/* roulang page: index */
:root{
  --bg-0:#0B1220; --bg-1:#101B2E; --bg-2:#16233A;
  --acc:#2FE0A0; --acc-hi:#4BEFB4; --acc-dn:#1FBE86;
  --amber:#F5B942; --warn:#FF5A3C;
  --tx1:#F2F6FF; --tx2:#A9B7CE; --tx3:#6C7C96;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --card-r:18px; --btn-r:12px; --table-r:14px;
  --sh:0 20px 60px rgba(0,0,0,.45);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--tx1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,ul,ol,dl{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--acc);outline-offset:2px}
::selection{background:rgba(47,224,160,.28)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:#0B1220}
::-webkit-scrollbar-thumb{background:#22314d;border-radius:999px;border:2px solid #0B1220}
::-webkit-scrollbar-thumb:hover{background:#2f4368}
.num,table,.plate b,.wm,.tier-card .wm{font-variant-numeric:tabular-nums}

/* 容器 */
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1536px){.wrap{max-width:1320px}}
@media (max-width:639px){.wrap{padding:0 20px}}

/* 顶栏 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid #E6EAF2;box-shadow:0 1px 2px rgba(16,24,40,.06)}
.header-inner{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-ico{width:38px;height:38px;border-radius:11px;background:linear-gradient(150deg,#0B1220,#16233A);display:grid;place-items:center;color:#2FE0A0;flex:none}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt strong{font-size:15px;font-weight:800;color:#0B1220;letter-spacing:.2px}
.brand-txt em{font-style:normal;font-size:11px;color:#6C7C96;letter-spacing:.3px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;padding:10px 14px;font-size:15px;font-weight:600;color:#41506B;border-radius:10px;white-space:nowrap}
.nav-link:hover{color:#0B1220;background:#F4F7FC}
.nav-link.active{color:#0B1220}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:#2FE0A0}
.header-act{display:flex;align-items:center;gap:10px;margin-left:auto}
.search{display:flex;align-items:center;gap:8px;height:40px;padding:0 14px;border-radius:999px;background:#F4F7FC;border:1px solid #E6EAF2;color:#6C7C96;transition:.2s}
.search:focus-within{border-color:#2FE0A0;background:#fff;box-shadow:0 0 0 3px rgba(47,224,160,.18)}
.search input{border:0;background:transparent;outline:none;width:150px;font-size:14px;color:#0B1220}
.search input::placeholder{color:#95A1B6}
.menu-btn{display:none;width:42px;height:42px;border-radius:12px;border:1px solid #E6EAF2;background:#F4F7FC;color:#0B1220;align-items:center;justify-content:center}
.drawer{display:none;border-top:1px solid #E6EAF2;background:#fff}
.drawer.open{display:block}
.drawer-list a{display:block;padding:13px 2px;font-size:15px;font-weight:600;color:#41506B;border-bottom:1px solid #EEF1F7}
.drawer-list a:last-child{border-bottom:0}
.drawer-list a.active{color:#0B1220}
.drawer-cta{display:flex;gap:10px;padding:14px 0 4px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:12px;font-weight:600;line-height:1;white-space:nowrap;border:1px solid transparent;transition:all .2s ease}
.btn-sm{padding:10px 16px;font-size:14px}
.btn-md{padding:13px 24px;font-size:15px}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%;padding:15px 20px;font-size:15px}
.btn-primary{background:var(--acc);color:#04140D;box-shadow:0 0 24px rgba(47,224,160,.35)}
.btn-primary:hover{background:var(--acc-hi);box-shadow:0 0 36px rgba(47,224,160,.5);transform:translateY(-2px)}
.btn-primary:active{transform:translateY(1px);background:var(--acc-dn)}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.18);color:var(--tx1)}
.btn-ghost:hover{border-color:rgba(47,224,160,.6);color:var(--acc-hi);background:rgba(47,224,160,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#F4F7FC;border-color:#E6EAF2;color:#0B1220}
.btn-light:hover{background:#fff;border-color:#CBD5E6}
.btn:disabled{opacity:.4;box-shadow:none;cursor:not-allowed}
.site-header .btn-primary{box-shadow:0 6px 16px rgba(47,224,160,.32)}
.site-header .btn-primary:hover{box-shadow:0 8px 22px rgba(47,224,160,.42)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.6;white-space:nowrap}
.badge-mint{background:rgba(47,224,160,.14);color:var(--acc);border:1px solid rgba(47,224,160,.3)}
.badge-amber{background:rgba(245,185,66,.14);color:var(--amber);border:1px solid rgba(245,185,66,.34)}
.badge-line{background:rgba(255,255,255,.05);color:var(--tx2);border:1px solid var(--line-2)}

/* 板块 */
.sec{padding:100px 0}
.sec-alt{background:radial-gradient(1200px 480px at 50% 0%,rgba(47,224,160,.055),transparent 70%)}
@media (max-width:1023px){.sec{padding:76px 0}}
@media (max-width:639px){.sec{padding:58px 0}}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
.sec-title{font-size:clamp(24px,2.6vw,31px);font-weight:700;line-height:1.35;letter-spacing:-.2px}
.sec-sub{font-size:14.5px;color:var(--tx3);margin-top:10px;max-width:640px}
.sec-more{font-size:14px;font-weight:600;color:var(--acc);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.sec-more:hover{color:var(--acc-hi)}
.sec-more svg{transition:transform .2s}
.sec-more:hover svg{transform:translateX(3px)}
@media (max-width:639px){.sec-head{flex-direction:column;align-items:flex-start;gap:14px}}

/* Hero */
.hero{position:relative;overflow:hidden;background:#0B1220;min-height:560px;display:flex;align-items:center;padding:76px 0 84px}
.hero-bg{position:absolute;inset:0;background-image:linear-gradient(180deg,rgba(11,18,32,.72),rgba(11,18,32,.96)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;background-repeat:no-repeat}
.hero::after{content:"";position:absolute;inset:0;background:radial-gradient(760px 380px at 12% 8%,rgba(47,224,160,.16),transparent 68%);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:56px;align-items:center}
@media (max-width:1023px){.hero-grid{grid-template-columns:1fr;gap:38px}}
.hero h1{font-size:clamp(28px,4vw,45px);font-weight:800;line-height:1.24;letter-spacing:-.6px;margin:18px 0 16px}
.hero h1 .hl{color:var(--acc)}
.hero-sub{font-size:17px;color:var(--tx2);line-height:1.7}
.hero-sub strong{color:var(--tx1);font-weight:600}
.hero-acts{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.plates{display:flex;flex-wrap:wrap;gap:14px;margin-top:36px}
.plate{background:rgba(255,255,255,.06);border:1px solid var(--line-2);border-radius:14px;padding:14px 20px;min-width:132px;backdrop-filter:blur(12px)}
.plate b{display:block;font-size:26px;font-weight:800;color:var(--acc);line-height:1.25}
.plate span{font-size:13px;color:var(--tx2)}
.hero-card{background:rgba(255,255,255,.06);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.10);border-radius:var(--card-r);padding:26px;box-shadow:var(--sh)}
.hero-card .hc-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hero-card h2{font-size:17px;font-weight:700}
.lv-list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.lv-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line);transition:all .2s ease}
.lv-row:hover{background:rgba(47,224,160,.08);border-color:rgba(47,224,160,.28);transform:translateX(3px)}
.lv-no{width:30px;height:30px;flex:none;border-radius:9px;display:grid;place-items:center;font-size:13px;font-weight:800;background:rgba(47,224,160,.14);color:var(--acc)}
.lv-row.top .lv-no{background:rgba(245,185,66,.16);color:var(--amber)}
.lv-name{font-size:15px;font-weight:600}
.lv-desc{font-size:12.5px;color:var(--tx3)}
.lv-gate{margin-left:auto;font-size:13px;color:var(--tx2);white-space:nowrap}
.hero-card .btn-block{margin-top:18px}

/* 对比表 */
.table-shell{border:1px solid rgba(255,255,255,.10);border-radius:var(--table-r);background:rgba(255,255,255,.04);backdrop-filter:blur(12px);overflow:auto;box-shadow:var(--sh)}
table.cmp{width:100%;border-collapse:separate;border-spacing:0;min-width:880px}
.cmp th,.cmp td{padding:15px 18px;text-align:center;font-size:14.5px;border-bottom:1px solid rgba(255,255,255,.06)}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp thead th{background:#16233A;font-size:15px;font-weight:700;color:var(--tx1);vertical-align:top;padding-top:18px;padding-bottom:16px}
.cmp thead th small{display:block;font-weight:500;font-size:12px;color:var(--tx3);margin-top:5px}
.cmp th:first-child,.cmp td:first-child{text-align:left;position:sticky;left:0;z-index:2;background:#101B2E;min-width:190px;font-weight:600;color:var(--tx2)}
.cmp thead th:first-child{z-index:3;background:#16233A;color:var(--tx1)}
.cmp tbody tr:hover td{background:rgba(47,224,160,.055)}
.cmp tbody tr:hover td:first-child{background:#14203A}
.ok{color:var(--acc);font-weight:700}
.no{color:var(--tx3)}
.val{color:var(--amber);font-weight:700}
.gold-col{background:rgba(245,185,66,.05)}
.table-foot{margin-top:22px;display:flex;justify-content:center}
.table-cards{display:none;gap:14px;grid-template-columns:1fr}
.tc-card{border:1px solid rgba(255,255,255,.10);border-radius:var(--card-r);background:rgba(255,255,255,.05);padding:20px}
.tc-card header{display:flex;align-items:center;gap:10px;padding-bottom:13px;border-bottom:1px solid var(--line);margin-bottom:8px}
.tc-card header h3{font-size:16.5px;font-weight:700}
.tc-row{display:flex;justify-content:space-between;gap:14px;padding:9px 0;font-size:14px;color:var(--tx2);border-bottom:1px dashed rgba(255,255,255,.07)}
.tc-row:last-child{border-bottom:0}
@media (max-width:899px){
  .table-shell{display:none}
  .table-cards{display:grid}
}

/* 等级亮点 */
.tier-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;align-items:start}
.tier-card{position:relative;overflow:hidden;border-radius:var(--card-r);border:1px solid rgba(255,255,255,.10);background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.028));padding:26px 22px 22px;transition:all .25s ease}
.tier-card:nth-child(1){margin-top:38px}
.tier-card:nth-child(2){margin-top:14px}
.tier-card:nth-child(3){margin-top:38px}
.tier-card:nth-child(4){margin-top:0}
.tier-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 30px rgba(47,224,160,.12)}
.tier-card .wm{position:absolute;right:10px;top:-8px;font-size:78px;font-weight:800;line-height:1;color:rgba(255,255,255,.045);pointer-events:none}
.tier-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap;position:relative;z-index:1}
.tier-head h3{font-size:18px;font-weight:700}
.tier-card ul{margin:18px 0 20px;display:flex;flex-direction:column;gap:10px;position:relative;z-index:1}
.tier-card li{font-size:14px;color:var(--tx2);padding-left:18px;position:relative;line-height:1.65}
.tier-card li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:rgba(47,224,160,.75)}
.tier-card .gate{display:flex;justify-content:space-between;gap:10px;font-size:13px;color:var(--tx3);padding-top:14px;border-top:1px solid var(--line);margin-bottom:16px;position:relative;z-index:1}
.tier-card .gate b{color:var(--tx2);font-weight:600}
.tier-card.gold{border-color:rgba(245,185,66,.45);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 34px rgba(245,185,66,.14)}
.tier-card.gold li::before{background:rgba(245,185,66,.8)}
@media (max-width:1023px){
  .tier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .tier-card{margin-top:0!important}
}
@media (max-width:639px){
  .tier-grid{grid-template-columns:1fr}
}

/* 专属内容 */
.preview-rail{display:grid;grid-auto-flow:column;grid-auto-columns:300px;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding:6px 2px 22px;margin:0 -2px}
.preview-rail::-webkit-scrollbar{height:8px}
.pv-card{scroll-snap-align:start;display:flex;flex-direction:column;border-radius:var(--card-r);border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.05);overflow:hidden;transition:all .25s ease}
.pv-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 30px rgba(47,224,160,.12)}
.pv-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.pv-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.pv-card:hover .pv-media img{transform:scale(1.05)}
.pv-media .badge{position:absolute;left:12px;top:12px}
.pv-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.pv-body h3{font-size:16px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pv-body p{font-size:13.5px;color:var(--tx3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.pv-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--tx3);padding-top:12px;border-top:1px solid var(--line)}
.lock{display:inline-flex;align-items:center;gap:5px;color:var(--amber);font-size:12.5px;font-weight:600}
@media (max-width:639px){.preview-rail{grid-auto-columns:80%}}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:26px;align-items:start}
@media (max-width:1023px){.news-grid{grid-template-columns:1fr}}
.feat-card{display:flex;flex-direction:column;border-radius:var(--card-r);border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.05);overflow:hidden;transition:all .25s ease}
.feat-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 30px rgba(47,224,160,.12)}
.feat-media{position:relative;aspect-ratio:16/10;overflow:hidden}
.feat-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.feat-card:hover .feat-media img{transform:scale(1.04)}
.feat-media .badge{position:absolute;left:14px;bottom:14px}
.feat-body{padding:22px;display:flex;flex-direction:column;gap:10px}
.feat-body h3{font-size:20px;font-weight:700;line-height:1.45}
.feat-body p{font-size:14px;color:var(--tx3);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.feat-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--tx3);margin-top:4px}
.feat-meta .go{color:var(--acc);font-weight:600}
.row-list{display:flex;flex-direction:column;gap:12px}
.row-item{display:flex;gap:14px;align-items:center;padding:14px;border-radius:16px;border:1px solid var(--line);background:rgba(255,255,255,.035);transition:all .2s ease}
.row-item:hover{border-color:rgba(255,255,255,.2);background:rgba(255,255,255,.06);transform:translateX(4px)}
.row-thumb{width:96px;height:72px;flex:none;border-radius:12px;object-fit:cover}
.row-body{min-width:0;display:flex;flex-direction:column;gap:5px;flex:1}
.row-body h3{font-size:15.5px;font-weight:600;line-height:1.45;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-body p{font-size:13px;color:var(--tx3);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--tx3)}
.row-arrow{color:var(--tx3);flex:none;transition:transform .2s,color .2s}
.row-item:hover .row-arrow{color:var(--acc);transform:translateX(3px)}
@media (max-width:639px){
  .row-thumb{width:76px;height:64px}
  .row-body p{display:none}
}
.empty{text-align:center;padding:56px 22px;border:1px dashed rgba(255,255,255,.16);border-radius:var(--card-r);background:rgba(255,255,255,.03)}
.empty .ico{width:52px;height:52px;margin:0 auto 14px;border-radius:14px;display:grid;place-items:center;background:rgba(47,224,160,.12);color:var(--acc)}
.empty p{font-size:15px;color:var(--tx2);margin-bottom:18px}

/* 信誉保障 */
.trust-grid{display:grid;grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);gap:48px;align-items:start}
@media (max-width:1023px){.trust-grid{grid-template-columns:1fr;gap:30px}}
.trust-panel{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
@media (max-width:639px){.trust-panel{grid-template-columns:1fr}}
.trust-card{border-radius:var(--card-r);border:1px solid rgba(255,255,255,.10);background:rgba(255,255,255,.05);padding:22px;transition:all .25s ease}
.trust-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2);box-shadow:0 20px 50px rgba(0,0,0,.45);}
.trust-card .no{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:14px;font-weight:800;background:rgba(47,224,160,.13);color:var(--acc);margin-bottom:14px}
.trust-card h3{font-size:16.5px;font-weight:700;margin-bottom:8px}
.trust-card p{font-size:13.5px;color:var(--tx3);line-height:1.75}
.trust-card:nth-child(2){margin-top:22px}
.trust-card:nth-child(3){margin-top:0}
.trust-card:nth-child(4){margin-top:22px}
@media (max-width:639px){.trust-card{margin-top:0!important}}
.quote-line{border-left:3px solid var(--acc);padding-left:16px;margin-top:26px;font-size:14.5px;color:var(--tx2);line-height:1.85}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:48px;align-items:start}
@media (max-width:1023px){.faq-grid{grid-template-columns:1fr;gap:28px}}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.04);backdrop-filter:blur(12px);overflow:hidden;transition:all .2s ease}
.faq-item:hover{border-color:rgba(255,255,255,.18)}
.faq-q{width:100%;display:flex;align-items:center;gap:14px;text-align:left;padding:18px 20px;font-size:15.5px;font-weight:600;color:var(--tx1);line-height:1.5}
.faq-ico{margin-left:auto;flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:rgba(255,255,255,.07);color:var(--tx2);font-size:16px;font-weight:700;transition:all .2s ease;line-height:1}
.faq-item.open{border-color:rgba(47,224,160,.35);background:rgba(47,224,160,.06)}
.faq-item.open .faq-q{box-shadow:inset 4px 0 0 var(--acc)}
.faq-item.open .faq-ico{background:rgba(47,224,160,.18);color:var(--acc);transform:rotate(180deg)}
.faq-a{max-height:0;opacity:0;overflow:hidden;transition:max-height .2s ease,opacity .2s ease}
.faq-item.open .faq-a{max-height:340px;opacity:1}
.faq-a p{padding:0 20px 20px 20px;font-size:14.5px;color:var(--tx2);line-height:1.85}

/* CTA */
.cta-panel{position:relative;overflow:hidden;border-radius:22px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.06);backdrop-filter:blur(12px);box-shadow:var(--sh)}
.cta-bg{position:absolute;inset:0;background-image:linear-gradient(120deg,rgba(11,18,32,.94),rgba(16,27,46,.86)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;opacity:.85}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:44px;padding:46px 44px}
@media (max-width:1023px){.cta-inner{grid-template-columns:1fr;gap:30px;padding:34px 26px}}
.cta-inner h2{font-size:clamp(23px,2.5vw,30px);font-weight:700;line-height:1.35;margin-bottom:12px}
.cta-inner p{font-size:14.5px;color:var(--tx2);line-height:1.85}
.cta-points{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.cta-points li{font-size:14px;color:var(--tx2);padding-left:20px;position:relative}
.cta-points li::before{content:"";position:absolute;left:0;top:8px;width:8px;height:8px;border-radius:50%;background:var(--acc);box-shadow:0 0 0 4px rgba(47,224,160,.14)}
.join-form{background:rgba(11,18,32,.55);border:1px solid var(--line-2);border-radius:var(--card-r);padding:24px;display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field label{font-size:13px;color:var(--tx2);font-weight:600}
.field input,.field select{height:46px;padding:0 14px;border-radius:12px;background:#0E1729;border:1px solid rgba(255,255,255,.12);outline:none;font-size:14.5px;color:var(--tx1);transition:all .18s ease;width:100%}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#6C7C96 50%),linear-gradient(135deg,#6C7C96 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input::placeholder{color:#5C6B85}
.field input:focus,.field select:focus{border-color:var(--acc);box-shadow:0 0 0 3px rgba(47,224,160,.18)}
.field.err input{border-color:var(--warn);box-shadow:0 0 0 3px rgba(255,90,60,.16)}
.form-note{font-size:12.5px;color:var(--tx3);line-height:1.7}
.form-note.warn{color:var(--warn)}
.form-note.done{color:var(--acc)}

/* 页脚 */
.site-footer{background:#080E18;border-top:1px solid var(--line);margin-top:8px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.15fr;gap:40px;padding:64px 0 40px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 32px}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 26px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-ico{background:rgba(47,224,160,.12);color:var(--acc)}
.footer-brand strong{font-size:15.5px;font-weight:800;color:var(--tx1)}
.footer-brand em{display:block;font-style:normal;font-size:11.5px;color:var(--tx3)}
.footer-desc{font-size:13.5px;color:var(--tx3);line-height:1.85;max-width:330px}
.footer-col h4{font-size:14px;font-weight:600;color:var(--tx1);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col li{font-size:13.5px;color:var(--tx3)}
.footer-col a:hover{color:var(--acc);transform:translateX(-3px);display:inline-block}
.footer-col .line{color:var(--tx2)}
.footer-bar{border-top:1px solid var(--line);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--tx3)}
.footer-bar a:hover{color:var(--acc)}

/* 移动端底部条 */
.mobile-bar{position:fixed;left:0;right:0;bottom:0;z-index:70;display:none;gap:10px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(11,18,32,.94);border-top:1px solid var(--line);backdrop-filter:blur(14px);transition:transform .25s ease}
.mobile-bar.hide{transform:translateY(110%)}
.mobile-bar .btn{flex:1}
@media (max-width:639px){.mobile-bar{display:flex}}

@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg-0:#0B1220;
  --bg-1:#101B2E;
  --bg-2:#16233A;
  --brand:#2FE0A0;
  --brand-hi:#4BEFB4;
  --brand-press:#1FBE86;
  --gold:#F5B942;
  --warn:#FF5A3C;
  --text:#F2F6FF;
  --text-2:#A9B7CE;
  --text-3:#6C7C96;
  --body-text:#D9E2F2;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.20);
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.10);
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --pill:999px;
  --shadow-dark:0 20px 60px rgba(0,0,0,.45);
  --nav-h:72px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
.tnum{font-variant-numeric:tabular-nums;}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1536px){ .wrap{max-width:1320px;} }
@media (max-width:640px){ .wrap{padding:0 20px;} }

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:#FFFFFF;
  border-bottom:1px solid #E6EAF2;
  box-shadow:0 1px 2px rgba(16,24,40,.06);
  color:#0B1220;
}
.header-inner{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:var(--nav-h);
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.brand-ico{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(140deg,#0B1220,#16233A);
  color:var(--brand);
  flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand-text em{font-style:normal;font-size:11px;color:#6C7C96;letter-spacing:.4px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:10px 12px;
  font-size:15px;
  color:#4A5670;
  border-radius:10px;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:#0B1220;background:#F4F7FC;}
.nav-link.active{color:#0B1220;font-weight:600;}
.nav-link.active::after{
  content:"";
  position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-tools{margin-left:auto;display:flex;align-items:center;gap:12px;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#F1F4F9;
  border:1px solid #E6EAF2;
  border-radius:var(--pill);
  padding:0 14px;
  height:40px;
  width:220px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,224,160,.18);}
.search-box svg{flex-shrink:0;color:#8593AB;}
.search-box input{
  border:0;outline:0;background:transparent;
  width:100%;color:#0B1220;font-size:14px;
}
.search-box input::placeholder{color:#93A0B6;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);
  padding:12px 22px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:var(--pill);}
.btn-primary{
  background:var(--brand);color:#08131F;
  box-shadow:0 0 24px rgba(47,224,160,.35);
}
.btn-primary:hover{background:var(--brand-hi);box-shadow:0 0 36px rgba(47,224,160,.5);transform:translateY(-2px);}
.btn-primary:active{background:var(--brand-press);transform:translateY(1px);}
.btn-ghost{
  background:var(--glass);color:var(--text);
  border:1px solid var(--glass-line);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-hi);transform:translateY(-2px);}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid #E6EAF2;background:#F7F9FD;color:#0B1220;cursor:pointer;
}
.mobile-drawer{
  display:none;
  border-top:1px solid #E6EAF2;
  background:#FFFFFF;
  padding:12px 20px 18px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 4px;font-size:15px;color:#31405A;border-bottom:1px solid #EEF1F7;
}
.mobile-drawer a:last-child{border-bottom:0;}
.mobile-drawer a.active{color:#0B1220;font-weight:700;}

/* ============ 面包屑 / 文章头 ============ */
main{display:block;}
.section{padding:72px 0;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  padding:22px 0 0;
}
.crumbs a{color:var(--text-2);transition:color .16s ease;}
.crumbs a:hover{color:var(--brand-hi);}
.crumbs .sep{color:rgba(255,255,255,.22);}
.crumbs .current{color:var(--text-3);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;
  border-radius:var(--pill);
  font-size:12px;font-weight:600;
  background:rgba(47,224,160,.12);
  color:var(--brand-hi);
  border:1px solid rgba(47,224,160,.24);
}
.badge-gold{background:rgba(245,185,66,.14);color:var(--gold);border-color:rgba(245,185,66,.3);}
.article-head h1{
  font-size:40px;line-height:1.25;font-weight:800;
  letter-spacing:-.4px;margin:18px 0 16px;
  color:var(--text);
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;
  font-size:13px;color:var(--text-3);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.2);}
.cover-figure{
  margin:30px 0 0;
  border-radius:16px;
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-dark);
}
.cover-figure img{width:100%;height:auto;aspect-ratio:21/9;object-fit:cover;}
.cover-figure figcaption{
  padding:12px 18px;
  font-size:13px;color:var(--text-3);
  background:rgba(255,255,255,.03);
  text-align:center;
}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:56px;
  align-items:start;
  padding:44px 0 0;
}
.article-main{max-width:760px;}
.article-body{color:var(--body-text);font-size:16px;line-height:1.85;}
.article-body p{margin:0 0 1.4em;}
.article-body h2{
  position:relative;
  margin:48px 0 18px;
  padding-left:16px;
  font-size:26px;font-weight:700;line-height:1.4;color:var(--text);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--brand),var(--brand-press));
}
.article-body h3{margin:32px 0 14px;font-size:19px;font-weight:600;color:var(--text);}
.article-body h4{margin:24px 0 10px;font-size:16px;font-weight:600;color:var(--text-2);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:22px;list-style:revert;}
.article-body li{margin:8px 0;}
.article-body a{color:var(--brand-hi);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand);}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;
  background:var(--glass);
  border-left:3px solid var(--brand);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  backdrop-filter:blur(12px);
  color:#C9D6EA;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{max-width:100%;height:auto;border-radius:12px;margin:22px 0;}
.article-body figure{margin:24px 0;}
.article-body figcaption{
  margin-top:8px;text-align:center;font-size:13px;color:var(--text-3);
}
.article-body table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
  font-variant-numeric:tabular-nums;
}
.article-body th,.article-body td{
  border:1px solid var(--glass-line);
  padding:10px 12px;text-align:left;
}
.article-body th{background:rgba(255,255,255,.05);color:var(--text);font-weight:600;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.article-body code{
  background:rgba(255,255,255,.08);padding:2px 6px;border-radius:6px;font-size:14px;
}

/* ============ 侧栏 ============ */
.side-col{position:sticky;top:calc(var(--nav-h) + 24px);display:grid;gap:20px;}
.side-card{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-lg);
  padding:22px;
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-dark);
}
.side-card h3{font-size:16px;font-weight:700;margin-bottom:12px;color:var(--text);}
.side-card p{font-size:14px;color:var(--text-2);line-height:1.75;}
.side-list{margin-top:14px;display:grid;gap:10px;}
.side-list a{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--text-2);
  padding:10px 12px;
  border-radius:var(--radius-sm);
  border:1px solid transparent;
  background:rgba(255,255,255,.03);
  transition:all .18s ease;
}
.side-list a:hover{
  color:var(--brand-hi);border-color:rgba(47,224,160,.35);
  background:rgba(47,224,160,.07);transform:translateX(3px);
}
.side-list .idx{
  color:var(--brand);font-weight:700;font-variant-numeric:tabular-nums;
}
.side-stats{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;}
.side-stat{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:12px;background:rgba(255,255,255,.03);
}
.side-stat strong{
  display:block;font-size:20px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.side-stat span{font-size:12px;color:var(--text-3);}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;
  padding:64px 24px;
  border:1px dashed var(--glass-line);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.03);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 16px;
  border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:rgba(47,224,160,.1);color:var(--brand);
}
.empty-state p{color:var(--text-2);margin-bottom:20px;}

/* ============ CTA 条 ============ */
.cta-band{
  margin-top:64px;
  border-radius:var(--radius-lg);
  border:1px solid var(--glass-line);
  background-image:
    linear-gradient(120deg, rgba(11,18,32,.92), rgba(11,18,32,.78)),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  padding:36px 40px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--shadow-dark);
}
.cta-band h2{font-size:24px;font-weight:800;margin-bottom:8px;}
.cta-band p{font-size:15px;color:var(--text-2);max-width:520px;}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 相关推荐 ============ */
.rel-section{padding:64px 0 8px;border-top:1px solid var(--line);margin-top:64px;}
.rel-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;}
.rel-head h2{font-size:26px;font-weight:800;}
.rel-head a{font-size:14px;color:var(--brand-hi);}
.rel-head a:hover{color:var(--brand);text-decoration:underline;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.rel-card{
  display:flex;flex-direction:column;
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.rel-card:hover{
  transform:translateY(-4px);
  border-color:var(--line-strong);
  box-shadow:0 18px 50px rgba(0,0,0,.5),0 0 0 1px rgba(47,224,160,.18);
}
.rel-card img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;}
.rel-card .body{padding:18px 20px 22px;}
.rel-card .body h3{font-size:18px;font-weight:600;line-height:1.5;margin:10px 0 8px;color:var(--text);}
.rel-card .body p{font-size:14px;color:var(--text-2);line-height:1.7;}
.rel-card:focus-visible{outline:2px solid var(--brand);outline-offset:3px;}

.post-nav{
  display:flex;flex-wrap:wrap;gap:12px;
  margin-top:40px;
}
.post-nav .btn{flex:1 1 200px;justify-content:center;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:88px;
  background:#080E18;
  border-top:1px solid var(--line);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px;}
.footer-brand .brand-ico{
  background:rgba(47,224,160,.12);
  color:var(--brand);
  border:1px solid rgba(47,224,160,.22);
}
.footer-brand span strong{display:block;font-size:16px;font-weight:700;color:var(--text);}
.footer-brand span em{display:block;font-style:normal;font-size:12px;color:var(--text-3);margin-top:2px;}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.8;max-width:340px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--text);margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li{font-size:14px;color:var(--text-2);transition:transform .16s ease,color .16s ease;}
.footer-col li a{color:var(--text-2);}
.footer-col li a:hover{color:var(--brand);transform:translateX(3px);display:inline-block;}
.footer-col li.line{color:var(--text-2);}
.footer-bar{
  margin-top:44px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1200px){
  .search-box{width:180px;}
}
@media (max-width:1023px){
  .main-nav{display:none;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .side-col{position:static;order:2;}
  .article-main{max-width:none;}
  .article-head h1{font-size:32px;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .section{padding:60px 0;}
}
@media (max-width:767px){
  .brand-text em{display:none;}
  .article-head h1{font-size:28px;}
  .cta-band{padding:28px 22px;}
  .cta-band h2{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-desc{max-width:none;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .cover-figure img{aspect-ratio:16/9;}
}
@media (max-width:520px){
  .article-body h2{font-size:22px;margin-top:40px;}
  .meta-row{gap:10px 16px;}
  .post-nav .btn{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0B1220; --bg-1:#101B2E; --bg-2:#16233A;
  --mint:#2FE0A0; --mint-hi:#4BEFB4; --mint-dn:#1FBE86;
  --amber:#F5B942; --warn:#FF5A3C;
  --text:#F2F6FF; --text-2:#A9B7CE; --text-3:#6C7C96;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.10);
  --surface:#FFFFFF; --surface-text:#0B1220; --surface-line:#E6EAF2;
  --r-card:18px; --r-btn:12px; --r-table:14px;
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --header-h:72px;
}
@media (max-width:900px){ :root{ --header-h:64px; } }

*,*::before,*::after{box-sizing:border-box}
.page-body{
  margin:0; background:var(--bg-0); color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px; line-height:1.7; letter-spacing:.01em;
  -webkit-font-smoothing:antialiased; scroll-behavior:smooth;
}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,select,textarea{font-family:inherit}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (min-width:1536px){ .wrap{max-width:1320px} }
@media (max-width:640px){ .wrap{padding:0 20px} }

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky; top:0; z-index:50;
  background:var(--surface); border-bottom:1px solid var(--surface-line);
  box-shadow:0 1px 2px rgba(16,24,40,.06);
}
.header-inner{display:flex;align-items:center;gap:26px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:10px;color:var(--surface-text);flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#0B1220,#16233A);color:var(--mint);flex:0 0 38px;
  box-shadow:0 6px 18px rgba(11,18,32,.22);
}
.brand-text strong{display:block;font-size:16px;font-weight:800;line-height:1.2;letter-spacing:.02em}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:.04em;line-height:1.4}
.main-nav{display:none;align-items:center;gap:26px;margin-left:6px}
@media (min-width:1080px){ .main-nav{display:flex} }
.nav-link{
  position:relative;padding:6px 2px;font-size:15px;font-weight:600;color:#4B5A72;
  transition:color .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--mint-dn);transform:scaleX(0);transition:transform .2s ease;
}
.nav-link:hover{color:var(--surface-text)}
.nav-link.active{color:var(--surface-text)}
.nav-link.active::after{transform:scaleX(1)}
.nav-link:focus-visible{outline:2px solid var(--mint-dn);outline-offset:4px;border-radius:6px}

.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.search-box{
  display:none;align-items:center;gap:8px;padding:9px 16px;border-radius:999px;
  background:#F4F6FA;border:1px solid var(--surface-line);color:var(--text-3);width:190px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
@media (min-width:1200px){ .search-box{display:flex} }
.search-box:focus-within{border-color:var(--mint-dn);box-shadow:0 0 0 3px rgba(47,224,160,.18)}
.search-box input{border:0;background:transparent;outline:none;font-size:14px;color:var(--surface-text);width:100%}
.search-box input::placeholder{color:#93A0B4}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-weight:700;font-size:15px;padding:12px 22px;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--mint);outline-offset:2px}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:15px 30px;font-size:16px;border-radius:999px}
.btn-primary{background:var(--mint);color:#04170F;box-shadow:0 0 24px rgba(47,224,160,.35)}
.btn-primary:hover{background:var(--mint-hi);box-shadow:0 0 36px rgba(47,224,160,.45);transform:translateY(-2px)}
.btn-primary:active{background:var(--mint-dn);transform:translateY(1px)}
.btn-line{border:1px solid var(--surface-line);color:var(--surface-text);background:#fff}
.btn-line:hover{border-color:var(--mint-dn);color:var(--mint-dn)}
.btn-glass{
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);color:var(--text);
  backdrop-filter:blur(12px);
}
.btn-glass:hover{border-color:var(--mint);color:var(--mint-hi);transform:translateY(-2px)}
.nav-toggle{
  display:flex;flex-direction:column;justify-content:center;gap:4px;
  width:40px;height:38px;border-radius:10px;border:1px solid var(--surface-line);align-items:center;
}
.nav-toggle span{display:block;width:17px;height:2px;background:#33415A;border-radius:2px}
@media (min-width:1080px){ .nav-toggle{display:none} }
.mobile-drawer{display:none;border-top:1px solid var(--surface-line);background:#fff}
.mobile-drawer.open{display:block}
.mobile-drawer .wrap{padding-top:14px;padding-bottom:20px}
.m-link{display:block;padding:12px 4px;font-size:15px;font-weight:600;color:#3A4759;border-bottom:1px solid #F1F3F7}
.m-link.active{color:var(--mint-dn)}
.mobile-drawer .btn{margin-top:16px;width:100%}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;padding:78px 0 70px;
  background-image:linear-gradient(180deg,rgba(11,18,32,.72),rgba(11,18,32,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.hero-grid{display:grid;grid-template-columns:1fr;gap:40px;align-items:center}
@media (min-width:1024px){ .hero-grid{grid-template-columns:1.05fr .95fr;gap:56px} }
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  background:rgba(47,224,160,.10);border:1px solid rgba(47,224,160,.30);
  color:var(--mint);font-size:13px;font-weight:700;letter-spacing:.04em;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--mint);display:block}
.hero-title{
  margin:20px 0 0;font-size:clamp(30px,4.2vw,44px);font-weight:800;line-height:1.24;letter-spacing:-.01em;
}
.hero-title .key{color:var(--mint)}
.hero-sub{margin:16px 0 0;font-size:17px;color:var(--text-2);max-width:520px}
.hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:36px}
.stat{
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);border-radius:14px;
  padding:14px 20px;min-width:142px;backdrop-filter:blur(12px);
}
.stat b{display:block;font-size:24px;font-weight:800;color:var(--mint);line-height:1.2}
.stat span{font-size:13px;color:var(--text-2)}

.hero-card{
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);border-radius:var(--r-card);
  padding:28px;backdrop-filter:blur(12px);box-shadow:var(--shadow);
}
.hero-card h3{margin:0 0 6px;font-size:18px;font-weight:700}
.hero-card .hint{margin:0 0 18px;font-size:13px;color:var(--text-3)}
.glance{display:flex;flex-direction:column;gap:0}
.glance li{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:13px 0;border-bottom:1px dashed var(--line-2);font-size:14.5px;color:var(--text-2);
}
.glance li:last-child{border-bottom:0}
.glance li b{color:var(--text);font-weight:600;font-variant-numeric:tabular-nums}

/* ============ 锚点条 ============ */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:40;
  background:rgba(11,18,32,.94);backdrop-filter:blur(12px);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.anchor-inner{display:flex;gap:8px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-link{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--text-2);border:1px solid transparent;transition:.2s ease;
}
.anchor-link:hover{color:var(--text);border-color:var(--line-2);background:rgba(255,255,255,.05)}

/* ============ 通用板块 ============ */
.section{padding:88px 0;scroll-margin-top:calc(var(--header-h) + 64px)}
.section-alt{background:var(--bg-1)}
@media (max-width:768px){ .section{padding:56px 0} }
.sec-head{max-width:760px;margin-bottom:44px}
.sec-title{margin:14px 0 12px;font-size:30px;font-weight:700;line-height:1.35}
.sec-sub{margin:0;color:var(--text-2);font-size:16px}
@media (max-width:640px){ .sec-title{font-size:24px} }

/* ============ 权益矩阵 ============ */
.matrix{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){ .matrix{grid-template-columns:repeat(2,1fr)} }
.m-card{
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);border-radius:var(--r-card);
  padding:28px;backdrop-filter:blur(12px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.m-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.20);box-shadow:0 0 34px rgba(47,224,160,.14)}
.m-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:8px}
.m-card h3{margin:0;font-size:18px;font-weight:600}
.m-badge{
  flex:0 0 auto;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:rgba(245,185,66,.12);border:1px solid rgba(245,185,66,.34);color:var(--amber);
}
.m-badge.all{background:rgba(47,224,160,.10);border-color:rgba(47,224,160,.30);color:var(--mint)}
.m-note{margin:0 0 18px;font-size:14px;color:var(--text-3)}
.m-list li{
  position:relative;padding-left:26px;margin-bottom:11px;font-size:15px;color:var(--text-2);
}
.m-list li::before{
  content:"";position:absolute;left:0;top:7px;width:14px;height:14px;border-radius:4px;
  background:rgba(47,224,160,.14);border:1px solid rgba(47,224,160,.45);
}
.m-list li::after{
  content:"";position:absolute;left:4px;top:11px;width:6px;height:3px;
  border-left:1.6px solid var(--mint);border-bottom:1.6px solid var(--mint);
  transform:rotate(-45deg);
}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:640px){ .steps{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .steps{grid-template-columns:repeat(4,1fr)} }
.step{
  position:relative;padding:26px 24px 24px;border-radius:var(--r-card);
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);transition:.2s ease;
}
.step:hover{border-color:rgba(47,224,160,.38);transform:translateY(-4px)}
.step-no{
  font-size:34px;font-weight:800;color:rgba(47,224,160,.35);line-height:1;
  font-variant-numeric:tabular-nums;margin-bottom:14px;
}
.step h3{margin:0 0 8px;font-size:17px;font-weight:600}
.step p{margin:0;font-size:14.5px;color:var(--text-2)}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:640px){ .scene-grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:1024px){ .scene-grid{grid-template-columns:repeat(4,1fr)} }
.scene-card{
  background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.scene-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.20);box-shadow:0 0 30px rgba(47,224,160,.12)}
.scene-card img{width:100%;height:160px;object-fit:cover}
.scene-body{padding:22px}
.scene-body h3{margin:0 0 8px;font-size:17px;font-weight:600}
.scene-body p{margin:0;font-size:14.5px;color:var(--text-2)}

/* ============ 规则卡 ============ */
.rule-grid{display:grid;grid-template-columns:1fr;gap:20px}
@media (min-width:768px){ .rule-grid{grid-template-columns:repeat(2,1fr)} }
.rule-card{
  padding:26px;border-radius:var(--r-card);border:1px solid var(--line);
  background:rgba(255,255,255,.04);
}
.rule-card h3{margin:0 0 10px;font-size:17px;font-weight:600;color:var(--text)}
.rule-card p{margin:0;font-size:15px;color:var(--text-2)}
.rule-key{
  display:inline-block;margin-bottom:12px;padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:700;color:var(--mint);background:rgba(47,224,160,.10);
  border:1px solid rgba(47,224,160,.28);
}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:1024px){ .faq-wrap{grid-template-columns:340px 1fr;gap:56px} }
.faq-side{position:relative}
@media (min-width:1024px){ .faq-side{position:sticky;top:calc(var(--header-h) + 90px);align-self:start} }
.faq-item{
  border:1px solid var(--line-2);border-radius:14px;margin-bottom:12px;
  background:rgba(255,255,255,.06);overflow:hidden;transition:.2s ease;
}
.faq-item.open{background:rgba(255,255,255,.09);box-shadow:inset 4px 0 0 var(--mint)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:16.5px;font-weight:600;text-align:left;color:var(--text);
}
.faq-q:focus-visible{outline:2px solid var(--mint);outline-offset:-2px}
.faq-icon{position:relative;width:18px;height:18px;flex:0 0 18px}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--mint);transition:.2s ease}
.faq-icon::before{left:0;top:8px;width:18px;height:2px;border-radius:2px}
.faq-icon::after{left:8px;top:0;width:2px;height:18px;border-radius:2px}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15.5px;line-height:1.85;color:var(--text-2)}

/* ============ CTA ============ */
.cta-panel{
  border-radius:24px;border:1px solid var(--line-2);overflow:hidden;padding:52px;
  background-image:linear-gradient(120deg,rgba(11,18,32,.93),rgba(16,27,46,.84)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;box-shadow:var(--shadow);
}
@media (max-width:768px){ .cta-panel{padding:30px 22px} }
.cta-grid{display:grid;grid-template-columns:1fr;gap:36px;align-items:center}
@media (min-width:1024px){ .cta-grid{grid-template-columns:1.05fr .95fr;gap:48px} }
.cta-title{margin:14px 0 14px;font-size:28px;font-weight:700;line-height:1.35}
@media (max-width:640px){ .cta-title{font-size:23px} }
.cta-points li{position:relative;padding-left:22px;margin-bottom:10px;font-size:15px;color:var(--text-2)}
.cta-points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--mint)}
.join-form{
  background:rgba(255,255,255,.06);border:1px solid var(--line-2);border-radius:20px;
  padding:26px;backdrop-filter:blur(12px);
}
.field{margin-bottom:16px}
.field label{display:block;margin-bottom:7px;font-size:13px;color:var(--text-2)}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:12px;background:#0E1729;
  border:1px solid var(--line-2);color:var(--text);font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#5D6D86}
.field input:focus,.field select:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(47,224,160,.18)}
.form-note{margin:12px 0 0;font-size:13px;color:var(--text-3);text-align:center}
.form-ok{
  margin:14px 0 0;padding:11px 14px;border-radius:12px;font-size:14px;
  background:rgba(47,224,160,.12);border:1px solid rgba(47,224,160,.34);color:var(--mint-hi);
}

/* ============ 页脚 ============ */
.site-footer{background:#080E18;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){ .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px} }
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.brand-ico{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:rgba(47,224,160,.12);border:1px solid rgba(47,224,160,.30);color:var(--mint);flex:0 0 36px;
}
.footer-brand strong{display:block;font-size:16px;font-weight:800;line-height:1.25}
.footer-brand em{display:block;font-style:normal;font-size:11.5px;color:var(--text-3);letter-spacing:.04em}
.footer-desc{margin:0;font-size:14px;color:var(--text-3);line-height:1.85;max-width:420px}
.footer-col h4{margin:0 0 16px;font-size:14px;font-weight:600;color:var(--text)}
.footer-col ul li{margin-bottom:11px;font-size:14px;color:var(--text-3)}
.footer-col ul li a{color:var(--text-3);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col ul li a:hover{color:var(--mint);transform:translateX(-3px)}
.footer-col ul li.line{color:var(--text-3);font-variant-numeric:tabular-nums}
.footer-bar{
  margin-top:48px;padding:20px 0 32px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--text-3);
}

/* ============ 移动端底部 CTA ============ */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;
  padding:10px 20px calc(10px + env(safe-area-inset-bottom));
  background:rgba(8,14,24,.94);border-top:1px solid var(--line);backdrop-filter:blur(12px);
}
@media (max-width:640px){
  .mobile-cta{display:block}
  .mobile-cta .btn{width:100%}
  .footer-bar{padding-bottom:96px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#0B1220;
  --bg-1:#101B2E;
  --bg-2:#16233A;
  --brand:#2FE0A0;
  --brand-hi:#4BEFB4;
  --brand-press:#1FBE86;
  --gold:#F5B942;
  --alert:#FF5A3C;
  --t-1:#F2F6FF;
  --t-2:#A9B7CE;
  --t-3:#6C7C96;
  --ink:#0B1220;
  --line:#E6EAF2;
  --glass:rgba(255,255,255,.06);
  --glass-line:rgba(255,255,255,.10);
  --card-line:rgba(255,255,255,.08);
  --shadow:0 20px 60px rgba(0,0,0,.45);
  --r-card:18px;
  --r-btn:12px;
  --r-table:14px;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body.site-body{
  margin:0;
  background-color:var(--bg-0);
  color:var(--t-1);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,dl,dd,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 32px;}
@media (min-width:1536px){.wrap{max-width:1320px;}}
@media (max-width:767px){.wrap{padding:0 20px;}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;white-space:nowrap;
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;
}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.btn-primary{background:var(--brand);color:#04241A;box-shadow:0 0 24px rgba(47,224,160,.35);}
.btn-primary:hover{background:var(--brand-hi);box-shadow:0 0 36px rgba(47,224,160,.5);transform:translateY(-2px);}
.btn-primary:active{background:var(--brand-press);transform:translateY(1px);}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.22);color:var(--t-1);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-hi);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ink{background:var(--ink);color:#fff;}
.btn-ink:hover{background:#16233A;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 1px 2px rgba(16,24,40,.06);
}
.header-inner{display:flex;align-items:center;gap:18px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex:none;}
.logo-ico{
  display:grid;place-items:center;width:38px;height:38px;border-radius:12px;
  background:linear-gradient(135deg,#0B1220,#16233A);color:var(--brand);
}
.logo-text{display:flex;flex-direction:column;line-height:1.18;}
.logo-text strong{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.4px;}
.logo-text em{font-style:normal;font-size:12px;color:#5B6B85;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{
  position:relative;display:inline-block;padding:10px 12px;border-radius:10px;
  font-size:15px;color:#33415A;transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--ink);background:#F4F7FC;}
.nav-link.active{color:var(--ink);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none;}
.nav-search{position:relative;display:flex;align-items:center;}
.nav-search .ico{position:absolute;left:13px;color:#8B98AC;pointer-events:none;}
.nav-search input{
  height:40px;width:206px;padding:0 14px 0 36px;border-radius:999px;
  background:#F4F7FC;border:1px solid var(--line);font-size:14px;color:var(--ink);
  transition:background-color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.nav-search input::placeholder{color:#8B98AC;}
.nav-search input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,224,160,.18);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:#fff;padding:14px 0 22px;}
.mobile-drawer.open{display:block;}
.drawer-nav{display:flex;flex-direction:column;gap:4px;}
.drawer-nav a{
  padding:12px 14px;border-radius:12px;font-size:15px;color:#33415A;
  transition:background-color .18s ease,color .18s ease;
}
.drawer-nav a:hover{background:#F4F7FC;color:var(--ink);}
.drawer-nav a.active{background:#EFFBF6;color:var(--ink);font-weight:600;box-shadow:inset 3px 0 0 var(--brand);}
.drawer-actions{display:flex;gap:10px;margin-top:14px;}
.drawer-search{position:relative;margin-top:12px;}
.drawer-search input{width:100%;height:42px;padding:0 14px;border-radius:12px;background:#F4F7FC;border:1px solid var(--line);font-size:14px;color:var(--ink);}
.drawer-search input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,224,160,.18);}
@media (max-width:1099px){
  .main-nav,.nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-cta-secondary{display:none;}
}
@media (max-width:479px){
  .header-cta-primary{display:none;}
  .header-inner{height:64px;}
}

/* ---------- 通用标签 / 徽章 ---------- */
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.3px;
}
.tag-brand{background:rgba(47,224,160,.14);color:var(--brand-hi);border:1px solid rgba(47,224,160,.35);}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);color:var(--t-2);white-space:nowrap;
}
.badge-gold{background:rgba(245,185,66,.16);border-color:rgba(245,185,66,.45);color:var(--gold);}
.badge-brand{background:rgba(47,224,160,.14);border-color:rgba(47,224,160,.35);color:var(--brand-hi);}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;padding:72px 0 88px;background-color:var(--bg-0);
  background-image:linear-gradient(180deg,rgba(11,18,32,.74),rgba(11,18,32,.96)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;background-repeat:no-repeat;
}
.hero-inner{display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:center;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);margin-bottom:20px;}
.crumb a{transition:color .18s ease;}
.crumb a:hover{color:var(--brand-hi);}
.crumb .cur{color:var(--t-2);}
.hero-title{
  font-size:clamp(28px,3.6vw,46px);font-weight:800;line-height:1.22;
  letter-spacing:-.4px;color:#fff;margin:16px 0 14px;max-width:14em;
}
.hero-sub{font-size:17px;color:var(--t-2);margin:0 0 28px;}
.hero-btns{display:flex;gap:12px;flex-wrap:wrap;}
.hero-card{
  padding:28px;border-radius:var(--r-card);border:1px solid var(--glass-line);
  background:var(--glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.hero-card-title{font-size:15px;font-weight:600;color:var(--t-2);letter-spacing:.5px;}
.stat-list{display:grid;gap:14px;margin:18px 0 16px;}
.stat-list li{display:flex;align-items:baseline;gap:12px;padding-bottom:12px;border-bottom:1px dashed rgba(255,255,255,.12);}
.stat-list li:last-child{border-bottom:none;padding-bottom:0;}
.stat-num{font-size:28px;font-weight:800;color:var(--brand);letter-spacing:-.5px;}
.stat-label{font-size:14px;color:var(--t-2);}
.hero-card-note{font-size:13px;color:var(--t-3);margin:0 0 18px;}
@media (max-width:1023px){
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-title{max-width:none;}
  .page-hero{padding:56px 0 64px;}
}

/* ---------- 板块 ---------- */
.section{padding:96px 0;}
.section-alt{background-color:var(--bg-1);}
@media (max-width:767px){.section{padding:60px 0;}}
.sec-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.2px;
  color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.sec-title{font-size:clamp(24px,2.6vw,32px);font-weight:700;line-height:1.3;color:#fff;letter-spacing:-.2px;}
.sec-desc{margin-top:14px;font-size:16px;color:var(--t-2);max-width:44em;}
@media (max-width:767px){.sec-head{margin-bottom:32px;}}

/* ---------- 等级阶梯 ---------- */
.ladder{margin-top:8px;}
.ladder-item{position:relative;display:grid;grid-template-columns:84px 1fr;gap:20px;padding-bottom:26px;}
.ladder-item:last-child{padding-bottom:0;}
.ladder-item::before{
  content:"";position:absolute;left:41px;top:60px;bottom:-6px;width:2px;
  background:linear-gradient(180deg,rgba(47,224,160,.55),rgba(47,224,160,.06));
}
.ladder-item:last-child::before{display:none;}
.ladder-node{
  justify-self:center;display:grid;place-items:center;
  width:56px;height:56px;border-radius:999px;
  background:var(--bg-2);border:1px solid rgba(47,224,160,.35);
  color:var(--brand);font-weight:800;font-size:16px;
  box-shadow:0 0 24px rgba(47,224,160,.18);
}
.ladder-card{
  padding:24px 26px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--card-line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.ladder-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 30px rgba(47,224,160,.12);}
.ladder-card.is-top{border-color:rgba(245,185,66,.5);box-shadow:0 20px 60px rgba(0,0,0,.45),0 0 30px rgba(245,185,66,.14);}
.ladder-top{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.ladder-name{font-size:20px;font-weight:700;color:#fff;}
.ladder-gate{margin-top:10px;font-size:14px;color:var(--t-2);}
.ladder-gate b{color:var(--brand);font-size:16px;font-weight:700;margin-left:4px;}
.is-top .ladder-gate b{color:var(--gold);}
.tick-list{margin-top:16px;display:grid;gap:10px;}
.tick-list li{position:relative;padding-left:24px;font-size:15px;color:var(--t-2);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:7px;
  border-left:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(-45deg);border-radius:1px;
}
.link-more{display:inline-block;margin-top:18px;font-size:14px;font-weight:600;color:var(--brand);transition:color .18s ease;}
.link-more:hover{color:var(--brand-hi);text-decoration:underline;text-underline-offset:4px;}
@media (max-width:639px){
  .ladder-item{grid-template-columns:56px 1fr;gap:14px;}
  .ladder-item::before{left:27px;top:52px;}
  .ladder-node{width:44px;height:44px;font-size:14px;}
  .ladder-card{padding:20px;}
}

/* ---------- 规则说明卡 ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.rule-card{
  position:relative;padding:30px 28px;border-radius:var(--r-card);
  background:rgba(255,255,255,.045);border:1px solid var(--card-line);
  transition:transform .2s ease,border-color .2s ease,background-color .2s ease;
}
.rule-card:hover{transform:translateY(-4px);border-color:rgba(47,224,160,.3);background:rgba(255,255,255,.07);}
.rule-ico{
  display:grid;place-items:center;width:46px;height:46px;border-radius:14px;
  background:rgba(47,224,160,.12);border:1px solid rgba(47,224,160,.28);color:var(--brand);
  margin-bottom:18px;
}
.rule-card h3{font-size:19px;font-weight:600;color:#fff;margin-bottom:10px;}
.rule-card p{font-size:15px;color:var(--t-2);}
.rule-meta{display:block;margin-top:16px;font-size:13px;color:var(--t-3);}
@media (max-width:767px){.rule-grid{grid-template-columns:1fr;}}

/* ---------- 对比表 ---------- */
.table-shell{
  margin-top:32px;border-radius:var(--r-table);overflow:hidden;
  border:1px solid var(--card-line);background:var(--glass);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
}
.table-scroll{overflow-x:auto;}
.cmp-table{width:100%;min-width:880px;border-collapse:separate;border-spacing:0;font-size:15px;}
.cmp-table caption{text-align:left;}
.cmp-table thead th{
  position:sticky;top:0;z-index:3;background:#16233A;color:#fff;
  font-weight:600;font-size:15px;text-align:left;padding:16px 18px;
  border-bottom:1px solid rgba(255,255,255,.1);white-space:nowrap;
}
.cmp-table thead th:first-child{border-top-left-radius:var(--r-table);}
.cmp-table thead th:last-child{border-top-right-radius:var(--r-table);}
.cmp-table tbody th{
  position:sticky;left:0;z-index:2;background:#111C2F;color:var(--t-2);
  font-weight:500;text-align:left;padding:14px 18px;white-space:nowrap;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.cmp-table td{
  padding:14px 18px;color:var(--t-1);border-bottom:1px solid rgba(255,255,255,.06);
}
.cmp-table tbody tr:last-child th,
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table tr:hover td{background:rgba(255,255,255,.03);}
.cmp-table td.num{color:var(--brand);font-weight:600;}
.cmp-table td.mute{color:var(--t-3);}
.level-cards{display:none;}
.table-foot{display:flex;justify-content:flex-end;padding:18px;border-top:1px solid rgba(255,255,255,.08);}
@media (max-width:899px){
  .table-scroll{display:none;}
  .table-foot{display:none;}
  .table-shell{background:transparent;border:none;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;overflow:visible;}
  .level-cards{display:grid;gap:16px;margin-top:28px;}
  .level-card{
    padding:22px;border-radius:var(--r-card);background:var(--glass);
    border:1px solid var(--card-line);
  }
  .level-card.is-top{border-color:rgba(245,185,66,.45);}
  .level-card header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.1);}
  .level-card h3{font-size:18px;font-weight:700;color:#fff;}
  .level-card dl{margin-top:12px;display:grid;gap:10px;}
  .level-card dl div{display:flex;align-items:baseline;justify-content:space-between;gap:16px;font-size:14px;}
  .level-card dt{color:var(--t-3);}
  .level-card dd{color:var(--t-1);font-weight:500;}
  .level-card dd.num{color:var(--brand);font-weight:700;}
}

/* ---------- 图文差异区块 ---------- */
.inside-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:40px;}
.inside-card{
  overflow:hidden;border-radius:var(--r-card);border:1px solid var(--card-line);
  background:rgba(255,255,255,.045);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.inside-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.2);box-shadow:0 0 30px rgba(47,224,160,.12);}
.inside-media{position:relative;aspect-ratio:16/9;overflow:hidden;}
.inside-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.inside-card:hover .inside-media img{transform:scale(1.04);}
.inside-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,18,32,.05),rgba(11,18,32,.72));
}
.inside-body{padding:24px 26px 28px;}
.inside-body h3{font-size:19px;font-weight:600;color:#fff;margin-bottom:10px;}
.inside-body p{font-size:15px;color:var(--t-2);}
.inside-list{margin-top:16px;display:grid;gap:8px;}
.inside-list li{font-size:14px;color:var(--t-3);}
.inside-list li b{color:var(--brand);font-weight:600;}
@media (max-width:767px){.inside-grid{grid-template-columns:1fr;}}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:.85fr 1.6fr;gap:48px;align-items:start;}
.faq-list{display:grid;gap:14px;}
.faq-item{
  border-radius:16px;background:rgba(255,255,255,.05);
  border:1px solid var(--card-line);overflow:hidden;
  transition:background-color .2s ease,border-color .2s ease;
}
.faq-item.open{background:rgba(255,255,255,.09);border-color:rgba(47,224,160,.35);}
.faq-q{
  display:flex;width:100%;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:none;text-align:left;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--t-1);
  transition:padding .2s ease,border-color .2s ease;
}
.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:-2px;}
.faq-item.open .faq-q{border-left:4px solid var(--brand);padding-left:18px;}
.faq-sign{position:relative;flex:none;width:22px;height:22px;border-radius:999px;border:1px solid rgba(255,255,255,.25);}
.faq-sign::before,.faq-sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--t-1);
  transform:translate(-50%,-50%);transition:transform .2s ease,background-color .2s ease;
}
.faq-sign::before{width:10px;height:2px;}
.faq-sign::after{width:2px;height:10px;}
.faq-item.open .faq-sign{border-color:var(--brand);background:rgba(47,224,160,.16);}
.faq-item.open .faq-sign::after{transform:translate(-50%,-50%) scaleY(0);}
.faq-item.open .faq-sign::before{background:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 22px 20px;font-size:15px;color:var(--t-2);}
.faq-side{padding:26px;border-radius:var(--r-card);background:rgba(255,255,255,.045);border:1px solid var(--card-line);}
.faq-side h3{font-size:17px;font-weight:600;color:#fff;margin-bottom:12px;}
.faq-side p{font-size:14px;color:var(--t-2);margin-bottom:18px;}
@media (max-width:899px){.faq-layout{grid-template-columns:1fr;gap:28px;}}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;
  padding:48px;border-radius:24px;overflow:hidden;
  border:1px solid var(--card-line);
  background-image:linear-gradient(180deg,rgba(8,14,24,.88),rgba(8,14,24,.94)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow);
}
.cta-copy h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;color:#fff;line-height:1.3;}
.cta-copy p{margin-top:14px;font-size:16px;color:var(--t-2);max-width:34em;}
.cta-points{margin-top:22px;display:grid;gap:10px;}
.cta-points li{position:relative;padding-left:22px;font-size:15px;color:var(--t-2);}
.cta-points li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:8px;border-radius:999px;background:var(--brand);box-shadow:0 0 12px rgba(47,224,160,.6);}
.cta-form{
  padding:28px;border-radius:var(--r-card);
  background:rgba(255,255,255,.06);border:1px solid var(--glass-line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  display:grid;gap:16px;align-content:start;
}
.field{display:grid;gap:8px;}
.field label{font-size:13px;font-weight:600;color:var(--t-2);}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:12px;
  background:#0E1729;border:1px solid rgba(255,255,255,.14);
  color:var(--t-1);font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:92px;resize:vertical;line-height:1.7;}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,#A9B7CE 50%),linear-gradient(135deg,#A9B7CE 50%,transparent 50%);background-position:calc(100% - 20px) 50%,calc(100% - 14px) 50%;background-size:6px 6px,6px 6px;background-repeat:no-repeat;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,224,160,.18);
}
.form-note{font-size:13px;color:var(--t-3);}
.form-msg{font-size:13px;color:var(--brand);min-height:18px;}
@media (max-width:899px){
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:28px;}
}

/* ---------- 页脚 ---------- */
.site-footer{background:#080E18;border-top:1px solid rgba(255,255,255,.08);padding:64px 0 28px;color:var(--t-2);}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;}
.brand-ico{
  display:grid;place-items:center;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,#101B2E,#16233A);color:var(--brand);flex:none;
}
.footer-brand strong{display:block;font-size:16px;font-weight:700;}
.footer-brand em{display:block;font-style:normal;font-size:12px;color:var(--t-3);}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:var(--t-3);}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{display:inline-block;font-size:14px;color:var(--t-2);transition:color .18s ease,transform .18s ease;}
.footer-col a:hover{color:var(--brand);transform:translateX(-2px);}
.footer-col .line{font-size:14px;color:var(--t-3);}
.footer-bar{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:var(--t-3);
}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px;}}
@media (max-width:639px){.footer-grid{grid-template-columns:1fr;}}

/* ---------- 移动端底部条 ---------- */
.mobile-bar{display:none;}
@media (max-width:639px){
  .mobile-bar{
    display:flex;gap:10px;position:fixed;left:0;right:0;bottom:0;z-index:60;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    background:rgba(8,14,24,.95);border-top:1px solid rgba(255,255,255,.1);
    backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  }
  .mobile-bar .btn{flex:1;height:44px;font-size:14px;}
  .site-footer{padding-bottom:100px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --bg-0:#0B1220;
  --bg-1:#101B2E;
  --bg-2:#16233A;
  --mint:#2FE0A0;
  --mint-hover:#4BEFB4;
  --mint-press:#1FBE86;
  --amber:#F5B942;
  --coral:#FF5A3C;
  --t-1:#F2F6FF;
  --t-2:#A9B7CE;
  --t-3:#6C7C96;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.20);
  --glass:rgba(255,255,255,.06);
  --r-card:18px;
  --r-btn:12px;
  --r-tab:14px;
  --shadow-dark:0 20px 60px rgba(0,0,0,.45);
  --wrap:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,li{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--mint);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 32px;width:100%;}
@media (min-width:1536px){.wrap{max-width:1320px;}}
@media (max-width:640px){.wrap{padding:0 20px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#FFFFFF;
  border-bottom:1px solid #E6EAF2;
  box-shadow:0 1px 2px rgba(16,24,40,.06);
}
.header-inner{display:flex;align-items:center;gap:20px;height:76px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-ico{
  width:38px;height:38px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#0B1220,#16233A);
  color:var(--mint);
  box-shadow:inset 0 0 0 1px rgba(47,224,160,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:16px;font-weight:800;color:#0B1220;letter-spacing:.3px;}
.brand-text em{font-style:normal;font-size:11.5px;color:#63738C;letter-spacing:.2px;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{
  position:relative;
  padding:9px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:#4A5A72;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:#0B1220;background:#F1F5F9;}
.nav-link.active{color:#0B1220;font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--mint);
}
.header-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;width:216px;padding:0 14px;
  background:#F3F6FB;border:1px solid #E6EAF2;border-radius:999px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-box svg{flex-shrink:0;color:#7B8AA1;}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:#0B1220;
}
.search-box input::placeholder{color:#8C99AC;}
.search-box:focus-within{border-color:var(--mint);background:#fff;box-shadow:0 0 0 3px rgba(47,224,160,.18);}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid #E6EAF2;background:#fff;color:#0B1220;
  align-items:center;justify-content:center;
}
.drawer{display:none;border-top:1px solid #E6EAF2;background:#fff;padding:14px 20px 22px;}
.drawer.open{display:block;}
.drawer .nav-link{display:block;padding:12px 14px;font-size:16px;}
.drawer .nav-link.active::after{left:14px;right:auto;width:26px;}
.drawer-tools{display:flex;flex-direction:column;gap:10px;margin-top:14px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:999px;}
.btn-lg{height:52px;padding:0 28px;font-size:16px;border-radius:999px;}
.btn-primary{background:var(--mint);color:#07271E;box-shadow:0 0 24px rgba(47,224,160,.35);}
.btn-primary:hover{background:var(--mint-hover);box-shadow:0 0 36px rgba(47,224,160,.5);transform:translateY(-2px);}
.btn-primary:active{transform:translateY(1px);background:var(--mint-press);box-shadow:0 0 18px rgba(47,224,160,.32);}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.16);color:var(--t-1);}
.btn-ghost:hover{border-color:var(--mint);color:#fff;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-outline{background:#fff;border-color:#D8DFEA;color:#0B1220;}
.btn-outline:hover{border-color:var(--mint);}
.btn-outline:active{transform:translateY(1px);}
.btn:disabled{opacity:.4;box-shadow:none;cursor:not-allowed;}

/* ---------- hero ---------- */
.hero-inner{
  position:relative;
  min-height:470px;
  display:flex;align-items:center;
  background-image:linear-gradient(180deg,rgba(11,18,32,.72),rgba(11,18,32,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-inner-wrap{padding-top:56px;padding-bottom:56px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--t-3);margin-bottom:20px;}
.crumb a{color:var(--t-2);}
.crumb a:hover{color:var(--mint);}
.crumb span[aria-current]{color:var(--t-3);}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:600;
  color:var(--mint);background:rgba(47,224,160,.10);
  border:1px solid rgba(47,224,160,.28);
}
.hero-inner h1{
  margin-top:18px;
  font-size:46px;line-height:1.22;font-weight:800;letter-spacing:.4px;
  max-width:860px;
}
.hero-sub{margin-top:16px;font-size:17px;color:var(--t-2);max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;}
.stat{
  min-width:158px;padding:16px 20px;border-radius:var(--r-tab);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.stat b{display:block;font-size:26px;font-weight:800;color:var(--mint);}
.stat span{font-size:13px;color:var(--t-2);}

/* ---------- sections ---------- */
.sec{padding:88px 0;}
.sec-tight{padding:72px 0;}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head h2{font-size:30px;font-weight:700;letter-spacing:.3px;}
.sec-head p{margin-top:12px;color:var(--t-2);font-size:15.5px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;color:var(--mint);letter-spacing:2px;margin-bottom:12px;}
@media (max-width:1023px){.sec{padding:72px 0;}.sec-tight{padding:60px 0;}}
@media (max-width:640px){
  .sec{padding:56px 0;}.sec-tight{padding:52px 0;}
  .hero-inner{min-height:auto;}
  .hero-inner-wrap{padding-top:44px;padding-bottom:44px;}
  .hero-inner h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .sec-head h2{font-size:24px;}
}

/* ---------- timeline (服务承诺) ---------- */
.timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.tl-item{
  position:relative;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px 26px;
  backdrop-filter:blur(12px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.tl-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 0 0 1px rgba(47,224,160,.18),0 18px 46px rgba(0,0,0,.4);}
.tl-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:13px;
  font-size:15px;font-weight:800;color:#07271E;background:var(--mint);
  box-shadow:0 0 22px rgba(47,224,160,.35);
}
.tl-item h3{margin-top:18px;font-size:18px;font-weight:600;}
.tl-item p{margin-top:10px;font-size:14.5px;color:var(--t-2);}
.tl-line{position:absolute;top:50px;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(47,224,160,.4),rgba(47,224,160,0));z-index:0;}
@media (max-width:1023px){.timeline{grid-template-columns:1fr;}.tl-line{display:none;}}

/* ---------- FAQ layout ---------- */
.faq-layout{display:grid;grid-template-columns:266px minmax(0,1fr);gap:32px;align-items:start;}
.toc{position:sticky;top:104px;}
.toc-title{font-size:13px;font-weight:600;letter-spacing:1.5px;color:var(--t-3);margin-bottom:14px;}
.toc-link{
  display:flex;align-items:center;gap:10px;
  padding:11px 14px;border-radius:12px;
  font-size:15px;color:var(--t-2);
  border:1px solid transparent;
  transition:color .18s ease,background .18s ease,border-color .18s ease,transform .18s ease;
}
.toc-link::before{content:"";width:6px;height:6px;border-radius:50%;background:#35455E;}
.toc-link:hover{color:var(--t-1);background:rgba(255,255,255,.05);transform:translateX(2px);}
.toc-link.active{color:var(--t-1);background:rgba(47,224,160,.08);border-color:rgba(47,224,160,.28);}
.toc-link.active::before{background:var(--mint);}
.toc-card{
  margin-top:22px;padding:20px;border-radius:var(--r-card);
  background:var(--glass);border:1px solid var(--line);
}
.toc-card h4{font-size:14px;font-weight:600;}
.toc-card p{margin-top:8px;font-size:13.5px;color:var(--t-2);line-height:1.75;}

.faq-group{margin-bottom:44px;}
.faq-group:last-child{margin-bottom:0;}
.group-head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.group-head h2{font-size:24px;font-weight:700;}
.group-badge{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;font-weight:600;color:var(--amber);
  background:rgba(245,185,66,.10);border:1px solid rgba(245,185,66,.3);
}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-tab);
  background:var(--glass);margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.open{background:rgba(255,255,255,.09);border-color:rgba(47,224,160,.32);}
.faq-q{font-size:16px;font-weight:600;}
.faq-btn{
  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;
}
.faq-ico{
  position:relative;flex-shrink:0;width:22px;height:22px;border-radius:50%;
  border:1px solid rgba(255,255,255,.24);
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.faq-ico::before,.faq-ico::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--t-2);
  transform:translate(-50%,-50%);
}
.faq-ico::before{width:10px;height:1.6px;}
.faq-ico::after{width:1.6px;height:10px;transition:opacity .2s ease;}
.faq-btn[aria-expanded="true"] .faq-ico{transform:rotate(180deg);border-color:var(--mint);background:rgba(47,224,160,.12);}
.faq-btn[aria-expanded="true"] .faq-ico::before,.faq-btn[aria-expanded="true"] .faq-ico::after{background:var(--mint);}
.faq-btn[aria-expanded="true"] .faq-ico::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a-inner{padding:0 20px 20px 20px;border-left:4px solid transparent;transition:border-color .2s ease;}
.faq-item.open .faq-a-inner{border-left-color:var(--mint);}
.faq-a-inner p{font-size:15px;color:var(--t-2);line-height:1.8;}
.faq-a-inner p + p{margin-top:10px;}

@media (max-width:1023px){
  .faq-layout{grid-template-columns:1fr;}
  .toc{position:static;}
  .group-head h2{font-size:21px;}
}

/* ---------- trust block ---------- */
.trust-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
.trust-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow-dark);position:relative;
}
.trust-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.trust-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;font-size:13px;color:var(--t-2);
  background:linear-gradient(180deg,rgba(11,18,32,0),rgba(11,18,32,.92));
}
.trust-list li{
  display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed rgba(255,255,255,.10);
}
.trust-list li:last-child{border-bottom:0;}
.trust-list .dot{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;margin-top:3px;
  background:rgba(47,224,160,.12);color:var(--mint);
}
.trust-list h3{font-size:16px;font-weight:600;}
.trust-list p{margin-top:6px;font-size:14.5px;color:var(--t-2);}
@media (max-width:1023px){.trust-grid{grid-template-columns:1fr;gap:28px;}}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:22px;border:1px solid rgba(255,255,255,.10);
  background-image:linear-gradient(120deg,rgba(11,18,32,.92),rgba(11,18,32,.76)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  box-shadow:var(--shadow-dark);
  padding:48px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center;
}
.cta-panel h2{font-size:28px;font-weight:700;}
.cta-panel p{margin-top:12px;color:var(--t-2);font-size:15.5px;max-width:520px;}
.cta-form{background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;backdrop-filter:blur(12px);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13.5px;color:var(--t-2);margin-bottom:7px;}
.field input{
  width:100%;height:46px;padding:0 14px;border-radius:var(--r-btn);
  background:#0E1729;border:1px solid rgba(255,255,255,.12);color:var(--t-1);
  font-size:15px;outline:none;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:#5C6B84;}
.field input:focus{border-color:var(--mint);box-shadow:0 0 0 3px rgba(47,224,160,.18);}
.field .err{margin-top:6px;font-size:12.5px;color:var(--coral);display:none;}
.field.has-error input{border-color:var(--coral);}
.field.has-error .err{display:block;}
.form-hint{margin-top:12px;font-size:12.5px;color:var(--t-3);}
@media (max-width:1023px){.cta-panel{grid-template-columns:1fr;padding:34px 24px;}}
@media (max-width:640px){.cta-panel h2{font-size:22px;}}

/* ---------- footer ---------- */
.site-footer{background:#080E18;border-top:1px solid var(--line);padding-top:64px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;}
.footer-brand .brand-ico{background:rgba(47,224,160,.10);}
.footer-brand strong{display:block;font-size:16px;font-weight:800;color:var(--t-1);}
.footer-brand em{font-style:normal;font-size:12px;color:var(--t-3);}
.footer-desc{margin-top:16px;font-size:14px;color:var(--t-2);line-height:1.8;max-width:380px;}
.footer-col h4{font-size:14px;font-weight:600;color:var(--t-1);margin-bottom:16px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a,.footer-col ul li.line{font-size:14px;color:var(--t-2);transition:color .18s ease,transform .18s ease;display:inline-block;}
.footer-col ul li a:hover{color:var(--mint);transform:translateX(-3px);}
.footer-bar{
  margin-top:48px;padding:20px 0 28px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:var(--t-3);
}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:640px){.footer-grid{grid-template-columns:1fr;gap:28px;}.footer-bar{flex-direction:column;}}

/* ---------- mobile bar ---------- */
.mobile-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;
  padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:rgba(8,14,24,.94);border-top:1px solid var(--line);
  backdrop-filter:blur(12px);
}
.mobile-bar .btn{width:100%;}
@media (max-width:640px){
  .mobile-bar{display:block;}
  body{padding-bottom:76px;}
}

@media (max-width:1023px){
  .main-nav,.search-box,.header-tools .btn-outline{display:none;}
  .menu-toggle{display:flex;}
  .header-tools{margin-left:auto;}
}
@media (max-width:640px){
  .header-tools .btn-primary{display:none;}
  .brand-text em{display:none;}
  .header-inner{height:66px;}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}