/* roulang page: index */
:root{
  --bg-0:#05070F;--bg-1:#0A0F1E;--bg-2:#111930;--bg-3:#16203C;
  --c-primary:#6E5BFF;--c-primary-d:#4A38D6;--c-primary-l:#9A8CFF;
  --c-accent:#FFC46B;--c-cyan:#43E8D8;
  --t-1:#EEF1FA;--t-2:#A8B2CC;--t-3:#6C7896;--t-4:#4A5470;
  --line:rgba(140,160,220,.14);--line-strong:rgba(110,91,255,.42);
  --r-sm:12px;--r-md:18px;--r-lg:26px;--r-pill:999px;
  --sh-1:0 2px 8px rgba(3,6,16,.5);--sh-2:0 14px 36px rgba(3,6,16,.6);
  --sh-glow:0 10px 30px rgba(110,91,255,.38);
  --gap:24px;--sec-y:clamp(56px,7vw,96px);
  --ease:180ms cubic-bezier(.22,.8,.24,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--t-2);
  font-family:var(--font);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    radial-gradient(1px 1px at 24px 36px,rgba(255,255,255,.42),transparent 60%),
    radial-gradient(1.5px 1.5px at 130px 180px,rgba(154,140,255,.5),transparent 60%),
    radial-gradient(1px 1px at 300px 90px,rgba(67,232,216,.28),transparent 60%),
    linear-gradient(rgba(140,160,220,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,160,220,.05) 1px,transparent 1px);
  background-size:180px 180px,320px 320px,260px 260px,60px 60px,60px 60px;
  opacity:.9;
}
main,header,footer{position:relative;z-index:1}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease)}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(110,91,255,.6);outline-offset:2px;border-radius:6px}
body .container,body .container-fluid{max-width:1240px;padding-left:24px;padding-right:24px;margin-left:auto;margin-right:auto}
.section{padding:var(--sec-y) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,2.6vw,34px);font-weight:600;color:var(--t-1);line-height:1.28;margin:0 0 10px;letter-spacing:0}
.sec-title::after{content:"";display:block;width:76px;height:2px;margin-top:14px;background:linear-gradient(90deg,var(--c-primary),rgba(110,91,255,0))}
.sec-desc{font-size:14px;color:var(--t-3);margin:0;max-width:620px}
.link-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--t-2);white-space:nowrap}
.link-more svg{transition:transform var(--ease)}
.link-more:hover{color:var(--c-accent)}
.link-more:hover svg{transform:translateX(3px)}

/* 按钮 */
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all var(--ease);white-space:nowrap}
.btn-primary-x{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));color:#fff;box-shadow:var(--sh-glow)}
.btn-primary-x:hover{filter:brightness(1.08);box-shadow:0 14px 40px rgba(110,91,255,.52);transform:translateY(-2px);color:#fff}
.btn-primary-x:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost-x{background:transparent;border-color:var(--line-strong);color:var(--t-1)}
.btn-ghost-x:hover{background:rgba(110,91,255,.12);border-color:var(--c-primary-l);color:var(--t-1);transform:translateY(-2px)}
.btn-sm-x{height:40px;padding:0 20px;font-size:14px;border-radius:var(--r-pill)}
.btn-block-x{width:100%}
.btn-tiny-x{height:34px;padding:0 16px;font-size:13px;border-radius:var(--r-pill);background:rgba(110,91,255,.16);border:1px solid var(--line-strong);color:var(--t-1)}
.btn-tiny-x:hover{background:rgba(110,91,255,.3);color:#fff}

/* 徽章 */
.badge-x{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:var(--r-pill);font-size:12px;font-weight:500;letter-spacing:.02em;color:var(--t-2);background:rgba(255,255,255,.06);border:1px solid var(--line);backdrop-filter:blur(8px)}
.badge-purple{background:rgba(110,91,255,.16);border-color:var(--line-strong);color:var(--c-primary-l)}
.badge-cyan{border-color:rgba(67,232,216,.4);color:var(--c-cyan);background:rgba(67,232,216,.08)}
.badge-gold{border-color:rgba(255,196,107,.4);color:var(--c-accent);background:rgba(255,196,107,.1)}

/* 公告条 */
.announce{height:36px;display:flex;align-items:center;border-bottom:1px solid rgba(67,232,216,.28);background:rgba(10,15,30,.9);font-size:12px;color:var(--t-3)}
.announce-inner{display:flex;align-items:center;gap:10px;position:relative;width:100%}
.announce-dot{width:6px;height:6px;border-radius:50%;background:var(--c-cyan);box-shadow:0 0 8px var(--c-cyan);flex:none}
.announce-close{margin-left:auto;background:transparent;border:0;color:var(--t-3);cursor:pointer;padding:4px;display:flex;align-items:center;transition:color var(--ease)}
.announce-close:hover{color:var(--c-cyan)}
.announce.is-hidden{display:none}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(5,7,15,.72);border-bottom:1px solid var(--line);transition:background var(--ease),box-shadow var(--ease),backdrop-filter var(--ease)}
.site-header.is-scrolled{background:rgba(5,7,15,.9);backdrop-filter:blur(14px) saturate(135%);box-shadow:0 8px 28px rgba(3,6,16,.6)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height var(--ease)}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(150deg,rgba(110,91,255,.32),rgba(67,232,216,.14));border:1px solid var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.16)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:.04em;color:var(--t-1)}
.brand-text em{font-size:11px;font-style:normal;color:var(--t-3);letter-spacing:.14em}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;flex-wrap:nowrap}
.nav-link{position:relative;font-size:14px;font-weight:500;color:var(--t-2);padding:8px 12px;border-radius:10px;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:0;height:2px;border-radius:2px;background:var(--c-primary);transition:width var(--ease)}
.nav-link:hover{color:var(--t-1)}
.nav-link:hover::after{width:20px}
.nav-link.is-active{color:var(--t-1)}
.nav-link.is-active::after{width:20px}
.nav-tools{display:flex;align-items:center;gap:12px;flex:none}
.search-box{display:flex;align-items:center;gap:8px;height:38px;width:200px;padding:0 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.05);border:1px solid var(--line);transition:all var(--ease)}
.search-box:focus-within{width:260px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(110,91,255,.18)}
.search-box svg{flex:none;color:var(--t-3)}
.search-box input{width:100%;background:transparent;border:0;outline:none;color:var(--t-1);font-size:13px}
.search-box input::placeholder{color:var(--t-3)}
.login-link{font-size:14px;color:var(--t-2);white-space:nowrap}
.login-link:hover{color:var(--c-accent)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t-1);align-items:center;justify-content:center;cursor:pointer}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,16,.66);backdrop-filter:blur(3px);opacity:0;pointer-events:none;transition:opacity var(--ease);z-index:70}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.mobile-drawer{position:fixed;top:0;right:0;height:100%;width:86vw;max-width:360px;background:var(--bg-1);border-left:1px solid var(--line);border-radius:20px 0 0 20px;transform:translateX(102%);transition:transform 220ms cubic-bezier(.22,.8,.24,1);z-index:80;display:flex;flex-direction:column;gap:18px;padding:22px 20px 26px;overflow-y:auto}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-size:15px;font-weight:600;color:var(--t-1)}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--t-1);display:grid;place-items:center;cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:4px}
.drawer-nav a{font-size:16px;color:var(--t-2);padding:11px 12px;border-radius:var(--r-sm);border:1px solid transparent}
.drawer-nav a:hover{background:rgba(110,91,255,.12);color:var(--t-1);border-color:var(--line-strong)}
.drawer-nav a.is-active{color:var(--t-1);background:rgba(110,91,255,.16);border-color:var(--line-strong)}
.drawer-search{display:flex;align-items:center;gap:8px;height:44px;padding:0 14px;border-radius:var(--r-sm);background:var(--bg-2);border:1px solid var(--line)}
.drawer-search input{flex:1;background:transparent;border:0;outline:none;color:var(--t-1);font-size:14px}

/* Hero */
.hero{position:relative;overflow:hidden;padding:clamp(44px,6vw,86px) 0 clamp(50px,6vw,92px);background-image:linear-gradient(180deg,rgba(5,7,15,.82),rgba(5,7,15,.96)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.hero::after{content:"";position:absolute;top:-18%;left:-12%;width:78%;height:150%;background:linear-gradient(105deg,rgba(110,91,255,.22),rgba(67,232,216,.10) 45%,transparent 70%);transform:rotate(15deg);pointer-events:none;animation:beltMove 22s ease-in-out infinite alternate}
@keyframes beltMove{from{transform:rotate(15deg) translateY(-12px)}to{transform:rotate(15deg) translateY(18px)}}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(28px,4vw,56px);align-items:center;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.06em;color:var(--c-cyan);background:rgba(67,232,216,.08);border:1px solid rgba(67,232,216,.34)}
.hero-title{font-size:clamp(30px,4.2vw,52px);font-weight:600;line-height:1.18;color:var(--t-1);margin:20px 0 16px}
.hero-title span{color:var(--c-primary-l)}
.hero-sub{font-size:16px;color:var(--t-2);max-width:520px;margin:0 0 30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:40px;border-top:1px solid var(--line);padding-top:24px}
.stat{padding:0 18px;border-left:1px solid var(--line)}
.stat:first-child{padding-left:0;border-left:0}
.stat b{display:block;font-size:24px;font-weight:600;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.2}
.stat span{font-size:12px;color:var(--t-3)}
.hero-card{position:relative;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--sh-2);overflow:hidden;background-image:linear-gradient(180deg,rgba(5,7,15,.55),rgba(5,7,15,.9)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.hero-card-top{display:flex;align-items:center;justify-content:space-between;padding:18px 20px 0}
.hero-card-media{margin:16px 20px;border-radius:var(--r-md);overflow:hidden;height:280px;position:relative}
.hero-card-media img{width:100%;height:100%;object-fit:cover}
.hero-card-media::after{content:"";position:absolute;inset:auto 0 0 0;height:60%;background:linear-gradient(180deg,transparent,rgba(5,7,15,.85))}
.hero-card-body{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding:0 20px 20px}
.hero-card-body h3{margin:0 0 6px;font-size:17px;font-weight:600;color:var(--t-1)}
.hero-card-body p{margin:0;font-size:13px;color:var(--t-3)}
.hero-price{font-size:20px;font-weight:600;color:var(--c-accent);font-variant-numeric:tabular-nums;display:block;text-align:right;line-height:1.2}
.hero-price em{display:block;font-style:normal;font-size:12px;color:var(--t-3);margin-top:8px}

/* 混合网格 */
.mix-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gap);align-items:start}
.mix-card{position:relative;display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));border:1px solid var(--line);backdrop-filter:blur(14px) saturate(135%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.mix-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(110,91,255,.9),transparent);opacity:0;transition:opacity var(--ease);z-index:2}
.mix-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 18px 44px rgba(3,6,16,.72)}
.mix-card:hover::before{opacity:1}
.card-media{position:relative;height:150px;overflow:hidden;background:var(--bg-2)}
.mix-card.big .card-media{height:268px}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.22,.8,.24,1)}
.mix-card:hover .card-media img{transform:scale(1.02)}
.card-media .badge-x{position:absolute;left:12px;top:12px;z-index:2}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-size:17px;font-weight:600;color:var(--t-1);line-height:1.4;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:13px;color:var(--t-3);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:10px;display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line)}
.price{font-size:17px;font-weight:600;color:var(--c-accent);font-variant-numeric:tabular-nums}
.price small{font-size:12px;color:var(--t-3);font-weight:400;margin-left:4px}

/* 保障条 */
.guard-band{display:grid;grid-template-columns:repeat(4,1fr);border-radius:var(--r-md);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));backdrop-filter:blur(14px) saturate(135%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);overflow:hidden}
.guard-item{display:flex;align-items:center;gap:14px;padding:24px 22px;border-left:1px solid var(--line)}
.guard-item:first-child{border-left:0}
.guard-ico{width:32px;height:32px;flex:none;color:var(--c-cyan)}
.guard-item b{display:block;font-size:15px;font-weight:600;color:var(--t-1);line-height:1.5}
.guard-item span{font-size:12px;color:var(--t-3)}

/* 评价轮播 */
.reviews-wrap{position:relative}
.reviews-track{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 4px 22px;scrollbar-width:none}
.reviews-track::-webkit-scrollbar{display:none}
.review-card{flex:0 0 calc((100% - 40px)/3);scroll-snap-align:start;padding:22px;border-radius:var(--r-md);background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));border:1px solid var(--line);backdrop-filter:blur(14px) saturate(135%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);display:flex;flex-direction:column;gap:14px;transition:transform var(--ease),border-color var(--ease)}
.review-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.stars{display:flex;gap:4px;color:var(--c-accent)}
.review-text{font-size:14px;line-height:1.75;color:var(--t-2);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.review-user{display:flex;align-items:center;gap:10px;margin-top:auto}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;font-size:14px;font-weight:600;color:var(--t-1);background:rgba(110,91,255,.2);border:1px solid var(--line-strong);flex:none}
.review-user b{display:block;font-size:14px;font-weight:600;color:var(--t-1);line-height:1.4}
.review-user span{font-size:12px;color:var(--t-3)}
.rev-nav{display:flex;align-items:center;gap:12px;justify-content:space-between;margin-top:6px}
.rev-bar{height:2px;flex:1;background:rgba(140,160,220,.16);border-radius:2px;overflow:hidden}
.rev-bar i{display:block;height:100%;width:34%;background:var(--c-primary);border-radius:2px;transition:transform var(--ease)}
.rev-btns{display:flex;gap:10px}
.rev-btn{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--t-1);cursor:pointer;transition:all var(--ease);backdrop-filter:blur(10px)}
.rev-btn:hover{background:rgba(110,91,255,.2);border-color:var(--line-strong);color:#fff;transform:translateY(-2px)}

/* 最新信息 CMS */
.cms-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:var(--gap);align-items:stretch}
.cms-grid-single{grid-template-columns:1fr}
.cms-lead{display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));backdrop-filter:blur(14px) saturate(135%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);transition:transform var(--ease),border-color var(--ease)}
.cms-lead:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.cms-lead-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.cms-lead-media img{width:100%;height:100%;object-fit:cover;transition:transform 400ms cubic-bezier(.22,.8,.24,1)}
.cms-lead:hover .cms-lead-media img{transform:scale(1.02)}
.cms-lead-body{padding:22px;display:flex;flex-direction:column;gap:12px}
.cms-lead-body h3{font-size:22px;font-weight:600;color:var(--t-1);line-height:1.4;margin:0}
.cms-lead-body p{font-size:14px;color:var(--t-3);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12px;color:var(--t-3);border-top:1px solid var(--line);padding-top:12px;margin-top:auto}
.cms-read{color:var(--c-primary-l);font-weight:500}
.cms-list{display:flex;flex-direction:column;gap:16px}
.cms-item{display:flex;gap:14px;padding:14px;border-radius:var(--r-md);border:1px solid var(--line);background:rgba(17,25,48,.5);transition:transform var(--ease),border-color var(--ease),background var(--ease);flex:1}
.cms-item:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(22,32,60,.72)}
.cms-item-media{width:96px;height:72px;flex:none;border-radius:var(--r-sm);overflow:hidden;background:var(--bg-2)}
.cms-item-media img{width:100%;height:100%;object-fit:cover}
.cms-item-body{display:flex;flex-direction:column;gap:6px;min-width:0}
.cms-item-body h3{font-size:16px;font-weight:600;color:var(--t-1);line-height:1.4;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cms-item-time{font-size:12px;color:var(--t-3);margin-top:auto}
.cms-empty{border:1px dashed rgba(67,232,216,.3);border-radius:var(--r-md);padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:18px}
.cms-empty p{margin:0;font-size:14px;color:var(--t-3)}

/* 三步流程 */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.step-card{position:relative;padding:28px 24px;border-radius:var(--r-md);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.015));transition:transform var(--ease),border-color var(--ease)}
.step-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.step-num{font-size:34px;font-weight:600;color:transparent;-webkit-text-stroke:1px rgba(154,140,255,.55);line-height:1;font-variant-numeric:tabular-nums;margin-bottom:16px}
.step-card h3{font-size:18px;font-weight:600;color:var(--t-1);margin:0 0 10px}
.step-card p{font-size:14px;color:var(--t-3);margin:0}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.4fr;gap:clamp(24px,4vw,56px);align-items:start}
.faq-intro h2{margin-bottom:16px}
.faq-intro p{font-size:14px;color:var(--t-3);margin:0 0 24px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border-radius:var(--r-sm);border:1px solid var(--line);background:rgba(17,25,48,.55);overflow:hidden;transition:border-color var(--ease),background var(--ease)}
.faq-item.is-open{border-color:var(--line-strong);background:rgba(22,32,60,.8)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;background:transparent;border:0;color:var(--t-1);font-size:16px;font-weight:600;text-align:left;cursor:pointer;position:relative}
.faq-q::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,rgba(67,232,216,.7),transparent);opacity:0;transition:opacity var(--ease)}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-ico{width:24px;height:24px;flex:none;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--t-1);transition:transform 200ms cubic-bezier(.22,.8,.24,1),background var(--ease)}
.faq-item.is-open .faq-ico{transform:rotate(45deg);background:rgba(110,91,255,.28);border-color:var(--line-strong)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 240ms cubic-bezier(.22,.8,.24,1)}
.faq-a p{margin:0;padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--t-2)}

/* CTA */
.cta-block{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background-image:linear-gradient(100deg,rgba(10,15,30,.94),rgba(17,25,48,.82)),url('/assets/images/backpic/back-3.webp');background-size:cover;background-position:center;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);padding:clamp(30px,4vw,56px)}
.cta-grid{display:grid;grid-template-columns:1.4fr .8fr;gap:clamp(24px,4vw,48px);align-items:center;position:relative;z-index:2}
.cta-block h2{font-size:clamp(24px,2.6vw,34px);font-weight:600;color:var(--t-1);margin:0 0 14px;line-height:1.3}
.cta-block p{font-size:15px;color:var(--t-2);margin:0 0 22px;max-width:560px}
.cta-checks{display:flex;flex-direction:column;gap:10px}
.cta-checks li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--t-2);list-style:none}
.cta-checks ul{margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.cta-checks svg{color:var(--c-cyan);flex:none}
.cta-actions{display:flex;flex-direction:column;gap:12px}
.cta-watermark{position:absolute;right:-40px;top:-40px;width:280px;height:280px;color:rgba(110,91,255,.18);pointer-events:none}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding-top:clamp(44px,5vw,72px)}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:32px;padding-bottom:44px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{font-size:13px;color:var(--t-3);margin:0 0 18px;max-width:260px}
.foot-social{display:flex;gap:10px}
.foot-social a{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--t-2);transition:all var(--ease)}
.foot-social a:hover{color:var(--c-accent);border-color:rgba(255,196,107,.45);transform:translateY(-2px)}
.foot-col h3{font-size:14px;font-weight:600;color:var(--t-1);margin:0 0 16px}
.foot-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:13px;color:var(--t-3);display:inline-block}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-bottom{border-top:1px solid var(--line);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;color:var(--t-3);flex-wrap:wrap}
.foot-bottom a{color:var(--t-3)}
.foot-bottom a:hover{color:var(--c-accent)}

/* 响应式 */
@media (max-width:1199.98px){
  .nav-menu .nav-link{padding:8px 8px;font-size:13px}
  .search-box{width:170px}
  .search-box:focus-within{width:200px}
  .mix-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .mix-card.big .card-media{height:220px}
}
@media (max-width:991.98px){
  body .container{padding-left:20px;padding-right:20px}
  .nav-menu,.search-box,.login-link{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-stats{margin-top:30px}
  .guard-band{grid-template-columns:repeat(2,1fr)}
  .guard-item:nth-child(3){border-left:0}
  .guard-item:nth-child(1),.guard-item:nth-child(2){border-bottom:1px solid var(--line)}
  .mix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .review-card{flex:0 0 calc((100% - 20px)/2)}
  .cms-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr}
  .cta-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-brand{grid-column:1/-1}
  .section{padding:clamp(48px,6vw,72px) 0}
}
@media (max-width:767.98px){
  .hero{padding:36px 0 48px}
  .hero-title{font-size:clamp(28px,7vw,36px)}
  .hero-card-media{height:220px;margin:14px}
  .hero-actions .btn-x{flex:1 1 auto}
  .stat{padding:0 12px}
  .stat b{font-size:18px}
  .mix-grid{grid-template-columns:1fr}
  .mix-card.big .card-media,.card-media{height:200px}
  .guard-item{padding:18px 16px;gap:10px}
  .review-card{flex:0 0 86%}
  .cms-lead-body h3{font-size:19px}
  .cms-item-media{width:84px;height:64px}
  .foot-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
}
@media (max-width:420px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn-x{width:100%}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .stat b{font-size:16px}
  .card-body{padding:14px 16px 16px}
  .cms-lead-body{padding:18px}
  .btn-x{width:100%}
  .nav-tools .btn-sm-x{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg-0:#05070F; --bg-1:#0A0F1E; --bg-2:#111930; --bg-3:#16203C;
  --c-primary:#6E5BFF; --c-primary-d:#4A38D6; --c-primary-l:#9A8CFF;
  --c-accent:#FFC46B; --c-cyan:#43E8D8;
  --t-1:#EEF1FA; --t-2:#A8B2CC; --t-3:#6C7896; --t-4:#4A5470;
  --line:rgba(140,160,220,.14); --line-strong:rgba(110,91,255,.42);
  --r-sm:12px; --r-md:18px; --r-lg:26px; --r-pill:999px;
  --sh-1:0 2px 8px rgba(3,6,16,.5); --sh-2:0 14px 36px rgba(3,6,16,.6);
  --sh-glow:0 10px 30px rgba(110,91,255,.38);
  --gap:24px; --sec-y:clamp(56px,7vw,96px);
  --ease:180ms cubic-bezier(.22,.8,.24,1);
  --font:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.8;color:var(--t-2);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(rgba(255,255,255,.26) 1px, transparent 1.4px),
    radial-gradient(rgba(154,140,255,.20) 1px, transparent 1.4px);
  background-size:180px 180px, 320px 320px;
  background-position:0 0, 90px 140px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--c-accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--t-1);font-weight:600;line-height:1.28}
p{margin:0 0 1em}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(110,91,255,.55);border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-sm);border:1px solid transparent;
  font-size:15px;font-weight:600;color:var(--t-1);background:transparent;
  transition:background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease),filter var(--ease);
  white-space:nowrap;
}
.btn-primary-x{background:linear-gradient(135deg,#6E5BFF,#4A38D6);box-shadow:var(--sh-glow)}
.btn-primary-x:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 40px rgba(110,91,255,.52)}
.btn-primary-x:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost-x{border-color:var(--line-strong);color:var(--t-1)}
.btn-ghost-x:hover{background:rgba(110,91,255,.12);border-color:var(--c-primary-l);color:var(--t-1)}
.btn-sm-x{height:38px;padding:0 18px;font-size:13px;border-radius:var(--r-pill)}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--c-primary-l);transition:color var(--ease),gap var(--ease)}
.text-link svg{transition:transform var(--ease)}
.text-link:hover{color:var(--c-accent);gap:9px}
.text-link:hover svg{transform:translateX(2px)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(5,7,15,.72);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),box-shadow var(--ease),backdrop-filter var(--ease);
}
.site-header.is-scrolled{background:rgba(6,9,20,.9);backdrop-filter:blur(14px) saturate(135%);box-shadow:0 10px 30px rgba(3,6,16,.55)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height 220ms cubic-bezier(.22,.8,.24,1)}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:rgba(110,91,255,.14);border:1px solid var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.1)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:.04em;color:var(--t-1)}
.brand-text em{font-style:normal;font-size:11px;color:var(--t-3);letter-spacing:.08em}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1 1 auto;min-width:0}
.nav-link{position:relative;padding:8px 12px;font-size:14px;font-weight:500;color:var(--t-2);white-space:nowrap;border-radius:8px;transition:color var(--ease),background var(--ease)}
.nav-link::after{content:"";position:absolute;left:50%;bottom:2px;width:0;height:2px;border-radius:2px;background:var(--c-primary);transform:translateX(-50%);transition:width var(--ease)}
.nav-link:hover{color:var(--t-1);background:rgba(110,91,255,.10)}
.nav-link:hover::after{width:20px}
.nav-link.is-active{color:var(--t-1)}
.nav-link.is-active::after{width:20px}
.nav-tools{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.search-box{display:flex;align-items:center;gap:8px;height:38px;padding:0 12px;width:200px;border-radius:var(--r-pill);background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t-3);transition:width var(--ease),border-color var(--ease),box-shadow var(--ease)}
.search-box:focus-within{width:260px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(110,91,255,.2)}
.search-box input{flex:1;min-width:0;background:transparent;border:0;color:var(--t-1);font-size:13px;outline:none}
.search-box input::placeholder{color:var(--t-3)}
.login-link{font-size:13px;color:var(--t-2);white-space:nowrap}
.login-link:hover{color:var(--c-accent)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t-1);transition:background var(--ease),border-color var(--ease)}
.nav-toggle:hover{background:rgba(110,91,255,.14);border-color:var(--line-strong)}

/* ---------- 面包屑 ---------- */
.crumb{padding:22px 0 0;font-size:13px;color:var(--t-3)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li+li::before{content:"/";color:var(--t-4)}
.crumb a{color:var(--t-3)}
.crumb a:hover{color:var(--c-accent)}
.crumb .current{color:var(--t-1);font-weight:600}

/* ---------- 文章主体 ---------- */
.article-section{padding:26px 0 var(--sec-y)}
.article-grid{display:grid;grid-template-columns:minmax(0,8fr) minmax(0,4fr);gap:48px;align-items:start}
.article-head{max-width:760px}
.article-cat{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:500;letter-spacing:.02em;color:var(--c-primary-l);background:rgba(110,91,255,.12);border:1px solid rgba(110,91,255,.4)}
.article-title{font-size:clamp(26px,3.4vw,42px);line-height:1.22;margin:16px 0 14px;letter-spacing:-.01em}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--t-3)}
.article-meta .dot{color:var(--t-4)}
.article-rule{height:1px;margin:26px 0 30px;background:linear-gradient(90deg,rgba(110,91,255,.55),rgba(110,91,255,0) 70%)}
.article-cover{margin:0 0 34px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2)}
.article-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover}
.article-cover figcaption{margin-top:0;padding:10px 16px;font-size:12px;color:var(--t-3);background:rgba(10,15,30,.85);text-align:center}

.article-body{max-width:720px;font-size:17px;line-height:1.9;color:rgba(238,241,250,.9)}
.article-body>*:first-child{margin-top:0}
.article-body>p:first-of-type{font-size:18px;color:var(--t-1);border-left:3px solid var(--c-primary);padding-left:20px;margin-bottom:32px;padding-bottom:0}
.article-body h2{position:relative;margin:40px 0 16px;padding-left:14px;font-size:clamp(20px,2vw,26px);line-height:1.4;scroll-margin-top:96px}
.article-body h2::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:1.05em;border-radius:2px;background:var(--c-cyan)}
.article-body h3{margin:28px 0 12px;font-size:clamp(17px,1.6vw,20px);color:var(--t-1);scroll-margin-top:96px}
.article-body h4{margin:22px 0 10px;font-size:16px;color:var(--t-1)}
.article-body p{margin:0 0 1.4em}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.3em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:.4em 0;line-height:1.9}
.article-body li::marker{color:var(--c-primary-l)}
.article-body a{color:var(--c-primary-l);border-bottom:1px solid rgba(110,91,255,.4)}
.article-body a:hover{color:var(--c-accent);border-bottom-color:rgba(255,196,107,.6)}
.article-body blockquote{margin:26px 0;padding:18px 22px;border-left:3px solid var(--c-accent);border-radius:0 var(--r-sm) var(--r-sm) 0;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);font-size:15px;color:var(--t-3);line-height:1.85}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:14px;margin:22px 0 10px;border:1px solid var(--line)}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0}
.article-body figcaption{font-size:12px;color:var(--t-3);text-align:center;margin-top:10px}
.article-body hr{border:0;height:1px;margin:36px 0;background:var(--line)}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14px;display:block;overflow-x:auto;white-space:nowrap}
.article-body th,.article-body td{padding:12px 14px;border:1px solid var(--line);text-align:left}
.article-body th{background:rgba(110,91,255,.12);color:var(--t-1);font-weight:600}
.article-body strong{color:var(--t-1);font-weight:600}

.article-foot{max-width:720px;margin-top:44px;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.tag-row .label{font-size:13px;color:var(--t-3)}
.tag-x{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:500;color:var(--t-2);background:rgba(255,255,255,.04);border:1px solid var(--line);transition:color var(--ease),border-color var(--ease),background var(--ease)}
.tag-x:hover{color:var(--c-accent);border-color:rgba(255,196,107,.45);background:rgba(255,196,107,.08)}
.share-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:24px;flex-wrap:wrap}
.share-group{display:flex;align-items:center;gap:10px}
.share-group span{font-size:13px;color:var(--t-3)}
.share-btn{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t-2);transition:color var(--ease),border-color var(--ease),transform var(--ease),background var(--ease)}
.share-btn:hover{color:var(--c-accent);border-color:rgba(255,196,107,.45);background:rgba(255,196,107,.08);transform:translateY(-2px)}

/* ---------- 相关推荐 ---------- */
.related{margin-top:var(--sec-y)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}
.sec-head h2{font-size:clamp(22px,2.4vw,30px)}
.sec-head .sub{font-size:13px;color:var(--t-3);margin-top:6px}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.post-card{display:flex;flex-direction:column;border-radius:var(--r-md);overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);backdrop-filter:blur(14px) saturate(135%);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 20px 46px rgba(3,6,16,.7)}
.post-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.22,.8,.24,1)}
.post-card:hover .post-thumb img{transform:scale(1.03)}
.post-badge{position:absolute;left:12px;top:12px;height:24px;padding:0 10px;display:inline-flex;align-items:center;border-radius:var(--r-pill);font-size:11px;font-weight:500;color:var(--t-1);background:rgba(10,15,30,.72);border:1px solid var(--line-strong);backdrop-filter:blur(8px)}
.post-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-body h3{font-size:17px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body p{font-size:13px;color:var(--t-3);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;font-size:12px;color:var(--t-3)}
.post-foot .link{color:var(--c-primary-l);font-size:12px}
.post-card:hover .post-foot .link{color:var(--c-accent)}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{padding:20px;border-radius:var(--r-md);background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);backdrop-filter:blur(14px) saturate(135%)}
.side-card h3{font-size:14px;letter-spacing:.04em;color:var(--t-1);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:linear-gradient(180deg,#6E5BFF,#43E8D8)}
.toc-list li+li{margin-top:2px}
.toc-list a{display:block;padding:8px 0 8px 12px;font-size:13px;line-height:1.6;color:var(--t-2);border-left:2px solid rgba(140,160,220,.16);transition:color var(--ease),border-color var(--ease),background var(--ease)}
.toc-list a:hover{color:var(--t-1);background:rgba(110,91,255,.08)}
.toc-list a.is-current{color:var(--t-1);border-left-color:var(--c-primary);font-weight:600}
.toc-empty{font-size:13px;color:var(--t-3)}
.hot-list li{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.hot-list li:first-child{border-top:0;padding-top:0}
.hot-list .num{font-size:13px;font-weight:600;color:var(--c-primary-l);font-variant-numeric:tabular-nums;flex:0 0 20px;line-height:1.6}
.hot-list a{font-size:13px;line-height:1.6;color:var(--t-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color var(--ease)}
.hot-list a:hover{color:var(--c-accent)}
.side-buy{padding:0;overflow:hidden}
.side-buy img{width:100%;aspect-ratio:16/10;object-fit:cover}
.side-buy-body{padding:16px}
.side-buy-body h3{font-size:15px;margin-bottom:8px}
.side-buy-body h3::before{display:none}
.side-buy-body p{font-size:12px;color:var(--t-3);line-height:1.7;margin:0 0 14px}
.side-buy-body .btn-x{width:100%;height:40px;font-size:13px}

/* ---------- 空态 ---------- */
.empty-state{max-width:640px;margin:60px auto;padding:56px 32px;text-align:center;border-radius:var(--r-lg);border:1px dashed rgba(67,232,216,.32);background:rgba(10,15,30,.6)}
.empty-state h1{font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.empty-state p{font-size:15px;color:var(--t-3);margin-bottom:24px}
.star-line{display:grid;place-items:center;margin-bottom:18px;color:var(--c-primary-l)}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sec-y);background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:40px;padding-bottom:48px}
.foot-brand p{font-size:13px;color:var(--t-3);line-height:1.9;margin:16px 0 20px;max-width:300px}
.foot-social{display:flex;gap:10px}
.foot-social a{display:grid;place-items:center;width:36px;height:36px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t-2);transition:color var(--ease),border-color var(--ease),transform var(--ease)}
.foot-social a:hover{color:var(--c-accent);border-color:rgba(255,196,107,.45);transform:translateY(-2px)}
.foot-col h3{font-size:14px;font-weight:600;color:var(--t-1);margin-bottom:16px}
.foot-col li+li{margin-top:11px}
.foot-col a{font-size:13px;color:var(--t-3);display:inline-block;transition:color var(--ease),transform var(--ease)}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 0;border-top:1px solid var(--line);font-size:13px;color:var(--t-3)}
.foot-bottom .domain{font-variant-numeric:tabular-nums;color:var(--t-4)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-menu{margin-left:0;gap:0}
  .nav-link{padding:8px 9px;font-size:13px}
  .search-box{width:170px}
  .article-grid{gap:32px}
}
@media (max-width:991px){
  .nav-menu,.search-box,.login-link{display:none}
  .nav-toggle{display:flex}
  .nav-inner{height:64px}
  .article-grid{grid-template-columns:1fr}
  .article-side{position:static;order:2;flex-direction:column}
  .article-body{max-width:100%;font-size:16.5px}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .nav-inner{gap:12px}
  .brand-text strong{font-size:16px}
  .brand-text em{display:none}
  .article-title{font-size:clamp(24px,6vw,32px)}
  .article-body{font-size:16px;line-height:1.85}
  .article-body>p:first-of-type{font-size:17px;padding-left:16px}
  .article-cover{border-radius:var(--r-md)}
  .rel-grid{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start;gap:10px}
  .share-row{flex-direction:column;align-items:flex-start}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding-top:48px}
}
@media (max-width:420px){
  .btn-x{height:44px;padding:0 18px;font-size:14px}
  .article-meta{font-size:12px}
  .side-card{padding:16px}
  .foot-bottom{font-size:12px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
}
.mobile-drawer{position:fixed;inset:0 0 0 auto;width:86vw;max-width:340px;background:var(--bg-1);border-left:1px solid var(--line);border-radius:20px 0 0 20px;padding:24px 20px;z-index:1000;transform:translateX(102%);transition:transform 260ms cubic-bezier(.22,.8,.24,1);display:flex;flex-direction:column;gap:6px;box-shadow:-20px 0 50px rgba(3,6,16,.7)}
.mobile-drawer.is-open{transform:translateX(0)}
.mobile-drawer a{display:block;padding:14px 6px;font-size:16px;color:var(--t-2);border-bottom:1px solid var(--line)}
.mobile-drawer a:hover{color:var(--t-1)}
.mobile-drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.mobile-drawer .drawer-head strong{font-size:16px;color:var(--t-1)}
.drawer-close{width:36px;height:36px;display:grid;place-items:center;border-radius:10px;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--t-1)}
.drawer-cta{margin-top:auto;width:100%}
.drawer-mask{position:fixed;inset:0;background:rgba(3,6,16,.6);backdrop-filter:blur(2px);z-index:999;opacity:0;pointer-events:none;transition:opacity var(--ease)}
.drawer-mask.is-open{opacity:1;pointer-events:auto}

/* roulang page: category1 */
:root{
  --bg-0:#05070F;--bg-1:#0A0F1E;--bg-2:#111930;--bg-3:#16203C;
  --c-primary:#6E5BFF;--c-primary-d:#4A38D6;--c-primary-l:#9A8CFF;
  --c-accent:#FFC46B;--c-cyan:#43E8D8;
  --t-1:#EEF1FA;--t-2:#A8B2CC;--t-3:#6C7896;--t-4:#4A5470;
  --line:rgba(140,160,220,.14);--line-strong:rgba(110,91,255,.42);
  --r-sm:12px;--r-md:18px;--r-lg:26px;--r-pill:999px;
  --sh-1:0 2px 8px rgba(3,6,16,.5);
  --sh-2:0 14px 36px rgba(3,6,16,.6);
  --sh-glow:0 10px 30px rgba(110,91,255,.38);
  --sec-y:clamp(56px,6vw,96px);
  --ease:180ms cubic-bezier(.22,.8,.24,1);
  --glass:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--t-2);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    radial-gradient(1px 1px at 24px 36px,rgba(238,241,250,.35),transparent 100%),
    radial-gradient(1.5px 1.5px at 120px 200px,rgba(154,140,255,.4),transparent 100%),
    radial-gradient(1px 1px at 200px 90px,rgba(67,232,216,.28),transparent 100%),
    linear-gradient(rgba(140,160,220,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,160,220,.05) 1px,transparent 1px);
  background-size:320px 320px,320px 320px,320px 320px,60px 60px,60px 60px;
  background-color:var(--bg-0);
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
h1,h2,h3,h4{margin:0;color:var(--t-1);font-weight:600;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(110,91,255,.55);border-radius:6px}
.container{max-width:1240px;padding-left:24px;padding-right:24px;margin:0 auto}
.section{padding:var(--sec-y) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28}
.sec-head .sec-sub{font-size:14px;color:var(--t-3);margin-top:8px;max-width:640px}
.link-more{font-size:13px;color:var(--t-2);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more svg{transition:transform var(--ease)}
.link-more:hover{color:var(--c-accent)}
.link-more:hover svg{transform:translateX(3px)}

/* 顶部公告 */
.topbar{border-bottom:1px solid rgba(67,232,216,.28);background:rgba(10,15,30,.9);min-height:36px;display:flex;align-items:center;font-size:12px;color:var(--t-3)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar-close{background:none;border:0;color:var(--t-3);padding:4px;line-height:0;cursor:pointer;border-radius:6px}
.topbar-close:hover{color:var(--t-1)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1030;background:rgba(5,7,15,.72);border-bottom:1px solid var(--line);transition:background var(--ease),box-shadow var(--ease),backdrop-filter var(--ease)}
.site-header.is-scrolled{background:rgba(5,7,15,.92);backdrop-filter:blur(14px) saturate(140%);box-shadow:0 10px 30px rgba(3,6,16,.55)}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:72px;transition:min-height var(--ease)}
.site-header.is-scrolled .nav-inner{min-height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:var(--glass);border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:.04em;color:var(--t-1)}
.brand-text em{font-style:normal;font-size:11px;color:var(--t-3);letter-spacing:.08em}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1}
.nav-link{position:relative;font-size:14px;font-weight:500;color:var(--t-2);padding:8px 12px;border-radius:10px}
.nav-link::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:-6px;width:20px;height:2px;border-radius:2px;background:var(--c-primary);opacity:0;transition:opacity var(--ease)}
.nav-link:hover{color:var(--t-1);background:rgba(110,91,255,.1)}
.nav-link:hover::after,.nav-link.is-active::after{opacity:1}
.nav-link.is-active{color:var(--t-1)}
.nav-tools{display:flex;align-items:center;gap:12px;flex-shrink:0}
.search-box{display:flex;align-items:center;gap:8px;height:38px;width:200px;padding:0 12px;border-radius:var(--r-pill);background:var(--glass);border:1px solid var(--line);color:var(--t-3);transition:width var(--ease),border-color var(--ease),box-shadow var(--ease)}
.search-box:focus-within{width:260px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(110,91,255,.22)}
.search-box input{flex:1;min-width:0;background:none;border:0;color:var(--t-1);font-size:13px;outline:none}
.search-box input::placeholder{color:var(--t-3)}
.login-link{font-size:13px;color:var(--t-2);padding:6px 4px}
.login-link:hover{color:var(--c-accent)}
.nav-toggle{display:none;width:40px;height:40px;border-radius:12px;background:var(--glass);border:1px solid var(--line);color:var(--t-1);align-items:center;justify-content:center;cursor:pointer}

/* 按钮 */
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:all var(--ease);white-space:nowrap}
.btn-primary-x{background:linear-gradient(135deg,#6E5BFF,#4A38D6);color:#fff;box-shadow:var(--sh-glow)}
.btn-primary-x:hover{filter:brightness(1.08);box-shadow:0 14px 40px rgba(110,91,255,.52);transform:translateY(-2px);color:#fff}
.btn-primary-x:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost-x{background:transparent;border-color:var(--line-strong);color:var(--t-1)}
.btn-ghost-x:hover{background:rgba(110,91,255,.12);border-color:var(--c-primary-l);color:var(--t-1)}
.btn-sm-x{height:38px;padding:0 16px;font-size:13px;border-radius:10px}
.btn-sm-x.btn-primary-x{box-shadow:0 6px 18px rgba(110,91,255,.28)}

/* 徽章 */
.badge-x{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:500;letter-spacing:.02em;background:var(--glass);border:1px solid var(--line);color:var(--t-2)}
.badge-violet{background:rgba(110,91,255,.14);border-color:rgba(110,91,255,.45);color:var(--c-primary-l)}
.badge-cyan{background:rgba(67,232,216,.1);border-color:rgba(67,232,216,.4);color:var(--c-cyan)}
.badge-gold{background:rgba(255,196,107,.1);border-color:rgba(255,196,107,.38);color:var(--c-accent)}

/* 面包屑 */
.crumb{padding:22px 0 0;font-size:13px;color:var(--t-3)}
.crumb ol{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.crumb li{display:flex;align-items:center;gap:8px}
.crumb li:not(:last-child)::after{content:"/";color:var(--t-4)}
.crumb a:hover{color:var(--c-accent)}
.crumb .is-now{color:var(--t-1);font-weight:600}

/* 分类页头 */
.cat-hero{position:relative;margin-top:20px;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--bg-1);box-shadow:var(--sh-2)}
.cat-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.42}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(5,7,15,.94) 12%,rgba(5,7,15,.72) 52%,rgba(5,7,15,.42) 100%)}
.cat-hero-inner{position:relative;z-index:2;padding:clamp(28px,4vw,54px);display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:center}
.cat-hero h1{font-size:clamp(30px,4.2vw,50px);line-height:1.18;margin:14px 0 14px}
.cat-hero h1 span{color:var(--c-primary-l)}
.cat-hero .lead-line{font-size:15px;color:var(--t-2);max-width:560px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);margin-top:28px;max-width:520px}
.hero-stats .stat{padding:0 16px;border-left:1px solid var(--line)}
.hero-stats .stat:first-child{padding-left:0;border-left:0}
.hero-stats strong{display:block;font-size:24px;font-weight:600;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.3}
.hero-stats span{font-size:12px;color:var(--t-3)}
.hero-visual{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2);position:relative}
.hero-visual img{width:100%;height:230px;object-fit:cover}
.hero-visual .hero-tag{position:absolute;top:12px;left:12px}

/* 商品区布局 */
.shop-layout{display:grid;grid-template-columns:270px 1fr;gap:28px;align-items:start}
.filter-panel{position:sticky;top:96px;padding:22px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-1);backdrop-filter:blur(14px) saturate(135%)}
.filter-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.filter-head h2{font-size:15px;letter-spacing:.02em}
.reset-btn{background:none;border:0;padding:0;font-size:12px;color:var(--t-3);cursor:pointer;transition:color var(--ease)}
.reset-btn:hover{color:var(--c-accent)}
.filter-group{padding:18px 0;border-bottom:1px solid var(--line)}
.filter-group:last-of-type{border-bottom:0}
.filter-group h3{font-size:13px;color:var(--t-2);font-weight:600;margin-bottom:12px;letter-spacing:.04em}
.chip-row{display:flex;flex-wrap:wrap;gap:8px}
.chip{height:30px;padding:0 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.03);border:1px solid var(--line);color:var(--t-2);font-size:12.5px;cursor:pointer;transition:all var(--ease)}
.chip:hover{border-color:var(--line-strong);color:var(--t-1);background:rgba(110,91,255,.1)}
.chip.is-on{background:rgba(110,91,255,.16);border-color:rgba(110,91,255,.5);color:var(--c-primary-l)}
.range-input{-webkit-appearance:none;appearance:none;width:100%;height:4px;border-radius:99px;background:linear-gradient(90deg,var(--c-primary) 0%,var(--c-primary) 55%,rgba(140,160,220,.18) 55%,rgba(140,160,220,.18) 100%);outline:none;margin:14px 0 10px}
.range-input::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--c-primary);box-shadow:0 0 0 4px rgba(110,91,255,.18);cursor:pointer}
.range-input::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:3px solid var(--c-primary);cursor:pointer}
.range-labels{display:flex;justify-content:space-between;font-size:12px;color:var(--t-3);font-variant-numeric:tabular-nums}
.filter-tip{margin-top:16px;padding:12px;border-radius:var(--r-sm);background:rgba(67,232,216,.06);border:1px dashed rgba(67,232,216,.3);font-size:12px;color:var(--t-2);line-height:1.7}

/* 商品卡 */
.shop-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:20px}
.shop-bar .count{font-size:13px;color:var(--t-3)}
.shop-bar .count strong{color:var(--t-1);font-weight:600}
.sort-row{display:flex;gap:8px}
.sort-btn{height:32px;padding:0 14px;border-radius:var(--r-pill);background:transparent;border:1px solid var(--line);color:var(--t-2);font-size:12.5px;cursor:pointer;transition:all var(--ease)}
.sort-btn:hover{color:var(--t-1);border-color:var(--line-strong)}
.sort-btn.is-on{background:rgba(110,91,255,.16);border-color:rgba(110,91,255,.5);color:var(--c-primary-l)}
.p-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.p-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-1);transition:all var(--ease);display:flex;flex-direction:column}
.p-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),var(--sh-2)}
.p-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-2)}
.p-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 320ms cubic-bezier(.22,.8,.24,1)}
.p-card:hover .p-thumb img{transform:scale(1.03)}
.p-thumb .badge-x{position:absolute;top:10px;left:10px;background:rgba(5,7,15,.68);backdrop-filter:blur(6px)}
.p-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1}
.p-title{font-size:16px;font-weight:600;line-height:1.45;color:var(--t-1);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.p-desc{font-size:12.5px;color:var(--t-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.p-spec{display:flex;flex-direction:column;gap:6px;padding-top:10px;border-top:1px dashed var(--line)}
.p-spec li{display:flex;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--t-3)}
.p-spec li strong{color:var(--t-2);font-weight:500}
.p-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:8px}
.price{font-family:"Inter",system-ui,sans-serif;font-variant-numeric:tabular-nums;font-size:19px;font-weight:600;color:var(--c-accent);line-height:1.2}
.price small{font-size:11px;color:var(--t-3);font-weight:400;margin-left:2px}

/* 分页 */
.pager{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:36px;flex-wrap:wrap}
.page-x{min-width:36px;height:36px;padding:0 12px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-sm);background:var(--glass);border:1px solid var(--line);color:var(--t-2);font-size:13px;font-variant-numeric:tabular-nums;transition:all var(--ease)}
.page-x:hover{border-color:var(--line-strong);color:var(--t-1);background:rgba(110,91,255,.1)}
.page-x.is-on{background:linear-gradient(135deg,#6E5BFF,#4A38D6);border-color:transparent;color:#fff;box-shadow:var(--sh-glow)}
.page-x.is-off{opacity:.4;pointer-events:none}

/* 对比/评分条板块 */
.fit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.fit-card{padding:24px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-1);transition:all var(--ease)}
.fit-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.fit-card h3{font-size:17px;margin-bottom:8px}
.fit-card p{font-size:13px;color:var(--t-3);line-height:1.75;margin-bottom:16px}
.fit-row{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.fit-row .lab{font-size:12px;color:var(--t-3);width:56px;flex-shrink:0}
.fit-row .bar{flex:1;height:6px;border-radius:99px;background:rgba(140,160,220,.14);overflow:hidden}
.fit-row .bar i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#6E5BFF,#43E8D8)}
.fit-row .val{font-size:12px;color:var(--t-2);font-variant-numeric:tabular-nums;width:34px;text-align:right}

/* 反馈摘录 */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice-card{padding:22px;border-radius:var(--r-md);background:var(--glass);border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-1);display:flex;flex-direction:column;gap:14px}
.stars{display:flex;gap:3px;color:var(--c-accent)}
.voice-card blockquote{margin:0;font-size:14px;line-height:1.85;color:var(--t-2)}
.voice-user{display:flex;align-items:center;gap:10px;margin-top:auto}
.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--glass);border:1px solid var(--line);font-size:13px;color:var(--t-1);flex-shrink:0}
.voice-user .nm{font-size:13.5px;font-weight:600;color:var(--t-1);line-height:1.4}
.voice-user .role{font-size:12px;color:var(--t-3)}

/* FAQ */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{border-radius:var(--r-sm);background:var(--glass);border:1px solid var(--line);overflow:hidden;transition:border-color var(--ease)}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{list-style:none;cursor:pointer;padding:16px 18px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:15.5px;font-weight:600;color:var(--t-1)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .ic{width:22px;height:22px;flex-shrink:0;border-radius:50%;background:rgba(255,255,255,.06);border:1px solid var(--line);display:grid;place-items:center;transition:transform var(--ease),border-color var(--ease)}
.faq-item summary .ic::before,.faq-item summary .ic::after{content:"";position:absolute;background:var(--t-2);border-radius:2px}
.faq-item summary .ic{position:relative}
.faq-item summary .ic::before{width:10px;height:1.6px}
.faq-item summary .ic::after{width:1.6px;height:10px;transition:transform var(--ease)}
.faq-item[open] summary .ic{transform:rotate(45deg);border-color:var(--c-primary-l)}
.faq-item[open] summary .ic::before,.faq-item[open] summary .ic::after{background:var(--c-primary-l)}
.faq-body{padding:0 18px 16px;font-size:14.5px;line-height:1.85;color:var(--t-2)}
.faq-item[open] .faq-body{animation:none}
.faq-body .tline{height:1px;background:linear-gradient(90deg,rgba(67,232,216,.7),rgba(67,232,216,0));margin-bottom:14px}

/* CTA */
.cta-block{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:clamp(28px,4vw,56px);background:var(--glass);border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--sh-2);display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center}
.cta-block::before{content:"";position:absolute;top:-40px;right:-30px;width:220px;height:220px;opacity:.12;background:radial-gradient(circle,rgba(255,196,107,.9),transparent 65%)}
.cta-block h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;margin-bottom:12px}
.cta-block p{font-size:14px;color:var(--t-2);max-width:520px}
.cta-list{display:flex;flex-direction:column;gap:10px;margin-top:20px}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--t-2)}
.cta-list svg{flex-shrink:0;color:var(--c-cyan)}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}
.cta-actions .btn-x{width:100%}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:clamp(44px,5vw,72px) 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:32px}
.foot-brand p{font-size:13px;color:var(--t-3);margin:14px 0 18px;max-width:280px;line-height:1.8}
.foot-social{display:flex;gap:10px}
.foot-social a{width:36px;height:36px;border-radius:10px;display:grid;place-items:center;background:var(--glass);border:1px solid var(--line);color:var(--t-2)}
.foot-social a:hover{color:var(--c-accent);border-color:var(--line-strong);transform:translateY(-2px)}
.foot-col h3{font-size:14px;font-weight:600;margin-bottom:16px;color:var(--t-1)}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:13px;color:var(--t-3);display:inline-block;transition:all var(--ease)}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-bottom{margin-top:44px;border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--t-3)}
.foot-bottom .dot{color:var(--t-4)}

/* 响应式 */
@media (max-width:1199.98px){
  .container{max-width:1140px}
  .p-grid{grid-template-columns:repeat(2,1fr)}
  .fit-grid,.voice-grid{grid-template-columns:repeat(2,1fr)}
  .search-box{width:170px}
}
@media (max-width:991.98px){
  .container{max-width:960px}
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .site-header.nav-open .nav-menu{display:flex;position:absolute;top:100%;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;padding:16px 24px 22px;background:rgba(10,15,30,.98);border-bottom:1px solid var(--line);box-shadow:var(--sh-2)}
  .nav-link{padding:12px 10px;font-size:15px}
  .nav-link::after{display:none}
  .nav-link.is-active{background:rgba(110,91,255,.14);border-radius:10px}
  .search-box{width:150px}
  .login-link{display:none}
  .cat-hero-inner{grid-template-columns:1fr;gap:24px}
  .hero-visual img{height:190px}
  .shop-layout{grid-template-columns:1fr}
  .filter-panel{position:static}
  .cta-block{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:2fr 1fr 1fr}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px}
  .p-grid{grid-template-columns:1fr}
  .fit-grid,.voice-grid{grid-template-columns:1fr}
  .hero-stats .stat{padding:0 10px}
  .hero-stats strong{font-size:18px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .foot-brand{grid-column:1 / -1}
  .search-box{display:none}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .brand-text em{display:none}
  .hero-stats{grid-template-columns:repeat(3,1fr)}
  .cta-actions .btn-x{width:100%}
  .pager{gap:6px}
  .page-x{min-width:32px;height:32px;font-size:12px}
  .shop-bar{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
}

/* roulang page: category2 */
:root{
  --bg-0:#05070F;--bg-1:#0A0F1E;--bg-2:#111930;--bg-3:#16203C;
  --c-primary:#6E5BFF;--c-primary-d:#4A38D6;--c-primary-l:#9A8CFF;
  --c-accent:#FFC46B;--c-cyan:#43E8D8;
  --t-1:#EEF1FA;--t-2:#A8B2CC;--t-3:#6C7896;--t-4:#4A5470;
  --line:rgba(140,160,220,.14);--line-strong:rgba(110,91,255,.42);
  --r-sm:12px;--r-md:18px;--r-lg:26px;--r-pill:999px;
  --sh-1:0 2px 8px rgba(3,6,16,.5);
  --sh-2:0 14px 36px rgba(3,6,16,.6);
  --sh-glow:0 10px 30px rgba(110,91,255,.38);
  --sec-y:clamp(56px,7vw,96px);
  --ease:180ms cubic-bezier(.22,.8,.24,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  background:var(--bg-0);color:var(--t-2);font-size:17px;line-height:1.8;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    radial-gradient(circle at 14% 18%,rgba(238,241,250,.36) 0 1px,transparent 1.7px),
    radial-gradient(circle at 66% 58%,rgba(154,140,255,.4) 0 1px,transparent 1.7px),
    linear-gradient(rgba(140,160,220,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,160,220,.05) 1px,transparent 1px);
  background-size:180px 180px,320px 320px,60px 60px,60px 60px;
  opacity:.85;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),box-shadow var(--ease),transform var(--ease)}
button{font-family:inherit}
h1,h2,h3,h4,h5{margin:0;color:var(--t-1);font-weight:600;line-height:1.28;letter-spacing:0}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.18}
h2{font-size:clamp(24px,2.6vw,34px)}
h3{font-size:clamp(18px,1.6vw,22px);line-height:1.35}
h4{font-size:17px;line-height:1.4;font-weight:600}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary-l);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{position:relative;z-index:1;padding:var(--sec-y) 0}
@media (max-width:1399px){.container{max-width:1140px}}
@media (max-width:1199px){.container{max-width:960px}}
@media (max-width:991px){.container{max-width:100%;padding-left:20px;padding-right:20px}}
@media (max-width:767px){.container{padding-left:18px;padding-right:18px}}

/* ========== header ========== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(5,7,15,.74);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px) saturate(130%);
  transition:background var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{background:rgba(10,15,30,.94);box-shadow:0 10px 30px rgba(3,6,16,.55);border-bottom-color:rgba(110,91,255,.28)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px;padding-top:10px;padding-bottom:10px;transition:min-height var(--ease)}
.site-header.is-scrolled .nav-inner{min-height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;display:grid;place-items:center;border-radius:12px;
  background:linear-gradient(135deg,rgba(110,91,255,.34),rgba(67,232,216,.14));
  border:1px solid var(--line-strong);flex:0 0 auto;
}
.brand-text strong{display:block;font-size:17px;font-weight:700;color:var(--t-1);letter-spacing:.04em;line-height:1.2}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--t-3);letter-spacing:.08em;line-height:1.4}
.nav-menu{display:flex;align-items:center;gap:2px;flex:1 1 auto;justify-content:center}
.nav-link{position:relative;display:inline-flex;align-items:center;height:36px;padding:0 12px;font-size:14px;font-weight:500;color:var(--t-2);border-radius:9px;white-space:nowrap}
.nav-link:hover{color:var(--t-1);background:rgba(110,91,255,.12)}
.nav-link.is-active{color:var(--t-1);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:-4px;width:20px;height:2px;border-radius:2px;
  transform:translateX(-50%);background:var(--c-primary);box-shadow:0 0 10px rgba(110,91,255,.8);
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;width:200px;padding:0 14px;
  border-radius:var(--r-pill);background:rgba(255,255,255,.05);
  border:1px solid var(--line);color:var(--t-3);
  transition:width var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.search-box svg{flex:0 0 auto}
.search-box input{width:100%;border:0;background:transparent;color:var(--t-1);font-size:13px;outline:none;line-height:1.4}
.search-box input::placeholder{color:var(--t-3)}
.search-box:focus-within{width:250px;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(110,91,255,.2)}
.login-link{font-size:13px;color:var(--t-2);padding:6px 2px;white-space:nowrap}
.login-link:hover{color:var(--c-accent)}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:11px;border:1px solid var(--line);
  background:rgba(255,255,255,.05);color:var(--t-1);align-items:center;justify-content:center;cursor:pointer;
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:rgba(110,91,255,.16);border-color:var(--line-strong)}

/* ========== buttons & badges ========== */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),border-color var(--ease),color var(--ease),filter var(--ease);
}
.btn-primary-x{background:linear-gradient(135deg,#6E5BFF,#4A38D6);color:#fff;box-shadow:var(--sh-glow)}
.btn-primary-x:hover{filter:brightness(1.08);box-shadow:0 14px 40px rgba(110,91,255,.52);transform:translateY(-2px);color:#fff}
.btn-primary-x:active{transform:translateY(0);filter:brightness(.96)}
.btn-primary-x:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(110,91,255,.3),var(--sh-glow)}
.btn-ghost-x{background:transparent;border-color:var(--line-strong);color:var(--t-1)}
.btn-ghost-x:hover{background:rgba(110,91,255,.12);border-color:var(--c-primary-l);color:var(--t-1);transform:translateY(-2px)}
.btn-ghost-x:active{transform:translateY(0)}
.btn-sm-x{height:40px;padding:0 18px;font-size:13px;border-radius:var(--r-pill)}
.btn-lg-x{height:52px;padding:0 30px;font-size:16px}
.btn-xs-x{height:34px;padding:0 14px;font-size:12.5px;border-radius:var(--r-pill)}
.badge-x{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;letter-spacing:.02em;color:var(--t-2);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
}
.badge-cyan{color:#9CF4E9;background:rgba(67,232,216,.1);border-color:rgba(67,232,216,.45)}
.badge-violet{color:var(--c-primary-l);background:rgba(110,91,255,.13);border-color:rgba(110,91,255,.5)}
.badge-gold{color:#FFD79A;background:rgba(255,196,107,.1);border-color:rgba(255,196,107,.42)}
.link-x{
  display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--t-2);
  border-bottom:1px solid transparent;padding-bottom:1px;
}
.link-x svg{transition:transform var(--ease)}
.link-x:hover{color:var(--c-accent)}
.link-x:hover svg{transform:translateX(3px)}

/* ========== breadcrumb & hero ========== */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);flex-wrap:wrap}
.crumb a{color:var(--t-3)}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{color:rgba(140,160,220,.4)}
.crumb .cur{color:var(--t-1);font-weight:600}
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);z-index:1}
.page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.page-hero-mask{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(5,7,15,.5) 0%,rgba(5,7,15,.86) 66%,rgba(5,7,15,.97) 100%),
    linear-gradient(105deg,rgba(110,91,255,.3),rgba(67,232,216,.08) 46%,transparent 72%);
}
.page-hero-inner{
  position:relative;z-index:2;display:flex;flex-direction:column;gap:clamp(28px,6vw,72px);
  min-height:clamp(300px,27vw,420px);
  padding-top:clamp(24px,3vw,36px);padding-bottom:clamp(34px,5vw,58px);
}
.hero-copy{display:flex;flex-direction:column;gap:16px;max-width:760px}
.hero-copy h1{letter-spacing:.01em}
.hero-copy p{font-size:15.5px;line-height:1.8;color:var(--t-2);max-width:640px;margin:0}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px}

/* ========== section head ========== */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:clamp(24px,3vw,40px);flex-wrap:wrap}
.sec-head h2{position:relative;padding-bottom:14px}
.sec-head h2::after{
  content:"";position:absolute;left:0;bottom:0;width:56px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,#6E5BFF,rgba(110,91,255,0));
}
.sec-sub{font-size:14.5px;color:var(--t-3);margin-top:8px}

/* ========== intro ========== */
.intro-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(24px,4vw,56px);align-items:start}
.intro-copy h2{margin-bottom:16px}
.intro-copy p{font-size:16px;line-height:1.85;color:var(--t-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag-x{
  display:inline-flex;align-items:center;gap:7px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;color:var(--t-2);background:rgba(255,255,255,.05);border:1px solid var(--line);
  transition:border-color var(--ease),color var(--ease),background var(--ease);
}
.tag-x:hover{border-color:var(--line-strong);color:var(--t-1);background:rgba(110,91,255,.12)}
.tag-x i{width:6px;height:6px;border-radius:50%;background:var(--c-cyan);display:block}
.stat-strip{
  display:flex;flex-direction:column;gap:1px;overflow:hidden;
  border-radius:var(--r-md);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(135%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);
}
.stat{display:flex;align-items:baseline;gap:14px;padding:20px 22px;border-bottom:1px solid var(--line)}
.stat:last-child{border-bottom:0}
.stat strong{font-size:24px;font-weight:700;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.2;flex:0 0 auto}
.stat span{font-size:13px;color:var(--t-3);line-height:1.5}

/* ========== collage ========== */
.collage{display:grid;grid-template-columns:7fr 5fr;gap:clamp(20px,3vw,36px);align-items:start}
.collage-col{min-width:0}
.col-lift{margin-top:clamp(0px,3vw,48px)}
.group-head{display:flex;flex-direction:column;gap:10px;margin-bottom:18px}
.group-head h3{font-size:clamp(19px,1.8vw,23px)}
.group-head p{font-size:13.5px;color:var(--t-3);margin:0}
.strip-list{display:flex;flex-direction:column;gap:14px}
.strip-card{
  display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px;
  border-radius:var(--r-md);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.018));
  backdrop-filter:blur(12px) saturate(130%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),var(--sh-1);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.strip-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--sh-2)}
.strip-thumb{position:relative;overflow:hidden;border-radius:var(--r-sm);background:rgba(17,25,48,.9)}
.strip-thumb img{width:100%;height:112px;object-fit:cover}
.strip-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,7,15,0),rgba(5,7,15,.4))}
.strip-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.strip-body h4{font-size:16.5px;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.strip-body p{font-size:13px;line-height:1.7;color:var(--t-3);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.strip-meta{display:flex;flex-wrap:wrap;gap:6px}
.strip-meta span{
  font-size:11.5px;color:var(--t-2);padding:2px 9px;border-radius:var(--r-pill);
  background:rgba(67,232,216,.08);border:1px solid rgba(67,232,216,.24);
}
.strip-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:2px}
.strip-price{font-size:14px;font-weight:600;color:var(--c-accent);font-variant-numeric:tabular-nums}

/* ========== scene band ========== */
.glass-band{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-radius:var(--r-md);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.018));
  backdrop-filter:blur(14px) saturate(135%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);
  overflow:hidden;
}
.band-item{display:flex;flex-direction:column;gap:10px;padding:26px 22px;border-right:1px solid var(--line);transition:background var(--ease)}
.band-item:last-child{border-right:0}
.band-item:hover{background:rgba(110,91,255,.1)}
.band-item svg{color:var(--c-cyan)}
.band-item strong{font-size:15px;color:var(--t-1);font-weight:600}
.band-item span{font-size:12.5px;color:var(--t-3);line-height:1.6}

/* ========== rank bar ========== */
.rank-bar{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  border-radius:var(--r-md);border:1px solid var(--line);
  background:var(--line);overflow:hidden;
}
.rank-item{
  display:flex;align-items:center;gap:16px;padding:24px 22px;
  background:linear-gradient(180deg,rgba(10,15,30,.96),rgba(17,25,48,.92));
  transition:background var(--ease);
}
.rank-item:hover{background:linear-gradient(180deg,rgba(22,32,60,.96),rgba(17,25,48,.94))}
.rank-num{
  font-size:44px;font-weight:700;line-height:1;flex:0 0 auto;
  font-variant-numeric:tabular-nums;color:transparent;
  -webkit-text-stroke:1px rgba(255,196,107,.72);
}
.rank-body{display:flex;flex-direction:column;gap:4px;min-width:0;flex:1 1 auto}
.rank-body strong{font-size:15px;color:var(--t-1);font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-body em{font-style:normal;font-size:12px;color:var(--t-3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* ========== faq ========== */
.faq-wrap{display:grid;grid-template-columns:4fr 8fr;gap:clamp(24px,4vw,56px);align-items:start}
.faq-intro{position:sticky;top:104px}
.faq-intro h2{margin-bottom:14px}
.faq-intro p{font-size:14.5px;color:var(--t-3);line-height:1.8;margin-bottom:22px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  position:relative;border-radius:var(--r-sm);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.015));
  backdrop-filter:blur(12px) saturate(130%);
  overflow:hidden;transition:border-color var(--ease),background var(--ease);
}
.faq-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;opacity:0;
  background:linear-gradient(90deg,rgba(67,232,216,.9),rgba(67,232,216,0));
  transition:opacity var(--ease);
}
.faq-item.is-open{border-color:var(--line-strong);background:linear-gradient(180deg,rgba(110,91,255,.14),rgba(255,255,255,.02))}
.faq-item.is-open::before{opacity:1}
.faq-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;
  padding:16px 18px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--t-1);line-height:1.5;
}
.faq-icon{
  position:relative;width:22px;height:22px;flex:0 0 auto;border-radius:50%;
  background:rgba(255,255,255,.08);border:1px solid var(--line);
  transition:transform 200ms cubic-bezier(.22,.8,.24,1),background var(--ease),border-color var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--t-1);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:1.6px}
.faq-icon::after{width:1.6px;height:10px}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(110,91,255,.3);border-color:var(--line-strong)}
.faq-panel{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.22,.8,.24,1)}
.faq-item.is-open .faq-panel{max-height:340px}
.faq-panel p{padding:0 18px 18px;font-size:15px;line-height:1.85;color:var(--t-2);margin:0}

/* ========== cta ========== */
.cta-card{
  position:relative;display:grid;grid-template-columns:1.4fr .6fr;gap:clamp(24px,4vw,48px);
  align-items:center;padding:clamp(28px,4vw,56px);border-radius:var(--r-lg);
  border:1px solid var(--line);overflow:hidden;
  background:
    radial-gradient(600px 240px at 88% -20%,rgba(110,91,255,.3),transparent 70%),
    linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  backdrop-filter:blur(14px) saturate(135%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--sh-2);
}
.cta-card::after{
  content:"";position:absolute;right:-40px;top:-40px;width:220px;height:220px;opacity:.14;pointer-events:none;
  background:radial-gradient(circle,rgba(255,196,107,.9) 0 2px,transparent 3px);
  background-size:26px 26px;
}
.cta-card h2{margin-bottom:14px}
.cta-card p{font-size:15px;color:var(--t-2);max-width:560px;margin-bottom:20px}
.check-list{display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--t-2);line-height:1.6}
.check-list svg{flex:0 0 auto;margin-top:3px;color:var(--c-cyan)}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}

/* ========== footer ========== */
.site-footer{position:relative;z-index:1;background:var(--bg-1);border-top:1px solid var(--line);margin-top:var(--sec-y);padding-top:clamp(40px,5vw,64px)}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:clamp(20px,3vw,40px);padding-bottom:clamp(32px,4vw,48px)}
.foot-brand p{font-size:13.5px;color:var(--t-3);line-height:1.75;margin:16px 0 20px;max-width:280px}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:38px;height:38px;display:grid;place-items:center;border-radius:11px;
  border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--t-2);
  transition:color var(--ease),border-color var(--ease),background var(--ease),transform var(--ease);
}
.foot-social a:hover{color:var(--c-cyan);border-color:rgba(67,232,216,.5);background:rgba(67,232,216,.1);transform:translateY(-2px)}
.foot-col h3{font-size:14px;font-weight:600;color:var(--t-1);margin-bottom:16px;letter-spacing:.02em}
.foot-col li{margin-bottom:11px}
.foot-col a{display:inline-block;font-size:13px;color:var(--t-3);transition:color var(--ease),transform var(--ease)}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--t-3);
}
.foot-domain{font-variant-numeric:tabular-nums;color:var(--t-4)}

/* ========== responsive ========== */
@media (max-width:1199px){
  .nav-menu{gap:0}
  .nav-link{padding:0 9px;font-size:13.5px}
  .search-box{width:170px}
  .search-box:focus-within{width:210px}
}
@media (max-width:991px){
  .search-box,.login-link{display:none}
  .nav-toggle{display:inline-flex}
  .nav-menu{
    position:fixed;top:0;right:0;width:86vw;max-width:360px;height:100vh;
    flex-direction:column;align-items:stretch;justify-content:flex-start;gap:6px;
    padding:88px 22px 32px;background:rgba(10,15,30,.98);
    border-left:1px solid var(--line);border-radius:0 0 0 20px;
    box-shadow:-20px 0 60px rgba(3,6,16,.7);
    transform:translateX(104%);transition:transform 260ms cubic-bezier(.22,.8,.24,1);
    z-index:70;overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-link{height:46px;font-size:16px;padding:0 14px}
  .nav-link.is-active::after{left:14px;transform:none;bottom:8px}
  .intro-grid{grid-template-columns:1fr;gap:28px}
  .collage{grid-template-columns:1fr;gap:32px}
  .col-lift{margin-top:0}
  .glass-band{grid-template-columns:repeat(2,1fr)}
  .band-item:nth-child(2){border-right:0}
  .band-item:nth-child(1),.band-item:nth-child(2){border-bottom:1px solid var(--line)}
  .rank-bar{grid-template-columns:1fr}
  .faq-wrap{grid-template-columns:1fr}
  .faq-intro{position:static}
  .cta-card{grid-template-columns:1fr}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-brand{grid-column:1 / -1}
}
@media (max-width:767px){
  body{font-size:16px}
  .hero-copy p{font-size:14.5px}
  .page-hero-inner{min-height:clamp(260px,64vw,340px)}
  .strip-card{grid-template-columns:112px 1fr;gap:13px;padding:12px}
  .strip-thumb img{height:96px}
  .strip-body h4{font-size:15px}
  .strip-body p{-webkit-line-clamp:2}
  .cta-actions{flex-direction:column}
  .cta-actions .btn-x{width:100%}
  .stat{padding:16px 18px}
  .stat strong{font-size:21px}
  .rank-item{padding:20px 18px;gap:14px}
  .rank-num{font-size:38px}
}
@media (max-width:520px){
  .brand-text strong{font-size:15.5px}
  .brand-text em{font-size:10px}
  .brand-mark{width:32px;height:32px}
  .foot-grid{grid-template-columns:1fr}
  .glass-band{grid-template-columns:1fr}
  .band-item{border-right:0;border-bottom:1px solid var(--line)}
  .band-item:last-child{border-bottom:0}
  .strip-card{grid-template-columns:1fr}
  .strip-thumb img{height:150px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* roulang page: category3 */
:root{
  --bg-0:#05070F; --bg-1:#0A0F1E; --bg-2:#111930; --bg-3:#16203C;
  --c-primary:#6E5BFF; --c-primary-d:#4A38D6; --c-primary-l:#9A8CFF;
  --c-accent:#FFC46B; --c-cyan:#43E8D8;
  --t-1:#EEF1FA; --t-2:#A8B2CC; --t-3:#6C7896; --t-4:#4A5470;
  --line:rgba(140,160,220,.14); --line-strong:rgba(110,91,255,.42);
  --r-sm:12px; --r-md:18px; --r-lg:26px; --r-pill:999px;
  --sh-1:0 2px 8px rgba(3,6,16,.5); --sh-2:0 14px 36px rgba(3,6,16,.6);
  --sh-glow:0 10px 30px rgba(110,91,255,.38);
  --gap:24px; --sec-y:clamp(56px,7vw,96px);
  --ease:180ms cubic-bezier(.22,.8,.24,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--t-2);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1px 1px at 18% 22%,rgba(255,255,255,.5),transparent 60%),
    radial-gradient(1.5px 1.5px at 72% 68%,rgba(255,255,255,.35),transparent 60%),
    linear-gradient(rgba(140,160,220,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,160,220,.045) 1px,transparent 1px);
  background-size:180px 180px,320px 320px,60px 60px,60px 60px;
  background-attachment:fixed;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4{color:var(--t-1);margin:0;font-weight:600;line-height:1.3}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(110,91,255,.35);border-radius:6px}
.container{max-width:1240px;margin:0 auto;padding:0 24px;width:100%}
.section{padding:var(--sec-y) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.sec-head h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28}
.sec-head h2::after{content:"";display:block;width:64px;height:2px;margin-top:14px;background:linear-gradient(90deg,var(--c-primary),rgba(110,91,255,0))}
.sec-sub{font-size:14px;color:var(--t-3);max-width:560px;margin-top:10px}
.link-more{font-size:14px;color:var(--c-primary-l);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.link-more svg{transition:transform var(--ease)}
.link-more:hover svg{transform:translateX(3px)}
.link-more:hover{color:var(--c-accent)}

/* 公告条 */
.promo-bar{background:rgba(10,15,30,.9);border-bottom:1px solid rgba(67,232,216,.35);font-size:12px;color:var(--t-3);letter-spacing:.02em}
.promo-inner{display:flex;align-items:center;justify-content:center;gap:10px;height:36px;position:relative}
.promo-inner svg{flex:0 0 auto;color:var(--c-cyan)}
.promo-close{position:absolute;right:24px;top:50%;transform:translateY(-50%);color:var(--t-3);display:flex}
.promo-close:hover{color:var(--t-1)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:1000;background:rgba(5,7,15,.72);border-bottom:1px solid var(--line);transition:height var(--ease),background var(--ease),box-shadow var(--ease)}
.site-header.is-scrolled{background:rgba(5,7,15,.92);backdrop-filter:blur(14px) saturate(135%);box-shadow:var(--sh-2)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height var(--ease)}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:36px;height:36px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));border:1px solid var(--line);box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:.04em;color:var(--t-1)}
.brand-text em{font-size:12px;font-style:normal;color:var(--t-3);letter-spacing:.02em}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.nav-link{position:relative;font-size:14px;font-weight:500;color:var(--t-2);padding:10px 12px;border-radius:var(--r-sm);white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);width:0;height:2px;border-radius:2px;background:var(--c-primary);transition:width var(--ease)}
.nav-link:hover{color:var(--t-1);background:rgba(110,91,255,.1)}
.nav-link:hover::after{width:20px}
.nav-link.is-active{color:var(--t-1)}
.nav-link.is-active::after{width:20px}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.search-box{display:flex;align-items:center;gap:8px;height:38px;width:200px;padding:0 12px;border-radius:var(--r-pill);background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t-3);transition:all var(--ease)}
.search-box input{background:none;border:0;color:var(--t-1);font-size:13px;width:100%;outline:none}
.search-box input::placeholder{color:var(--t-3)}
.search-box:focus-within{border-color:var(--c-primary);width:260px;box-shadow:0 0 0 3px rgba(110,91,255,.22)}
.login-link{font-size:14px;color:var(--t-2);white-space:nowrap}
.login-link:hover{color:var(--t-1)}
.nav-toggle{display:none;width:38px;height:38px;border-radius:10px;align-items:center;justify-content:center;border:1px solid var(--line);color:var(--t-1)}

/* 按钮 */
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r-sm);font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;transition:all var(--ease)}
.btn-sm-x{height:40px;padding:0 18px;font-size:14px;border-radius:var(--r-pill)}
.btn-primary-x{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));color:#fff;box-shadow:var(--sh-glow)}
.btn-primary-x:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 40px rgba(110,91,255,.52)}
.btn-primary-x:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost-x{background:transparent;border-color:var(--line-strong);color:var(--t-1)}
.btn-ghost-x:hover{background:rgba(110,91,255,.12);border-color:var(--c-primary-l);color:var(--t-1);transform:translateY(-2px)}

/* 面包屑 */
.crumb-bar{padding:22px 0 0}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);flex-wrap:wrap}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{color:var(--t-4)}
.crumb .cur{color:var(--t-1);font-weight:600}

/* 页头 */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:clamp(48px,6vw,80px) 0 clamp(40px,5vw,64px)}
.page-hero::before{content:"";position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(5,7,15,.82),rgba(5,7,15,.94)),url("/assets/images/backpic/back-1.png");background-size:cover;background-position:center;z-index:0}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(110,91,255,.22),rgba(67,232,216,.10) 45%,transparent 70%);z-index:0;pointer-events:none}
.page-hero .container{position:relative;z-index:1}
.hero-top{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-pill);border:1px solid rgba(67,232,216,.42);background:rgba(67,232,216,.08);color:var(--c-cyan);font-size:12px;font-weight:500;letter-spacing:.02em;margin-bottom:18px}
.hero-top h1{font-size:clamp(28px,4vw,48px);line-height:1.18;max-width:820px}
.hero-lead{font-size:16px;color:var(--t-2);max-width:660px;margin-top:18px;line-height:1.85}
.chip-row{display:flex;gap:10px;flex-wrap:wrap}
.chip{height:34px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--t-2);font-size:13px;font-weight:500;display:inline-flex;align-items:center;transition:all var(--ease)}
.chip:hover{border-color:var(--c-primary-l);color:var(--t-1);background:rgba(110,91,255,.14)}
.chip.is-active{background:rgba(110,91,255,.2);border-color:var(--c-primary);color:#EDE9FF}

/* 时间轴 */
.timeline{position:relative;margin-top:8px}
.timeline::before{content:"";position:absolute;left:15px;top:12px;bottom:12px;width:1px;background:linear-gradient(180deg,rgba(110,91,255,.85),rgba(110,91,255,.06))}
.tl-item{position:relative;padding-left:56px;margin-bottom:26px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{position:absolute;left:8px;top:26px;width:15px;height:15px;border-radius:50%;background:var(--bg-2);border:1px solid var(--line-strong);box-shadow:0 0 0 4px rgba(110,91,255,.12),0 0 16px rgba(110,91,255,.5)}
.tl-card{display:flex;gap:22px;align-items:stretch;padding:18px;border-radius:var(--r-md);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-1);transition:all var(--ease)}
.tl-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--sh-2)}
.tl-thumb{flex:0 0 240px;width:240px;height:150px;border-radius:var(--r-sm);overflow:hidden;position:relative;border:1px solid var(--line)}
.tl-thumb img{width:100%;height:100%;object-fit:cover}
.tl-thumb .stage{position:absolute;left:10px;top:10px;height:24px;padding:0 10px;border-radius:var(--r-pill);background:rgba(5,7,15,.72);border:1px solid rgba(67,232,216,.45);color:var(--c-cyan);font-size:12px;font-weight:500;display:inline-flex;align-items:center;backdrop-filter:blur(6px)}
.tl-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column}
.tl-body h3{font-size:clamp(18px,1.6vw,22px);margin-bottom:8px}
.tl-body p{font-size:14px;color:var(--t-2);line-height:1.8;margin-bottom:12px}
.tl-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--t-3);margin-top:auto}
.tl-meta .tagline{height:24px;padding:0 10px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--t-2);display:inline-flex;align-items:center}
.tl-more{align-self:center;padding-left:56px;margin-top:6px}

/* 组合推荐 */
.pack-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.pack-card{border-radius:var(--r-md);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.02));overflow:hidden;transition:all var(--ease);display:flex;flex-direction:column}
.pack-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-2)}
.pack-img{position:relative;aspect-ratio:16/10;overflow:hidden}
.pack-img img{width:100%;height:100%;object-fit:cover}
.pack-img .badge-x{position:absolute;left:12px;top:12px}
.badge-x{height:26px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;font-weight:500;display:inline-flex;align-items:center;letter-spacing:.02em;background:rgba(5,7,15,.68);border:1px solid var(--line);color:var(--t-2);backdrop-filter:blur(6px)}
.badge-hl{background:rgba(110,91,255,.2);border-color:var(--line-strong);color:#D9D3FF}
.pack-body{padding:18px;display:flex;flex-direction:column;flex:1 1 auto}
.pack-body h3{font-size:17px;line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pack-body p{font-size:13px;color:var(--t-3);line-height:1.75;margin-bottom:16px}
.pack-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.price{font-size:20px;font-weight:600;color:var(--c-accent);font-variant-numeric:tabular-nums}
.price small{font-size:12px;color:var(--t-3);font-weight:400;margin-left:4px}

/* 保障条 */
.assure{border:1px solid var(--line);border-radius:var(--r-md);background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.015));box-shadow:inset 0 1px 0 rgba(255,255,255,.07);display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden}
.assure-item{display:flex;gap:14px;align-items:flex-start;padding:26px 22px;border-right:1px solid var(--line)}
.assure-item:last-child{border-right:0}
.assure-item svg{flex:0 0 auto;color:var(--c-cyan);margin-top:2px}
.assure-item strong{display:block;font-size:15px;color:var(--t-1);font-weight:600;margin-bottom:4px}
.assure-item span{font-size:12px;color:var(--t-3);line-height:1.7}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{border-radius:var(--r-sm);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018));overflow:hidden;position:relative;transition:border-color var(--ease),background var(--ease)}
.faq-item::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,var(--c-cyan),rgba(67,232,216,0));opacity:0;transition:opacity var(--ease)}
.faq-item.is-open{border-color:var(--line-strong)}
.faq-item.is-open::before{opacity:1}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;text-align:left;font-size:16px;font-weight:600;color:var(--t-1)}
.faq-ico{flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.05);display:grid;place-items:center;color:var(--t-2);transition:transform 200ms ease,color var(--ease),border-color var(--ease)}
.faq-item.is-open .faq-ico{transform:rotate(45deg);color:var(--c-cyan);border-color:rgba(67,232,216,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease}
.faq-a p{padding:0 20px 18px;margin:0;font-size:15px;line-height:1.85;color:var(--t-2)}

/* CTA */
.cta-box{position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);background:linear-gradient(140deg,rgba(110,91,255,.18),rgba(17,25,48,.9) 55%,rgba(67,232,216,.08));box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--sh-2);padding:clamp(28px,4vw,56px);display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-box::after{content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;background:radial-gradient(circle,rgba(255,196,107,.16),transparent 66%);pointer-events:none}
.cta-text{max-width:620px;position:relative;z-index:1}
.cta-text h2{font-size:clamp(22px,2.4vw,32px);margin-bottom:12px}
.cta-text p{font-size:15px;color:var(--t-2);margin:0}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0;margin-top:var(--sec-y)}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:40px}
.foot-brand p{font-size:13px;color:var(--t-3);line-height:1.8;margin:18px 0 20px;max-width:280px}
.foot-social{display:flex;gap:10px}
.foot-social a{width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:rgba(255,255,255,.04);display:grid;place-items:center;color:var(--t-2)}
.foot-social a:hover{color:var(--c-accent);border-color:var(--line-strong);transform:translateY(-2px)}
.foot-col h3{font-size:14px;font-weight:600;color:var(--t-1);margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:13px;color:var(--t-3);display:inline-block;transition:all var(--ease)}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-bottom{margin-top:52px;border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--t-3)}
.foot-bottom .site-domain{color:var(--t-4)}

@media (max-width:1399px){.container{max-width:1140px}}
@media (max-width:1199px){
  .container{max-width:960px}
  .search-box{width:170px}
  .search-box:focus-within{width:200px}
  .nav-menu{gap:0}
  .nav-link{padding:10px 9px;font-size:13.5px}
  .pack-grid{grid-template-columns:repeat(2,1fr)}
  .assure{grid-template-columns:repeat(2,1fr)}
  .assure-item:nth-child(2){border-right:0}
  .assure-item:nth-child(1),.assure-item:nth-child(2){border-bottom:1px solid var(--line)}
}
@media (max-width:991px){
  .container{max-width:100%;padding:0 20px}
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .search-box{width:150px}
  .nav-menu.is-open{display:flex;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:4px;background:rgba(10,15,30,.98);border-bottom:1px solid var(--line);padding:16px 20px 22px;box-shadow:var(--sh-2);backdrop-filter:blur(14px)}
  .nav-menu.is-open .nav-link{padding:12px 10px;font-size:15px}
  .nav-menu.is-open .nav-link::after{bottom:6px;left:10px;transform:none}
  .tl-card{flex-direction:column}
  .tl-thumb{flex:0 0 auto;width:100%;height:200px}
  .foot-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  :root{--sec-y:56px}
  .search-box{display:none}
  .login-link{display:none}
  .promo-inner{font-size:11px;padding:0 34px;text-align:center}
  .promo-close{right:12px}
  .hero-top{flex-direction:column;align-items:flex-start}
  .pack-grid{grid-template-columns:1fr}
  .assure{grid-template-columns:1fr}
  .assure-item{border-right:0;border-bottom:1px solid var(--line)}
  .assure-item:last-child{border-bottom:0}
  .cta-box{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn-x{flex:1 1 auto}
  .timeline::before{left:9px}
  .tl-item{padding-left:38px}
  .tl-dot{left:2px}
  .tl-more{padding-left:38px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:420px){
  .container{padding:0 16px}
  .btn-x{width:100%;padding:0 18px}
  .brand-text strong{font-size:16px}
  .tl-thumb{height:170px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category4 */
:root{
  --bg-0:#05070F;--bg-1:#0A0F1E;--bg-2:#111930;--bg-3:#16203C;
  --c-primary:#6E5BFF;--c-primary-d:#4A38D6;--c-primary-l:#9A8CFF;
  --c-accent:#FFC46B;--c-cyan:#43E8D8;
  --t-1:#EEF1FA;--t-2:#A8B2CC;--t-3:#6C7896;--t-4:#4A5470;
  --line:rgba(140,160,220,.14);--line-strong:rgba(110,91,255,.42);
  --r-sm:12px;--r-md:18px;--r-lg:26px;--r-pill:999px;
  --sh-1:0 2px 8px rgba(3,6,16,.5);--sh-2:0 14px 36px rgba(3,6,16,.6);
  --sh-glow:0 10px 30px rgba(110,91,255,.38);
  --gap:24px;--sec-y:clamp(56px,7vw,96px);
  --bs-body-bg:#05070F;--bs-body-color:#A8B2CC;
  --bs-primary:#6E5BFF;--bs-link-color:#9A8CFF;--bs-border-radius:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;background:var(--bg-0);color:var(--t-2);
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.8;letter-spacing:.01em;
  background-image:
    radial-gradient(circle at 12% 8%,rgba(110,91,255,.16),transparent 44%),
    radial-gradient(circle at 88% 12%,rgba(67,232,216,.09),transparent 40%),
    radial-gradient(1px 1px at 40px 60px,rgba(238,241,250,.45) 50%,transparent 51%),
    radial-gradient(1.5px 1.5px at 180px 140px,rgba(238,241,250,.3) 50%,transparent 51%),
    linear-gradient(rgba(140,160,220,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,160,220,.045) 1px,transparent 1px);
  background-size:auto,auto,180px 180px,320px 320px,60px 60px,60px 60px;
  background-attachment:fixed;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary-l);text-decoration:none;transition:color 180ms cubic-bezier(.22,.8,.24,1)}
a:hover{color:var(--c-accent)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:3px solid rgba(110,91,255,.75);outline-offset:3px;border-radius:6px}
::selection{background:rgba(110,91,255,.42);color:#fff}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px}
@media(max-width:1399px){.container{max-width:1140px}}
@media(max-width:1199px){.container{max-width:960px}}
@media(max-width:991px){.container{max-width:100%;padding:0 20px}}
@media(max-width:575px){.container{padding:0 18px}}
.section{padding:var(--sec-y) 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-bottom:34px}
.section-title{font-size:clamp(24px,2.6vw,34px);font-weight:600;line-height:1.28;color:var(--t-1);position:relative;padding-bottom:14px}
.section-title::after{content:"";position:absolute;left:0;bottom:0;width:78px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--c-primary),rgba(110,91,255,0))}
.section-note{font-size:14px;color:var(--t-3);max-width:560px;margin-top:12px}
.text-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--t-2)}
.text-link svg{transition:transform 180ms cubic-bezier(.22,.8,.24,1)}
.text-link:hover{color:var(--c-accent)}
.text-link:hover svg{transform:translateX(3px)}

/* 公告条 */
.topbar{background:rgba(10,15,30,.9);border-bottom:1px solid rgba(67,232,216,.32);font-size:12px;color:var(--t-2)}
.topbar-in{display:flex;align-items:center;justify-content:center;gap:14px;height:36px;position:relative;padding:0 44px;text-align:center}
.topbar-in span{color:var(--c-cyan);font-weight:500}
.topbar-close{position:absolute;right:18px;top:50%;transform:translateY(-50%);width:22px;height:22px;display:grid;place-items:center;background:transparent;border:1px solid var(--line);border-radius:var(--r-pill);color:var(--t-3);transition:all 180ms}
.topbar-close:hover{color:var(--t-1);border-color:var(--line-strong)}
body.topbar-off .topbar{display:none}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(5,7,15,.74);border-bottom:1px solid var(--line);backdrop-filter:blur(14px) saturate(130%);transition:box-shadow 180ms,background 180ms}
.site-header.is-scrolled{background:rgba(5,7,15,.94);box-shadow:var(--sh-2)}
.nav-inner{display:flex;align-items:center;gap:22px;height:72px;transition:height 220ms cubic-bezier(.22,.8,.24,1)}
.site-header.is-scrolled .nav-inner{height:62px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--t-1);flex:0 0 auto}
.brand:hover{color:var(--t-1)}
.brand-mark{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:linear-gradient(135deg,rgba(110,91,255,.28),rgba(67,232,216,.12));border:1px solid var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.09)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:.04em}
.brand-text em{font-style:normal;font-size:11px;color:var(--t-3);letter-spacing:.06em;margin-top:2px}
.nav-menu{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;display:inline-block;padding:8px 12px;font-size:14px;font-weight:500;color:var(--t-2);border-radius:10px;transition:color 180ms,background 180ms}
.nav-link::after{content:"";position:absolute;left:50%;bottom:2px;width:20px;height:2px;border-radius:2px;background:var(--c-primary);transform:translateX(-50%) scaleX(0);transform-origin:center;transition:transform 180ms cubic-bezier(.22,.8,.24,1)}
.nav-link:hover{color:var(--t-1);background:rgba(110,91,255,.1)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1)}
.nav-link.is-active{color:var(--t-1)}
.nav-link.is-active::after{transform:translateX(-50%) scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{display:flex;align-items:center;gap:8px;height:38px;width:190px;padding:0 12px;background:rgba(17,25,48,.8);border:1px solid var(--line);border-radius:var(--r-pill);color:var(--t-3);transition:all 180ms cubic-bezier(.22,.8,.24,1)}
.search-box:focus-within{width:240px;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(110,91,255,.18)}
.search-box input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--t-1);font-size:13px}
.search-box input::placeholder{color:var(--t-3)}
.login-link{font-size:14px;color:var(--t-2);white-space:nowrap}
.login-link:hover{color:var(--t-1)}
.nav-toggle{display:none;width:40px;height:40px;place-items:center;background:rgba(17,25,48,.8);border:1px solid var(--line);border-radius:11px;color:var(--t-1)}

/* 按钮 */
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 26px;border-radius:var(--r-sm);font-size:15px;font-weight:600;border:1px solid transparent;line-height:1;white-space:nowrap;transition:all 180ms cubic-bezier(.22,.8,.24,1)}
.btn-primary-x{background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));color:#fff;box-shadow:var(--sh-glow)}
.btn-primary-x:hover{color:#fff;filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 14px 40px rgba(110,91,255,.52)}
.btn-primary-x:active{transform:translateY(0);filter:brightness(.96)}
.btn-ghost-x{background:transparent;border-color:var(--line-strong);color:var(--t-1)}
.btn-ghost-x:hover{background:rgba(110,91,255,.12);border-color:var(--c-primary-l);color:var(--t-1);transform:translateY(-2px)}
.btn-ghost-x:active{transform:translateY(0)}
.btn-sm-x{height:40px;padding:0 18px;font-size:14px}
.btn-block-x{width:100%}

/* 徽章 */
.badge-x{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;border-radius:var(--r-pill);background:rgba(255,255,255,.055);border:1px solid var(--line);font-size:12px;font-weight:500;color:var(--t-2);letter-spacing:.02em}
.badge-x.is-primary{background:rgba(110,91,255,.16);border-color:var(--line-strong);color:var(--c-primary-l)}
.badge-x.is-cyan{background:rgba(67,232,216,.1);border-color:rgba(67,232,216,.36);color:var(--c-cyan)}
.badge-x.is-gold{background:rgba(255,196,107,.12);border-color:rgba(255,196,107,.34);color:var(--c-accent)}

/* 玻璃卡 */
.card-x{position:relative;background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));border:1px solid var(--line);border-radius:var(--r-md);backdrop-filter:blur(14px) saturate(135%);box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);transition:transform 180ms cubic-bezier(.22,.8,.24,1),border-color 180ms,box-shadow 180ms}

/* 页头横幅 */
.page-hero{position:relative;overflow:hidden;padding:clamp(72px,10vw,124px) 0 clamp(38px,5vw,60px);background-image:linear-gradient(105deg,rgba(5,7,15,.94),rgba(5,7,15,.58) 58%,rgba(5,7,15,.9)),url(/assets/images/backpic/back-1.png);background-size:cover;background-position:center;border-bottom:1px solid var(--line)}
.page-hero::after{content:"";position:absolute;left:-10%;top:-30%;width:70%;height:180%;background:linear-gradient(105deg,rgba(110,91,255,.22),rgba(67,232,216,.10) 45%,transparent 70%);pointer-events:none}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--t-3)}
.crumb a:hover{color:var(--c-accent)}
.crumb i{font-style:normal;color:var(--t-4)}
.crumb strong{color:var(--t-1);font-weight:600}
.page-hero h1{font-size:clamp(28px,3.9vw,46px);font-weight:600;line-height:1.2;color:var(--t-1);max-width:840px;letter-spacing:0}
.hero-sub{margin-top:18px;font-size:16px;line-height:1.85;color:var(--t-2);max-width:660px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.hero-stat strong{display:block;font-size:24px;font-weight:600;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stat span{font-size:12px;color:var(--t-3);letter-spacing:.02em}

/* 锚点子导航 */
.anchor-bar{position:sticky;top:62px;z-index:50;background:rgba(10,15,30,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(14px) saturate(130%)}
.anchor-in{display:flex;align-items:center;gap:10px;padding:12px 0;overflow-x:auto;scrollbar-width:none}
.anchor-in::-webkit-scrollbar{display:none}
.anchor-in a{flex:0 0 auto;display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.04);font-size:13px;font-weight:500;color:var(--t-2);transition:all 180ms}
.anchor-in a:hover{color:var(--t-1);border-color:var(--line-strong);background:rgba(110,91,255,.14)}
.anchor-in a.is-on{background:rgba(110,91,255,.2);border-color:var(--line-strong);color:#fff}

/* 四列对照 */
.compare-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.compare-card{padding:24px 22px 26px;display:flex;flex-direction:column;gap:16px}
.compare-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--sh-2),0 0 0 1px rgba(110,91,255,.16)}
.compare-card.is-best{border-color:rgba(110,91,255,.62);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),var(--sh-2),0 0 0 1px rgba(110,91,255,.34)}
.best-flag{position:absolute;top:-12px;right:18px;height:24px;display:inline-flex;align-items:center;padding:0 12px;border-radius:var(--r-pill);background:linear-gradient(135deg,var(--c-primary),var(--c-primary-d));color:#fff;font-size:11px;font-weight:600;letter-spacing:.06em;box-shadow:var(--sh-glow)}
.compare-name{font-size:19px;font-weight:600;color:var(--t-1);line-height:1.35}
.compare-price{font-size:22px;font-weight:600;color:var(--c-accent);font-variant-numeric:tabular-nums;line-height:1.2}
.compare-price small{font-size:12px;color:var(--t-3);font-weight:400;margin-left:4px}
.compare-list{display:flex;flex-direction:column;gap:10px;margin-top:2px}
.compare-list li{display:flex;gap:9px;font-size:13.5px;color:var(--t-2);line-height:1.65}
.compare-list li svg{flex:0 0 auto;margin-top:5px;color:var(--c-cyan)}
.compare-fit{font-size:12.5px;color:var(--t-3);padding-top:14px;border-top:1px solid var(--line);margin-top:auto}
.compare-card .btn-x{margin-top:4px}

/* 规格明细条带 */
.spec-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
.spec-block{padding:8px 0;overflow:hidden}
.spec-block-head{display:flex;align-items:center;gap:10px;padding:18px 24px 14px;font-size:16px;font-weight:600;color:var(--t-1)}
.spec-block-head svg{color:var(--c-cyan)}
.spec-row{display:grid;grid-template-columns:40% 60%;gap:16px;padding:14px 24px;border-top:1px solid rgba(140,160,220,.1);font-size:14px}
.spec-row:nth-child(odd){background:rgba(255,255,255,.028)}
.spec-row dt{color:var(--t-3);font-weight:400}
.spec-row dd{margin:0;color:var(--t-1)}
.spec-row dd em{font-style:normal;color:var(--c-accent);font-variant-numeric:tabular-nums}
.spec-tip{margin-top:22px;font-size:13px;color:var(--t-3)}

/* 场景搭配卡 */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.scene-card{overflow:hidden;display:flex;flex-direction:column}
.scene-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.scene-media img{width:100%;height:100%;object-fit:cover;transition:transform 300ms cubic-bezier(.22,.8,.24,1)}
.scene-card:hover .scene-media img{transform:scale(1.02)}
.scene-media .badge-x{position:absolute;left:14px;top:14px;background:rgba(5,7,15,.72)}
.scene-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.scene-body h3{font-size:17px;font-weight:600;color:var(--t-1);line-height:1.4}
.scene-body p{font-size:13.5px;color:var(--t-3);line-height:1.75}
.scene-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.scene-foot span{font-size:12.5px;color:var(--t-3)}
.scene-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}

/* 评价 */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.review-card{padding:22px;display:flex;flex-direction:column;gap:14px}
.stars{display:flex;gap:3px;color:var(--c-accent)}
.review-card p{font-size:14px;line-height:1.8;color:var(--t-2)}
.review-user{display:flex;align-items:center;gap:11px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line)}
.avatar{width:36px;height:36px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;background:rgba(110,91,255,.18);border:1px solid var(--line-strong);font-size:14px;font-weight:600;color:var(--c-primary-l)}
.review-user strong{display:block;font-size:14px;color:var(--t-1);font-weight:600}
.review-user em{font-style:normal;font-size:12px;color:var(--t-3)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-sm);background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.018));backdrop-filter:blur(12px);overflow:hidden;position:relative;transition:border-color 180ms}
.faq-item::before{content:"";position:absolute;left:0;top:0;right:0;height:1px;background:linear-gradient(90deg,rgba(67,232,216,.7),rgba(110,91,255,.4),transparent);opacity:0;transition:opacity 180ms}
.faq-item.is-open{border-color:var(--line-strong)}
.faq-item.is-open::before{opacity:1}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;padding:17px 20px;background:transparent;border:0;text-align:left;font-size:16px;font-weight:600;color:var(--t-1);line-height:1.5}
.faq-icon{flex:0 0 auto;width:26px;height:26px;display:grid;place-items:center;border-radius:50%;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--t-2);transition:transform 200ms,color 200ms,border-color 200ms}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--c-cyan);border-color:rgba(67,232,216,.5)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms cubic-bezier(.22,.8,.24,1)}
.faq-a p{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--t-2)}

/* CTA */
.cta-panel{position:relative;overflow:hidden;padding:clamp(30px,4.2vw,56px);display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;border-radius:var(--r-lg)}
.cta-panel::after{content:"";position:absolute;right:-40px;top:-60px;width:260px;height:260px;background:radial-gradient(circle,rgba(110,91,255,.28),transparent 68%);pointer-events:none}
.cta-panel h2{font-size:clamp(22px,2.4vw,30px);font-weight:600;color:var(--t-1);line-height:1.3}
.cta-panel p{margin-top:12px;font-size:14.5px;color:var(--t-2);max-width:520px}
.cta-checks{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.cta-checks li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--t-2)}
.cta-checks svg{color:var(--c-cyan);flex:0 0 auto}
.cta-actions{display:flex;flex-direction:column;gap:12px;position:relative;z-index:2}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding-top:64px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:36px;padding-bottom:48px}
.foot-brand p{font-size:13px;color:var(--t-3);line-height:1.8;margin-top:16px;max-width:300px}
.foot-social{display:flex;gap:10px;margin-top:20px}
.foot-social a{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--t-2);transition:all 180ms}
.foot-social a:hover{color:var(--c-accent);border-color:rgba(255,196,107,.4);transform:translateY(-2px)}
.foot-col h3{font-size:14px;font-weight:600;color:var(--t-1);margin-bottom:16px;letter-spacing:.02em}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col a{font-size:13px;color:var(--t-3);display:inline-block;transition:color 180ms,transform 180ms}
.foot-col a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-col li span{font-size:13px;color:var(--t-3)}
.foot-bottom{border-top:1px solid var(--line);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--t-3)}
.foot-bottom a{color:var(--t-3)}
.foot-bottom a:hover{color:var(--c-accent)}

/* 移动抽屉 */
.nav-mask{position:fixed;inset:0;background:rgba(3,6,16,.6);opacity:0;pointer-events:none;transition:opacity 180ms;z-index:88}
.nav-mask.is-on{opacity:1;pointer-events:auto}

@media(max-width:1199px){
  .nav-menu{gap:0}
  .nav-link{padding:8px 9px;font-size:13.5px}
  .search-box{width:160px}
  .compare-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid,.review-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:991px){
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:86vw;max-width:360px;z-index:90;
    flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:22px 20px 40px;
    background:var(--bg-1);border-left:1px solid var(--line);border-radius:20px 0 0 20px;
    transform:translateX(104%);transition:transform 260ms cubic-bezier(.22,.8,.24,1);
    overflow-y:auto;box-shadow:var(--sh-2);
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu .nav-link{font-size:16px;padding:13px 14px;border-radius:12px}
  .nav-link::after{left:14px;transform:translateX(0) scaleX(0)}
  .nav-link:hover::after,.nav-link.is-active::after{transform:translateX(0) scaleX(1)}
  .nav-toggle{display:grid}
  .search-box{display:none}
  .login-link{display:none}
  .nav-inner{height:64px}
  .anchor-bar{top:64px}
  .spec-wrap{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
  .cta-actions .btn-x{flex:1 1 180px}
}
@media(max-width:767px){
  body{font-size:15.5px}
  .section{padding:56px 0}
  .page-hero{padding:56px 0 36px}
  .hero-stats{gap:20px}
  .hero-stat strong{font-size:18px}
  .compare-grid,.scene-grid,.review-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .foot-brand{grid-column:1 / -1}
  .brand-text strong{font-size:16px}
  .brand-text em{display:none}
  .spec-row{grid-template-columns:1fr;gap:4px;padding:13px 18px}
  .spec-block-head{padding:16px 18px 12px}
  .section-head{margin-bottom:26px}
}
@media(max-width:479px){
  .btn-x{width:100%}
  .cta-actions{flex-direction:column}
  .foot-grid{grid-template-columns:1fr}
  .topbar-in{font-size:11px;padding:0 36px}
  .hero-tags .badge-x{font-size:11px}
}
@media(prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
  html{scroll-behavior:auto}
}

/* roulang page: category5 */
:root{
  --bg-0:#05070F;--bg-1:#0A0F1E;--bg-2:#111930;--bg-3:#16203C;
  --c-primary:#6E5BFF;--c-primary-d:#4A38D6;--c-primary-l:#9A8CFF;
  --c-accent:#FFC46B;--c-cyan:#43E8D8;
  --t-1:#EEF1FA;--t-2:#A8B2CC;--t-3:#6C7896;--t-4:#4A5470;
  --line:rgba(140,160,220,.14);--line-strong:rgba(110,91,255,.42);
  --r-sm:12px;--r-md:18px;--r-lg:26px;--r-pill:999px;
  --sh-1:0 2px 8px rgba(3,6,16,.5);
  --sh-2:0 14px 36px rgba(3,6,16,.6);
  --sh-glow:0 10px 30px rgba(110,91,255,.38);
  --gap:24px;
  --sec-y:clamp(56px,7vw,96px);
  --ease:cubic-bezier(.22,.8,.24,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;
  font-family:system-ui,-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;line-height:1.8;color:var(--t-2);
  background-color:var(--bg-0);
  background-image:
    radial-gradient(1px 1px at 18% 22%,rgba(238,241,250,.42),transparent 100%),
    radial-gradient(1px 1px at 72% 14%,rgba(154,140,255,.4),transparent 100%),
    radial-gradient(1.5px 1.5px at 44% 68%,rgba(238,241,250,.3),transparent 100%),
    radial-gradient(1px 1px at 86% 54%,rgba(67,232,216,.32),transparent 100%),
    linear-gradient(rgba(140,160,220,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(140,160,220,.05) 1px,transparent 1px);
  background-size:180px 180px,320px 320px,260px 260px,400px 400px,60px 60px,60px 60px;
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color 180ms var(--ease),background 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease),transform 180ms var(--ease)}
a:hover{color:var(--c-accent)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--t-1);font-weight:600}
h1{font-size:clamp(30px,4.2vw,52px);line-height:1.18;letter-spacing:0}
h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28}
h3{font-size:clamp(18px,1.6vw,22px);line-height:1.35}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(110,91,255,.55)}
.container{width:100%;max-width:1240px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:var(--sec-y) 0;position:relative}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 公告条 ---------- */
.notice-bar{
  height:36px;background:rgba(10,15,30,.92);
  border-bottom:1px solid rgba(67,232,216,.32);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--t-2);letter-spacing:.02em;position:relative;z-index:1060;
}
.notice-bar .container{display:flex;align-items:center;justify-content:center;gap:10px}
.notice-bar.is-hidden{display:none}
.notice-close{
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  background:transparent;border:0;color:var(--t-3);cursor:pointer;
  width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:6px;transition:color 180ms var(--ease),background 180ms var(--ease);
}
.notice-close:hover{color:var(--c-cyan);background:rgba(67,232,216,.1)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1050;
  background:rgba(5,7,15,.72);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(140%);
  transition:height 220ms var(--ease),background 220ms var(--ease),box-shadow 220ms var(--ease);
}
.site-header.is-scrolled{background:rgba(5,7,15,.94);box-shadow:0 12px 32px rgba(3,6,16,.55)}
.nav-inner{display:flex;align-items:center;gap:28px;height:72px;transition:height 220ms var(--ease)}
.site-header.is-scrolled .nav-inner{height:60px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,rgba(110,91,255,.3),rgba(67,232,216,.1));
  border:1px solid var(--line-strong);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.14);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;color:var(--t-1);letter-spacing:.04em}
.brand-text em{font-size:12px;font-style:normal;color:var(--t-3);letter-spacing:.04em}
.nav-menu{display:flex;align-items:center;gap:22px;flex:1;min-width:0}
.nav-link{
  position:relative;font-size:14px;font-weight:500;color:var(--t-2);
  padding:6px 0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:50%;bottom:0;width:20px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:translateX(-50%) scaleX(0);opacity:0;
  transition:transform 180ms var(--ease),opacity 180ms var(--ease);
}
.nav-link:hover{color:var(--t-1)}
.nav-link:hover::after{transform:translateX(-50%) scaleX(1);opacity:.6}
.nav-link.is-active{color:var(--t-1)}
.nav-link.is-active::after{transform:translateX(-50%) scaleX(1);opacity:1}
.nav-tools{display:flex;align-items:center;gap:14px;flex-shrink:0}
.search-box{
  display:flex;align-items:center;gap:8px;height:38px;width:200px;padding:0 12px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--r-pill);
  color:var(--t-3);transition:width 180ms var(--ease),border-color 180ms var(--ease),box-shadow 180ms var(--ease);
}
.search-box:focus-within{width:260px;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(110,91,255,.22)}
.search-box input{
  flex:1;min-width:0;background:transparent;border:0;outline:none;color:var(--t-1);
  font-size:13px;font-family:inherit;
}
.search-box input::placeholder{color:var(--t-3)}
.login-link{font-size:14px;color:var(--t-2);white-space:nowrap}
.login-link:hover{color:var(--c-accent)}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;transition:all 180ms var(--ease);white-space:nowrap;
}
.btn-primary-x{background:linear-gradient(135deg,#6E5BFF,#4A38D6);color:#fff;box-shadow:var(--sh-glow)}
.btn-primary-x:hover{color:#fff;filter:brightness(1.08);box-shadow:0 14px 40px rgba(110,91,255,.52);transform:translateY(-2px)}
.btn-primary-x:active{transform:translateY(0);filter:brightness(.96)}
.btn-primary-x:focus-visible{box-shadow:var(--sh-glow),0 0 0 3px rgba(110,91,255,.3)}
.btn-ghost-x{background:transparent;border-color:var(--line-strong);color:var(--t-1)}
.btn-ghost-x:hover{background:rgba(110,91,255,.12);border-color:var(--c-primary-l);color:#fff;transform:translateY(-2px)}
.btn-ghost-x:active{transform:translateY(0)}
.btn-sm-x{height:40px;padding:0 18px;font-size:13px;border-radius:var(--r-pill)}
.nav-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:10px;
  color:var(--t-1);cursor:pointer;transition:all 180ms var(--ease);
}
.nav-toggle:hover{border-color:var(--line-strong);background:rgba(110,91,255,.14)}
.nav-mask{
  position:fixed;inset:0;background:rgba(3,6,16,.62);backdrop-filter:blur(2px);
  opacity:0;pointer-events:none;transition:opacity 220ms var(--ease);z-index:1035;
}
.nav-mask.is-open{opacity:1;pointer-events:auto}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:22px 0 0}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);flex-wrap:wrap}
.crumb a{color:var(--t-3)}
.crumb a:hover{color:var(--c-accent)}
.crumb .sep{color:var(--t-4)}
.crumb .cur{color:var(--t-1);font-weight:600}

/* ---------- 页头 ---------- */
.page-hero{padding:26px 0 12px;position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;inset:-40% -10% auto -10%;height:520px;
  background:linear-gradient(105deg,rgba(110,91,255,.22),rgba(67,232,216,.1) 45%,transparent 70%);
  transform:rotate(14deg);pointer-events:none;opacity:.75;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:500;letter-spacing:.02em;
  background:rgba(110,91,255,.14);border:1px solid rgba(110,91,255,.42);color:var(--c-primary-l);
  margin-bottom:18px;
}
.hero-badge .dot{width:6px;height:6px;border-radius:50%;background:var(--c-cyan);box-shadow:0 0 8px var(--c-cyan)}
.page-hero h1{max-width:760px;margin-bottom:16px}
.page-hero h1 span{color:var(--c-primary-l)}
.hero-lead{max-width:720px;font-size:17px;color:var(--t-2);line-height:1.85;margin-bottom:0}

/* ---------- 双栏布局 ---------- */
.guide-wrap{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start;padding-bottom:8px}
.guide-aside{position:sticky;top:96px}
.toc-card{
  background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
  border:1px solid var(--line);border-radius:var(--r-md);
  backdrop-filter:blur(14px) saturate(135%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);
  padding:22px 18px;
}
.toc-title{font-size:13px;font-weight:600;color:var(--t-3);letter-spacing:.08em;margin-bottom:14px}
.toc li{margin-bottom:4px}
.toc a{
  display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;
  font-size:14px;color:var(--t-2);border-left:2px solid transparent;
  transition:all 180ms var(--ease);
}
.toc a .idx{font-size:12px;color:var(--t-4);font-variant-numeric:tabular-nums}
.toc a:hover{background:rgba(110,91,255,.1);color:var(--t-1)}
.toc a.is-active{color:var(--t-1);background:rgba(110,91,255,.14);border-left-color:var(--c-primary)}
.toc a.is-active .idx{color:var(--c-primary-l)}
.toc-tip{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:12px;color:var(--t-3);line-height:1.7;
}
.guide-main{min-width:0}

/* ---------- 图片卡 ---------- */
.figure-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--bg-1);box-shadow:var(--sh-2);position:relative;margin-bottom:40px;
}
.figure-card img{width:100%;height:300px;object-fit:cover;filter:saturate(.9)}
.figure-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,15,.05),rgba(5,7,15,.82));pointer-events:none;
}
.figure-cap{
  position:absolute;left:0;right:0;bottom:0;padding:22px 24px;z-index:2;
}
.figure-cap h3{font-size:18px;margin-bottom:6px}
.figure-cap p{font-size:13px;color:var(--t-2);margin:0;max-width:520px;line-height:1.7}

/* ---------- 小节 ---------- */
.guide-sec{padding-bottom:52px;scroll-margin-top:96px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.sec-head h2{position:relative;padding-bottom:12px;font-size:clamp(22px,2.2vw,28px)}
.sec-head h2::after{
  content:"";position:absolute;left:0;bottom:0;width:64px;height:3px;border-radius:3px;
  background:linear-gradient(90deg,#6E5BFF,rgba(110,91,255,0));
}
.sec-head .sec-note{font-size:13px;color:var(--t-3);margin:0 0 12px}

/* ---------- 步骤卡 ---------- */
.step-list{display:grid;gap:16px}
.step-card{
  display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start;
  padding:22px;border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.018));
  border:1px solid var(--line);
  backdrop-filter:blur(14px) saturate(135%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),var(--sh-1);
  transition:all 180ms var(--ease);
}
.step-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),var(--sh-2)}
.step-num{
  font-size:34px;font-weight:600;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px rgba(154,140,255,.6);
  font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:17px;margin-bottom:8px}
.step-body p{font-size:14px;color:var(--t-2);line-height:1.8;margin:0}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:500;color:var(--t-2);
  background:rgba(255,255,255,.06);border:1px solid var(--line);
}
.tag.is-cyan{color:var(--c-cyan);border-color:rgba(67,232,216,.34);background:rgba(67,232,216,.08)}

/* ---------- 评分条 ---------- */
.score-card{
  padding:26px;border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.02));
  border:1px solid var(--line);backdrop-filter:blur(14px) saturate(135%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08),var(--sh-2);
}
.score-item{margin-bottom:22px}
.score-item:last-child{margin-bottom:0}
.score-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:9px}
.score-name{font-size:15px;font-weight:600;color:var(--t-1)}
.score-val{font-size:15px;font-weight:600;color:var(--c-accent);font-variant-numeric:tabular-nums}
.score-track{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.07);overflow:hidden}
.score-fill{height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#4A38D6,#6E5BFF 62%,#9A8CFF)}
.score-sub{font-size:12px;color:var(--t-3);margin-top:8px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  border-radius:var(--r-sm);border:1px solid var(--line);position:relative;overflow:hidden;
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.018));
  backdrop-filter:blur(14px) saturate(135%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07);
  transition:border-color 180ms var(--ease),background 180ms var(--ease);
}
.faq-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(67,232,216,0),rgba(67,232,216,.85),rgba(67,232,216,0));
  opacity:0;transition:opacity 200ms var(--ease);
}
.faq-item.is-open{border-color:var(--line-strong);background:linear-gradient(180deg,rgba(110,91,255,.12),rgba(255,255,255,.02))}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--t-1);line-height:1.5;font-family:inherit;
  transition:color 180ms var(--ease);
}
.faq-q:hover{color:var(--c-primary-l)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid var(--line);color:var(--t-2);
  transition:transform 200ms var(--ease),background 200ms var(--ease),color 200ms var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(110,91,255,.28);border-color:var(--line-strong);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms var(--ease)}
.faq-a-inner{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--t-2)}
.faq-a-inner p{margin:0 0 10px}
.faq-a-inner p:last-child{margin-bottom:0}

/* ---------- 反馈 ---------- */
.feedback-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.fb-card{
  padding:22px;border-radius:var(--r-md);border:1px solid var(--line);
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.018));
  backdrop-filter:blur(14px) saturate(135%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.07),var(--sh-1);
  transition:all 180ms var(--ease);display:flex;flex-direction:column;
}
.fb-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:inset 0 1px 0 rgba(255,255,255,.14),var(--sh-2)}
.fb-stars{display:flex;gap:3px;margin-bottom:12px}
.fb-text{font-size:14px;line-height:1.8;color:var(--t-2);margin:0 0 16px;flex:1}
.fb-user{display:flex;align-items:center;gap:10px;border-top:1px solid var(--line);padding-top:14px}
.fb-avatar{
  width:36px;height:36px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.07);border:1px solid var(--line);font-size:14px;color:var(--t-1);font-weight:600;
}
.fb-name{font-size:14px;font-weight:600;color:var(--t-1);line-height:1.3}
.fb-role{font-size:12px;color:var(--t-3)}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:clamp(28px,4vw,56px);
  border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(110,91,255,.2),rgba(17,25,48,.92) 58%,rgba(10,15,30,.96));
  backdrop-filter:blur(14px) saturate(135%);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.1),var(--sh-2);
  display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  background:radial-gradient(circle,rgba(255,196,107,.16),transparent 68%);pointer-events:none;
}
.cta-card h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.cta-card p{font-size:15px;color:var(--t-2);margin:0 0 18px;max-width:520px}
.cta-points{display:grid;gap:8px}
.cta-point{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--t-2)}
.cta-actions{display:flex;flex-direction:column;gap:12px;align-items:stretch;position:relative;z-index:2}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--line);padding:64px 0 0;margin-top:var(--sec-y)}
.foot-grid{display:grid;grid-template-columns:4fr 2fr 2fr 2fr;gap:40px;padding-bottom:44px}
.foot-brand p{font-size:13px;color:var(--t-3);line-height:1.8;margin:16px 0 18px;max-width:280px}
.foot-social{display:flex;gap:10px}
.foot-social a{
  width:36px;height:36px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--t-2);
}
.foot-social a:hover{color:var(--c-accent);border-color:rgba(255,196,107,.5);background:rgba(255,196,107,.1);transform:translateY(-2px)}
.foot-col h3{font-size:14px;font-weight:600;color:var(--t-1);margin-bottom:16px;letter-spacing:.02em}
.foot-col ul li{margin-bottom:10px}
.foot-col ul li a{font-size:13px;color:var(--t-3);display:inline-block;transition:all 180ms var(--ease)}
.foot-col ul li a:hover{color:var(--c-accent);transform:translateX(2px)}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t-3);
}
.foot-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap}
.foot-bottom a{color:var(--t-3)}
.foot-bottom a:hover{color:var(--c-accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-menu{gap:16px}
  .nav-link{font-size:13px}
  .search-box{width:170px}
}
@media (max-width:991px){
  .container{padding-left:20px;padding-right:20px}
  .nav-menu{
    position:fixed;top:0;right:0;width:86vw;max-width:340px;height:100vh;
    background:var(--bg-1);border-left:1px solid var(--line);border-radius:20px 0 0 20px;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:88px 22px 32px;transform:translateX(105%);
    transition:transform 280ms var(--ease);z-index:1040;overflow-y:auto;flex:none;
  }
  .nav-menu.is-open{transform:translateX(0);box-shadow:-18px 0 48px rgba(3,6,16,.7)}
  .nav-link{font-size:16px;padding:12px 4px;border-bottom:1px solid rgba(140,160,220,.09)}
  .nav-link::after{display:none}
  .nav-link.is-active{color:var(--c-primary-l)}
  .nav-toggle{display:inline-flex}
  .search-box{display:none}
  .login-link{display:none}
  .guide-wrap{grid-template-columns:1fr;gap:28px}
  .guide-aside{position:static}
  .toc-card{padding:18px}
  .toc ul{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px}
  .toc li{margin-bottom:0;flex-shrink:0}
  .toc a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent;border-radius:10px}
  .toc a.is-active{border-left:0;border-bottom-color:var(--c-primary)}
  .toc-tip{display:none}
  .feedback-grid{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px}
  .figure-card img{height:240px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding-left:18px;padding-right:18px}
  .nav-inner{height:64px;gap:12px}
  .site-header.is-scrolled .nav-inner{height:58px}
  .brand-text strong{font-size:16px}
  .brand-text em{font-size:11px}
  .btn-sm-x{height:36px;padding:0 14px;font-size:12px}
  .page-hero{padding:16px 0 8px}
  .hero-lead{font-size:15px}
  .step-card{grid-template-columns:1fr;gap:10px;padding:18px}
  .step-num{font-size:26px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:6px}
  .sec-head .sec-note{margin:0}
  .score-card{padding:20px}
  .faq-q{font-size:15px;padding:16px}
  .faq-a-inner{padding:0 16px 16px;font-size:14px}
  .figure-card img{height:190px}
  .figure-cap{padding:16px}
  .figure-cap h3{font-size:16px}
  .figure-cap p{font-size:12px}
  .cta-actions{flex-direction:column}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:420px){
  .btn-x{width:100%}
  .nav-tools .btn-sm-x{width:auto}
  .brand-mark{width:32px;height:32px}
  .step-card{padding:16px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}