/* roulang page: index */
:root{
  --bg:#0A0E12;
  --panel:#121A21;
  --card:#16202A;
  --line:#1F2C36;
  --line-soft:#18242D;
  --green:#17E6A6;
  --green-dark:#10B884;
  --green-glow:rgba(23,230,166,.28);
  --orange:#FF7A29;
  --text:#EAF2F0;
  --text-2:#9FB2AE;
  --text-3:#6B7C7A;
  --btn-ink:#06231A;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-1:0 8px 22px rgba(0,0,0,.38);
  --sh-2:0 14px 34px rgba(0,0,0,.5);
  --font-title:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.9;
  letter-spacing:0;
  background-image:radial-gradient(900px 420px at 80% -6%, rgba(23,230,166,.10), transparent 62%),radial-gradient(700px 380px at 0% 22%, rgba(255,122,41,.05), transparent 65%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--green);text-decoration:none;transition:color .18s ease,opacity .18s ease}
a:hover{color:var(--green-dark)}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{font-family:var(--font-title);color:var(--text);margin:0;font-weight:800;letter-spacing:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
:focus-visible{outline:2px solid var(--green);outline-offset:2px;border-radius:6px}
figcaption{font-size:13px;color:var(--text-3);line-height:1.7}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:88px 0;position:relative}
.section--tight{padding:64px 0}
.section--panel{background:var(--panel);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px;flex-wrap:wrap}
.sec-title{font-size:clamp(24px,3.2vw,34px);line-height:1.3;position:relative;padding-left:16px}
.sec-title::before{content:"";position:absolute;left:0;top:6px;width:4px;height:22px;border-radius:2px;background:var(--green);box-shadow:0 0 12px var(--green-glow)}
.sec-sub{margin-top:12px;color:var(--text-2);font-size:15px;max-width:760px}
.sec-link{font-size:14px;color:var(--text-2);display:inline-flex;align-items:center;gap:8px;white-space:nowrap}
.sec-link:hover{color:var(--green)}
.divider{height:1px;background:linear-gradient(90deg,rgba(23,230,166,0),var(--green),rgba(23,230,166,0));border:0;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--green);letter-spacing:.04em}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:13px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:700;border:1px solid transparent;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;line-height:1.2}
.btn-primary{background:var(--green);color:var(--btn-ink);border-color:var(--green)}
.btn-primary:hover{background:#2BF5B5;color:var(--btn-ink);box-shadow:0 0 18px var(--green-glow);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:rgba(23,230,166,.08);color:var(--green);transform:translateY(-2px)}
.btn-orange{background:var(--orange);color:#26100A;border-color:var(--orange)}
.btn-orange:hover{background:#FF8E49;color:#26100A;box-shadow:0 0 18px rgba(255,122,41,.35);transform:translateY(-2px)}
.btn-sm{padding:9px 16px;font-size:14px}

.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);font-size:12px;line-height:1.7;letter-spacing:.02em}
.badge-line{border:1px solid rgba(23,230,166,.45);color:var(--green);background:rgba(23,230,166,.06)}
.badge-orange{border:1px solid rgba(255,122,41,.5);color:var(--orange);background:rgba(255,122,41,.08)}
.badge-plain{border:1px solid var(--line);color:var(--text-2);background:var(--line-soft)}

/* 顶部导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(10,14,18,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.site-header::after{content:"";display:block;height:1px;background:linear-gradient(90deg,rgba(23,230,166,0),var(--green),rgba(23,230,166,0))}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:17px;letter-spacing:.01em}
.logo:hover{color:var(--text)}
.logo-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:9px;background:linear-gradient(140deg,rgba(23,230,166,.9),rgba(16,184,132,.6));color:var(--btn-ink);font-size:13px;font-weight:900;letter-spacing:.04em}
.logo-text{white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.main-nav a{position:relative;display:inline-block;padding:10px 14px;font-size:15px;color:var(--text-2);border-radius:8px}
.main-nav a:hover{color:var(--text);background:rgba(23,230,166,.06)}
.main-nav a.is-active{color:var(--green)}
.main-nav a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--green);box-shadow:0 0 10px var(--green-glow)}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:12px}
.nav-toggle{display:none;width:42px;height:38px;border:1px solid var(--green);border-radius:9px;color:var(--green);align-items:center;justify-content:center;font-size:16px}
.drawer{position:fixed;top:0;right:0;bottom:0;width:290px;max-width:84vw;background:var(--panel);border-left:1px solid var(--line);transform:translateX(102%);transition:transform .26s ease;z-index:120;padding:24px 20px;overflow-y:auto}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-title{font-weight:800;color:var(--text);font-size:16px}
.drawer-close{color:var(--text-2);font-size:18px;width:36px;height:36px;border:1px solid var(--line);border-radius:9px;display:inline-flex;align-items:center;justify-content:center}
.drawer-nav a{display:block;padding:14px 14px;border-left:2px solid transparent;color:var(--text-2);border-radius:8px;font-size:15px}
.drawer-nav a:hover,.drawer-nav a.is-active{color:var(--green);border-left-color:var(--green);background:rgba(23,230,166,.06)}
.drawer-cta{margin-top:22px;display:block}
.mask{position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:110}
.mask.is-open{opacity:1;visibility:visible}

/* Hero */
.hero{padding:72px 0 64px;position:relative;overflow:hidden}
.hero-grid{display:flex;flex-wrap:wrap;margin:0 -16px;align-items:center}
.hero-col{width:100%;padding:0 16px}
.hero-title{font-size:clamp(34px,5.2vw,56px);line-height:1.15;font-weight:800;margin:18px 0 0}
.hero-title em{font-style:normal;color:var(--green);text-shadow:0 0 24px var(--green-glow)}
.hero-sub{margin-top:20px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.trust-row{display:flex;flex-wrap:wrap;gap:12px 22px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line-soft)}
.trust-item{display:inline-flex;align-items:center;gap:9px;font-size:14px;color:var(--text-2)}
.trust-item i{color:var(--green);font-size:14px}
.hero-visual{position:relative}
.hero-figure{position:relative;border-radius:18px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2)}
.hero-figure img{width:100%;height:420px;object-fit:cover;border-radius:0}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,18,.28),rgba(10,14,18,.82))}
.hero-float{position:absolute;left:20px;right:20px;bottom:20px;background:rgba(18,26,33,.94);border:1px solid rgba(23,230,166,.35);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--sh-1);backdrop-filter:blur(6px)}
.float-head{display:flex;align-items:center;gap:9px;font-size:14px;color:var(--green);font-weight:700;margin-bottom:12px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green-glow);animation:breathe 2.6s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.45}}
.float-list li{display:flex;justify-content:space-between;gap:14px;font-size:13.5px;color:var(--text-2);padding:7px 0;border-bottom:1px dashed var(--line-soft)}
.float-list li:last-child{border-bottom:0}
.float-list b{color:var(--text);font-weight:600}

/* 刻度条 */
.ticks{display:flex;flex-wrap:wrap;margin:0 -14px}
.tick{width:25%;padding:0 14px;position:relative}
.tick + .tick::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:1px;background:var(--line-soft)}
.tick-num{font-family:var(--font-title);font-size:38px;line-height:1;font-weight:800;color:transparent;-webkit-text-stroke:1px rgba(23,230,166,.75);letter-spacing:.02em;font-variant-numeric:tabular-nums}
.tick h3{font-size:18px;margin:14px 0 8px;line-height:1.45}
.tick p{font-size:14px;color:var(--text-2);line-height:1.85}

/* 阶梯 */
.ladder{border-top:1px solid var(--line-soft)}
.ladder-item{display:flex;gap:28px;padding:30px 0;border-bottom:1px solid var(--line-soft);transition:background .2s ease}
.ladder-item:hover{background:rgba(23,230,166,.03)}
.ladder-num{flex:0 0 96px;font-family:var(--font-title);font-size:52px;line-height:1;font-weight:800;color:transparent;-webkit-text-stroke:1.4px rgba(23,230,166,.6);font-variant-numeric:tabular-nums}
.ladder-item:nth-child(3) .ladder-num{-webkit-text-stroke-color:rgba(23,230,166,.85)}
.ladder-item:nth-child(4) .ladder-num{-webkit-text-stroke-color:rgba(255,122,41,.85)}
.ladder-body h3{font-size:19px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.ladder-body p{margin-top:10px;color:var(--text-2);font-size:15px;max-width:760px}
.ladder-body .badge{margin-top:14px}

/* 对比表 */
.cmp-wrap{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--card);box-shadow:var(--sh-1)}
table.cmp-table{width:100%;border-collapse:collapse;margin:0;font-size:15px}
.cmp-table thead th{background:#101820;color:var(--text-2);font-weight:700;font-size:14px;text-align:left;padding:16px 18px;border-bottom:1px solid var(--line)}
.cmp-table thead th.is-best{color:var(--green);position:relative}
.cmp-table tbody td{padding:15px 18px;border-bottom:1px solid var(--line-soft);color:var(--text-2);vertical-align:top}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr{transition:background .18s ease}
.cmp-table tbody tr:hover{background:rgba(23,230,166,.045)}
.cmp-table td:first-child{color:var(--text);font-weight:600}
.cmp-table .col-best{background:rgba(23,230,166,.05);color:var(--text)}
.cmp-table thead th.col-best{border-top:2px solid var(--green)}
.cmp-note{font-size:13px;color:var(--text-3);margin-top:14px}

/* 自检清单 */
.check-strip{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--panel)}
.check-item{flex:1 1 220px;padding:24px 22px;border-right:1px solid var(--line-soft);position:relative;transition:background .2s ease}
.check-item:last-child{border-right:0}
.check-item:hover{background:rgba(23,230,166,.04)}
.check-item i{color:var(--green);font-size:16px}
.check-item h3{font-size:16px;margin:12px 0 8px}
.check-item p{font-size:14px;color:var(--text-2);line-height:1.8}

/* 限时条 */
.limit-bar{position:relative;overflow:hidden;border:1px solid rgba(255,122,41,.4);border-radius:var(--r-card);background:linear-gradient(100deg,rgba(255,122,41,.16),rgba(23,230,166,.1) 62%,rgba(18,26,33,.9));padding:28px 30px}
.limit-bar::before{content:"";position:absolute;inset:0;background:radial-gradient(420px 160px at 12% 50%,rgba(255,122,41,.22),transparent 70%);pointer-events:none}
.limit-inner{position:relative;display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between}
.limit-copy h2{font-size:clamp(20px,2.6vw,26px);line-height:1.4}
.limit-copy p{margin-top:10px;color:var(--text-2);font-size:14.5px;max-width:520px}
.countdown{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}
.cd-block{display:inline-flex;align-items:baseline;gap:4px;background:rgba(10,14,18,.72);border:1px solid rgba(23,230,166,.35);border-radius:10px;padding:8px 12px}
.cd-block b{font-size:24px;font-weight:800;color:var(--green);font-variant-numeric:tabular-nums;letter-spacing:.02em;min-width:34px;text-align:center}
.cd-block i{font-style:normal;font-size:12px;color:var(--text-3)}
.cd-sep{color:var(--text-3);font-weight:700}

/* 最新信息 */
.news-grid{display:flex;flex-wrap:wrap;margin:0 -12px}
.news-col{width:33.3333%;padding:0 12px;margin-bottom:24px}
.news-card{display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;position:relative;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;box-shadow:var(--sh-1)}
.news-card::before{content:"";position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--green),rgba(23,230,166,0));transform:scaleX(0);transform-origin:left;transition:transform .28s ease}
.news-card:hover{transform:translateY(-4px);border-color:rgba(23,230,166,.5);box-shadow:var(--sh-2)}
.news-card:hover::before{transform:scaleX(1)}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/10;background:#0d141a}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto}
.news-title{font-size:18px;line-height:1.5;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--green)}
.news-desc{font-size:14px;color:var(--text-2);line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:18px}
.news-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line-soft)}
.meta-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.02em}
.more{font-size:13.5px;color:var(--green);display:inline-flex;align-items:center;gap:7px}
.more:hover{gap:10px}
.news-empty{border:1px dashed var(--line);border-radius:var(--r-card);padding:44px 24px;text-align:center;color:var(--text-2);background:var(--panel);width:100%}
.news-empty i{font-size:22px;color:var(--green);display:block;margin-bottom:14px}
.news-empty p{margin-bottom:18px}

/* FAQ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{position:relative;border-bottom:1px solid var(--line);padding-left:18px}
.faq-item::before{content:"";position:absolute;left:0;top:20px;bottom:20px;width:3px;border-radius:2px;background:var(--line);transition:background .2s ease,box-shadow .2s ease}
.faq-item[open]::before{background:var(--green);box-shadow:0 0 12px var(--green-glow)}
.faq-item summary{list-style:none;cursor:pointer;padding:22px 44px 22px 0;font-size:17px;font-weight:700;color:var(--text);position:relative;transition:color .2s ease}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::marker{content:""}
.faq-item summary::after{content:"+";position:absolute;right:8px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:22px;font-weight:400;line-height:1;transition:color .2s ease,transform .2s ease}
.faq-item[open] summary{color:var(--green)}
.faq-item[open] summary::after{content:"–";color:var(--green)}
.faq-body{padding:0 30px 24px 0;color:var(--text-2);font-size:15px;line-height:1.9}

/* 表单 */
.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:30px;box-shadow:var(--sh-1)}
.form-grid{display:flex;flex-wrap:wrap;margin:0 -10px}
.field{width:100%;padding:0 10px;margin-bottom:20px}
.field-half{width:50%}
.field label{display:block;font-size:14px;color:var(--text-2);margin-bottom:9px}
.field input,.field select,.field textarea{width:100%;background:#0E161C;border:1px solid var(--line);border-radius:var(--r-btn);padding:13px 15px;font-size:15px;color:var(--text);transition:border-color .18s ease,box-shadow .18s ease;appearance:none}
.field textarea{min-height:120px;resize:vertical;line-height:1.8}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(23,230,166,.16)}
.field input::placeholder,.field textarea::placeholder{color:#54635F}
.field select{background-image:linear-gradient(45deg,transparent 50%,var(--text-3) 50%),linear-gradient(135deg,var(--text-3) 50%,transparent 50%);background-position:calc(100% - 20px) 20px,calc(100% - 14px) 20px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;padding:0 10px}
.form-note{font-size:13px;color:var(--text-3);line-height:1.8}
.form-tip{margin:0 10px 18px;padding:12px 16px;border-radius:var(--r-btn);background:rgba(23,230,166,.08);border:1px solid rgba(23,230,166,.35);color:var(--green);font-size:14px;display:none}
.form-tip.is-show{display:block}
.form-side h2{font-size:clamp(22px,3vw,28px);line-height:1.35}
.form-side p{margin-top:16px;color:var(--text-2);font-size:15px}
.form-side .side-list{margin-top:26px}
.form-side .side-list li{position:relative;padding-left:22px;color:var(--text-2);font-size:14.5px;margin-bottom:12px}
.form-side .side-list li::before{content:"";position:absolute;left:0;top:12px;width:8px;height:8px;border-radius:2px;background:var(--green);box-shadow:0 0 8px var(--green-glow)}

/* 页脚 */
.site-footer{background:#070A0D;border-top:1px solid var(--line);position:relative;margin-top:0}
.site-footer::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;background:linear-gradient(90deg,rgba(23,230,166,0),var(--green),rgba(23,230,166,0))}
.footer-grid{display:flex;flex-wrap:wrap;margin:0 -14px;padding:64px 0 44px}
.footer-col{width:33.3333%;padding:0 14px}
.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--text)}
.footer-brand:hover{color:var(--text)}
.footer-col p{margin-top:16px;font-size:14px;color:var(--text-2);line-height:1.9;max-width:340px}
.footer-title{font-size:15px;color:var(--text);font-weight:700;margin-bottom:18px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--green)}
.footer-meta li{font-size:14px;color:var(--text-2);margin-bottom:12px;display:flex;gap:10px;align-items:flex-start}
.footer-meta i{color:var(--green);margin-top:6px;font-size:13px}
.footer-bottom{border-top:1px solid var(--line-soft);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center}
.footer-bottom p{margin:0;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--green)}

/* 响应式 */
@media (min-width:1025px){
  .hero-col-6{width:58.3333%}
  .hero-col-6 + .hero-col-6{width:41.6667%}
  .form-col-5{width:41.6667%}
  .form-col-7{width:58.3333%}
}
@media (min-width:769px) and (max-width:1024px){
  .news-col{width:50%}
  .tick{width:50%}
  .tick:nth-child(3)::before{display:none}
}
@media (max-width:1024px){
  .section{padding:64px 0}
  .hero{padding:56px 0 48px}
  .hero-figure img{height:360px}
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn{display:none}
}
@media (max-width:768px){
  .hero-col-6{width:100%}
  .hero-col-6 + .hero-col-6{margin-top:38px}
  .form-col-5,.form-col-7{width:100%}
  .form-col-5{margin-bottom:32px}
  .footer-col{width:100%;margin-bottom:34px}
  .footer-col:last-child{margin-bottom:0}
  .ladder-item{flex-direction:column;gap:12px;padding:26px 0}
  .ladder-num{flex:none;font-size:42px}
  .check-item{flex:1 1 100%;border-right:0;border-bottom:1px solid var(--line-soft)}
  .check-item:last-child{border-bottom:0}
  .cmp-wrap{background:transparent;border:0;box-shadow:none;overflow:visible}
  table.cmp-table thead{display:none}
  table.cmp-table, table.cmp-table tbody, table.cmp-table tr, table.cmp-table td{display:block;width:100%}
  table.cmp-table tr{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:8px 16px;margin-bottom:16px}
  table.cmp-table td{border-bottom:1px dashed var(--line-soft);padding:11px 0;display:flex;justify-content:space-between;gap:16px}
  table.cmp-table td:last-child{border-bottom:0}
  table.cmp-table td::before{content:attr(data-label);color:var(--text-3);font-size:13px;flex:0 0 36%}
  table.cmp-table td.col-best{background:transparent}
  table.cmp-table td:first-child{color:var(--green);font-size:16px}
  .limit-bar{padding:24px 20px}
  .limit-inner{gap:18px}
  .form-card{padding:22px}
  .field-half{width:100%}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .news-col{width:100%}
  .tick{width:100%;padding:18px 0}
  .tick + .tick::before{left:0;right:0;top:0;bottom:auto;width:auto;height:1px}
  .hero-title{font-size:32px}
  .trust-row{gap:10px 16px}
  .cd-block b{font-size:20px;min-width:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: article */
:root{
  --bg:#0A0E12;
  --panel:#121A21;
  --card:#16202A;
  --line:#1F2C36;
  --line-weak:#18242D;
  --accent:#17E6A6;
  --accent-dark:#10B884;
  --accent-glow:rgba(23,230,166,.28);
  --warn:#FF7A29;
  --text:#EAF2F0;
  --text-2:#9FB2AE;
  --text-3:#6B7C7A;
  --on-accent:#06231A;
  --radius-card:14px;
  --radius-btn:10px;
  --shadow-1:0 8px 22px rgba(0,0,0,.38);
  --shadow-2:0 14px 34px rgba(0,0,0,.5);
  --space-1:8px;
  --space-2:16px;
  --space-3:24px;
  --space-4:32px;
  --space-5:48px;
  --space-6:64px;
  --space-7:88px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font);
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 480px at 78% -10%, rgba(23,230,166,.10), transparent 62%),
    radial-gradient(700px 420px at -8% 22%, rgba(255,122,41,.06), transparent 60%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--accent);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--accent-dark);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;letter-spacing:0;line-height:1.3;}
p{margin:0 0 1.25em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
  position:relative;
  z-index:1;
}
.section{padding:var(--space-7) 0;}
.section-tight{padding:var(--space-5) 0;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-4);}
.section-title{position:relative;padding-left:16px;font-size:clamp(22px,3vw,30px);}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:22px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent),rgba(23,230,166,.25));
  box-shadow:0 0 14px var(--accent-glow);
}
.section-sub{color:var(--text-2);font-size:14px;margin:10px 0 0;max-width:640px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase;}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(10,14,18,.92);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line-weak);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,166,.85),transparent);
  opacity:.85;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:16px;letter-spacing:.01em;}
.logo:hover{color:var(--text);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;
  background:linear-gradient(135deg,var(--accent),#0FC48C);
  color:var(--on-accent);font-size:13px;font-weight:900;letter-spacing:.04em;
  box-shadow:0 0 16px var(--accent-glow);
}
.logo-text{white-space:nowrap;}
.main-nav{display:flex;align-items:center;gap:4px;}
.main-nav a{
  position:relative;display:inline-block;
  padding:10px 14px;border-radius:8px;
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:color .18s ease,background .18s ease;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.main-nav a.is-active{color:var(--accent);}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 12px var(--accent-glow);
}
.nav-actions{position:relative;z-index:90;display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;border-radius:9px;
  background:transparent;border:1px solid var(--accent);color:var(--accent);
  font-size:16px;cursor:pointer;transition:background .18s ease;
}
.nav-toggle:hover{background:rgba(23,230,166,.1);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
}
.btn-sm{padding:10px 18px;font-size:14px;}
.btn-primary{background:var(--accent);color:var(--on-accent);box-shadow:0 6px 18px rgba(23,230,166,.22);}
.btn-primary:hover{background:#22F2B2;color:var(--on-accent);box-shadow:0 0 20px var(--accent-glow);transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:var(--accent);color:var(--accent);}
.btn-ghost:hover{background:rgba(23,230,166,.1);color:var(--accent);transform:translateY(-1px);}
.btn-warn{background:var(--warn);color:#22110A;box-shadow:0 6px 18px rgba(255,122,41,.22);}
.btn-warn:hover{background:#FF8C46;color:#22110A;transform:translateY(-1px);}

/* ===== 文章页头部 ===== */
.page-banner{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:linear-gradient(180deg,rgba(18,26,33,.65),rgba(10,14,18,.95));
}
.page-banner img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,14,18,.5),rgba(10,14,18,.96) 72%);
}
.page-banner .container{position:relative;z-index:2;padding-top:var(--space-5);padding-bottom:var(--space-5);}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:var(--text-3);opacity:.7;}
.breadcrumb .current{color:var(--text-2);}
.tag{
  display:inline-flex;align-items:center;
  padding:5px 13px;border-radius:999px;border:1px solid rgba(23,230,166,.45);
  color:var(--accent);font-size:12.5px;letter-spacing:.06em;
  background:rgba(23,230,166,.06);
}
.article-h1{
  font-size:clamp(26px,3.6vw,40px);line-height:1.32;font-weight:800;
  margin:18px 0 18px;max-width:940px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;color:var(--text-3);font-size:13.5px;}
.meta-row .num{font-variant-numeric:tabular-nums;letter-spacing:.02em;color:var(--text-2);}
.meta-row i{color:var(--accent);margin-right:6px;}
.hr-neon{
  height:1px;border:0;margin:26px 0 0;
  background:linear-gradient(90deg,rgba(23,230,166,.75),rgba(23,230,166,.05) 60%,transparent);
}

/* ===== 文章布局 ===== */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start;}
.reading{max-width:760px;min-width:0;}
.article-body{color:var(--text);font-size:16px;line-height:1.92;}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.3em;}
.article-body h2{
  position:relative;padding-left:16px;margin:44px 0 18px;
  font-size:clamp(20px,2.4vw,26px);line-height:1.4;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:20px;border-radius:2px;
  background:linear-gradient(180deg,var(--accent),rgba(23,230,166,.2));
  box-shadow:0 0 12px var(--accent-glow);
}
.article-body h3{margin:32px 0 12px;font-size:19px;font-weight:700;color:#F4FBF9;}
.article-body h4{margin:24px 0 10px;font-size:16.5px;font-weight:700;color:var(--text-2);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:1.35em;}
.article-body ul li{list-style:none;position:relative;margin-bottom:.55em;}
.article-body ul li::before{
  content:"";position:absolute;left:-1.05em;top:.82em;width:6px;height:6px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 8px var(--accent-glow);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:.55em;padding-left:.2em;}
.article-body ol li::marker{color:var(--accent);font-weight:700;}
.article-body blockquote{
  margin:0 0 1.4em;padding:18px 22px;
  border-left:3px solid var(--accent);border-radius:0 12px 12px 0;
  background:rgba(23,230,166,.05);color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:8px 0 10px;}
.article-body figure{margin:0 0 1.5em;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:8px;}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px;}
.article-body a:hover{color:#22F2B2;}
.article-body table{
  width:100%;border-collapse:collapse;margin:0 0 1.6em;font-size:14.5px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{background:#101A22;color:var(--accent);font-weight:700;text-align:left;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-weak);vertical-align:top;}
.article-body tbody tr:hover{background:rgba(23,230,166,.04);}
.article-body code{
  background:#0F171E;border:1px solid var(--line-weak);border-radius:6px;
  padding:2px 6px;font-size:14px;color:#8FF3D6;
}
.article-body strong{color:#F7FFFD;font-weight:700;}

/* ===== 空态 ===== */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--radius-card);
  background:var(--panel);padding:56px 28px;text-align:center;
}
.empty-state .icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(23,230,166,.08);color:var(--accent);font-size:22px;
  border:1px solid rgba(23,230,166,.35);
}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);max-width:460px;margin:0 auto 22px;}

/* ===== 侧栏 ===== */
.sidebar{position:sticky;top:96px;display:grid;gap:18px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
}
.side-card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,rgba(23,230,166,.85),transparent);
}
.side-title{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--text);}
.side-list li + li{border-top:1px solid var(--line-weak);}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 0;color:var(--text-2);font-size:14.5px;
}
.side-list a:hover{color:var(--accent);}
.side-list i{font-size:12px;color:var(--text-3);}
.side-card p{color:var(--text-2);font-size:14px;margin-bottom:16px;}
.side-points li{
  display:flex;gap:10px;padding:9px 0;color:var(--text-2);font-size:14px;
  border-bottom:1px dashed var(--line-weak);
}
.side-points li:last-child{border-bottom:0;}
.side-points i{color:var(--accent);margin-top:6px;font-size:11px;}
.side-card .btn{width:100%;}

/* ===== 标签与翻页 ===== */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.tag-row .tag{color:var(--text-2);border-color:var(--line);background:rgba(255,255,255,.02);}
.tag-row .tag:hover{color:var(--accent);border-color:rgba(23,230,166,.45);}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:32px;}
.post-nav a{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;color:var(--text);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.post-nav a:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);color:var(--text);}
.post-nav span{display:block;font-size:12.5px;color:var(--text-3);letter-spacing:.08em;margin-bottom:8px;}
.post-nav strong{font-size:15.5px;font-weight:700;line-height:1.6;}

/* ===== 推荐卡片 ===== */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--shadow-1);position:relative;
  display:flex;flex-direction:column;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--accent),rgba(23,230,166,.2));
  transition:width .28s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--shadow-2);}
.card:hover::before{width:100%;}
.card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0F171E;}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-thumb img{transform:scale(1.03);}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:17.5px;line-height:1.5;}
.card-body p{color:var(--text-2);font-size:14.5px;margin:0;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);}
.card-foot .num{font-variant-numeric:tabular-nums;}
.card-foot .more{color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.card:hover .card-foot .more i{transform:translateX(3px);}
.card-foot .more i{transition:transform .2s ease;font-size:11px;}

/* ===== FAQ ===== */
.faq-wrap{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:border-color .2s ease,background .2s ease;
}
.faq-item[open]{border-color:rgba(23,230,166,.5);background:#13202A;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px 18px 26px;position:relative;
  font-size:16px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:10px;top:22px;width:3px;height:16px;border-radius:2px;
  background:var(--line);transition:background .2s ease,box-shadow .2s ease;
}
.faq-item[open] summary{color:var(--accent);}
.faq-item[open] summary::before{background:var(--accent);box-shadow:0 0 10px var(--accent-glow);}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:17px;color:var(--text-3);font-size:18px;font-weight:400;
}
.faq-item[open] summary::after{content:"–";color:var(--accent);}
.faq-answer{padding:0 26px 20px;color:var(--text-2);font-size:15px;border-top:1px solid var(--line-weak);padding-top:16px;margin:0 0 0;}
.faq-answer p:last-child{margin-bottom:0;}

/* ===== CTA 条 ===== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:
    radial-gradient(520px 240px at 12% 0%, rgba(255,122,41,.16), transparent 62%),
    radial-gradient(520px 260px at 88% 100%, rgba(23,230,166,.14), transparent 62%),
    #121A21;
  padding:38px 34px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;
}
.cta-band h2{font-size:clamp(20px,2.6vw,26px);margin-bottom:10px;}
.cta-band p{color:var(--text-2);font-size:15px;margin:0;max-width:620px;}
.cta-band .cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== 页脚 ===== */
.site-footer{
  margin-top:var(--space-7);background:#070A0D;border-top:1px solid var(--line);
  position:relative;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,166,.8),transparent);
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px;
  padding:var(--space-6) 0 var(--space-4);
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:16px;margin-bottom:14px;}
.footer-brand:hover{color:var(--accent);}
.footer-col p{color:var(--text-2);font-size:14px;line-height:1.85;margin:0;max-width:400px;}
.footer-title{font-size:14px;letter-spacing:.1em;color:var(--text-3);font-weight:700;margin-bottom:16px;text-transform:uppercase;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:var(--text-2);font-size:14.5px;}
.footer-links a:hover{color:var(--accent);}
.footer-meta li{display:flex;gap:10px;color:var(--text-2);font-size:14px;margin-bottom:12px;line-height:1.7;}
.footer-meta i{color:var(--accent);margin-top:7px;font-size:12px;}
.footer-meta a{color:var(--text-2);text-decoration:underline;text-underline-offset:3px;}
.footer-meta a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid var(--line-weak);padding:18px 0 26px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
}
.footer-bottom p{color:var(--text-3);font-size:13px;margin:0;}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--accent);}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .container{padding:0 22px;}
}
@media (max-width:1024px){
  .section{padding:var(--space-6) 0;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:var(--space-4);}
  .sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr));}
  .reading{max-width:100%;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-grid .footer-col:first-child{grid-column:1 / -1;}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(320px,86vw);
    background:var(--panel);border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:94px 20px 30px;
    transform:translateX(102%);
    transition:transform .32s ease;
    box-shadow:-18px 0 44px rgba(0,0,0,.6);
    z-index:70;
    overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav a{padding:15px 16px;border-radius:8px;font-size:15.5px;border-left:2px solid transparent;}
  .main-nav a.is-active{background:rgba(23,230,166,.08);border-left-color:var(--accent);}
  .main-nav a.is-active::after{display:none;}
}
@media (max-width:768px){
  body{font-size:15px;line-height:1.92;}
  .section{padding:var(--space-5) 0;}
  .page-banner .container{padding-top:var(--space-4);padding-bottom:var(--space-4);}
  .card-grid{grid-template-columns:1fr;}
  .post-nav{grid-template-columns:1fr;}
  .sidebar{grid-template-columns:1fr;}
  .cta-band{padding:28px 22px;}
  .footer-grid{grid-template-columns:1fr;padding:var(--space-5) 0 var(--space-3);}
  .article-body{font-size:15px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .logo-text{font-size:15px;}
  .nav-actions .btn-sm{padding:9px 14px;font-size:13px;}
  .article-h1{font-size:24px;}
  .btn{width:100%;}
  .nav-actions .btn{width:auto;}
  .cta-band .cta-actions{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --bg:#0A0E12;
  --bg-2:#121A21;
  --bg-3:#16202A;
  --line:#1F2C36;
  --line-soft:#18242D;
  --primary:#17E6A6;
  --primary-deep:#10B884;
  --primary-glow:rgba(23,230,166,.28);
  --accent:#FF7A29;
  --text:#EAF2F0;
  --text-2:#9FB2AE;
  --text-3:#6B7C7A;
  --ink:#06231A;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --shadow:0 8px 22px rgba(0,0,0,.38);
  --shadow-hover:0 14px 34px rgba(0,0,0,.5);
  --sec:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;color:var(--text);margin:0}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--primary-deep)}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sec{padding:var(--sec) 0}
.sec-tight{padding:56px 0}
.sec-head{margin-bottom:38px;max-width:820px}
.sec-head h2{
  position:relative;
  font-size:clamp(24px,3.2vw,34px);
  line-height:1.3;
  font-weight:800;
  padding-left:18px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:22px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--primary-deep));
  box-shadow:0 0 12px var(--primary-glow);
}
.sec-head p{margin-top:14px;color:var(--text-2);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--primary);border:1px solid var(--line);
  padding:5px 12px;border-radius:999px;margin-bottom:16px;background:rgba(23,230,166,.06);
}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,14,18,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line-soft);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  opacity:.55;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;letter-spacing:.01em}
.logo:hover{color:var(--text)}
.logo-mark{
  width:36px;height:36px;border-radius:9px;flex:0 0 36px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--primary),#0C8F68);
  color:var(--ink);font-size:14px;font-weight:900;letter-spacing:.02em;
  box-shadow:0 0 16px var(--primary-glow);
}
.logo-text{font-size:16px;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.main-nav a{
  position:relative;color:var(--text-2);font-size:15px;padding:8px 12px;border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.04)}
.main-nav a.is-active{color:var(--primary);background:rgba(23,230,166,.08)}
.main-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--primary);box-shadow:0 0 10px var(--primary-glow);
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:40px;height:38px;border-radius:9px;
  background:transparent;border:1px solid var(--primary);color:var(--primary);
  align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle:hover{background:rgba(23,230,166,.1)}
/* buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1;
  padding:13px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-primary{background:var(--primary);color:var(--ink)}
.btn-primary:hover{background:#20f7b5;color:var(--ink);box-shadow:0 0 18px var(--primary-glow);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary)}
.btn-ghost:hover{background:rgba(23,230,166,.1);color:var(--primary)}
.btn-accent{background:var(--accent);color:#1A0C02}
.btn-accent:hover{background:#ff8e47;color:#1A0C02;box-shadow:0 0 18px rgba(255,122,41,.35)}
.btn-sm{padding:10px 16px;font-size:14px}
.btn-block{width:100%}
/* breadcrumb */
.breadcrumb{font-size:13px;color:var(--text-3);padding:20px 0 0}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb span.sep{margin:0 8px;color:var(--text-3)}
.breadcrumb .current{color:var(--text)}
/* hero banner */
.page-hero{
  position:relative;margin-top:20px;border-radius:16px;overflow:hidden;
  border:1px solid var(--line);
  min-height:300px;display:flex;align-items:flex-end;
}
.page-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(10,14,18,.55) 0%,rgba(10,14,18,.82) 58%,rgba(10,14,18,.96) 100%);
}
.page-hero-inner{position:relative;z-index:2;padding:44px 40px 38px;max-width:800px}
.page-hero h1{
  font-size:clamp(26px,3.6vw,40px);line-height:1.28;font-weight:800;margin-bottom:16px;
}
.page-hero h1 em{font-style:normal;color:var(--primary)}
.page-hero p{color:var(--text-2);font-size:16px;max-width:660px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;color:var(--text-2);
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  padding:5px 12px;border-radius:999px;
}
.tag i{color:var(--primary);font-size:11px}
/* metrics */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metric{padding:28px 24px;border-right:1px solid var(--line-soft);transition:background .2s ease}
.metric:last-child{border-right:none}
.metric:hover{background:rgba(23,230,166,.04)}
.metric .num{
  font-variant-numeric:tabular-nums;font-size:13px;font-weight:800;color:var(--primary);
  letter-spacing:.08em;display:block;margin-bottom:10px;
}
.metric h3{font-size:17px;font-weight:700;margin-bottom:8px}
.metric p{font-size:14px;color:var(--text-2);line-height:1.8}
/* timeline */
.timeline{position:relative;padding-left:76px;margin-top:10px}
.timeline::before{
  content:"";position:absolute;left:26px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--primary),rgba(23,230,166,.12));
}
.timeline-item{position:relative;padding-bottom:34px}
.timeline-item:last-child{padding-bottom:0}
.timeline-num{
  position:absolute;left:-76px;top:0;
  width:54px;height:54px;border-radius:12px;
  display:grid;place-items:center;
  background:var(--bg-3);border:1px solid var(--primary);
  color:var(--primary);font-weight:800;font-size:16px;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
  box-shadow:0 0 0 6px rgba(23,230,166,.06);
}
.timeline-body{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;position:relative;overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.timeline-body::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--primary),rgba(23,230,166,0));
  opacity:0;transition:opacity .22s ease;
}
.timeline-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(23,230,166,.55)}
.timeline-body:hover::before{opacity:1}
.timeline-body h3{font-size:19px;font-weight:700;margin-bottom:10px}
.timeline-body p{font-size:15px;color:var(--text-2);margin-bottom:10px}
.timeline-note{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);
  border-left:2px solid var(--line);padding-left:10px;
}
.timeline-note i{color:var(--accent)}
.timeline-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;margin-top:12px}
/* compare */
.table-wrap{margin-top:8px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg-2)}
table.cmp{width:100%;border-collapse:collapse;font-size:15px}
table.cmp thead th{
  background:var(--bg-3);color:var(--text);text-align:left;font-weight:700;
  padding:16px 20px;border-bottom:1px solid var(--line);font-size:15px;
}
table.cmp tbody td{padding:16px 20px;border-bottom:1px solid var(--line-soft);color:var(--text-2);vertical-align:top}
table.cmp tbody tr:last-child td{border-bottom:none}
table.cmp tbody tr{transition:background .18s ease}
table.cmp tbody tr:hover{background:rgba(23,230,166,.05)}
table.cmp tbody td:first-child{color:var(--text);font-weight:600}
.cmp-reco{background:rgba(23,230,166,.045)}
.cmp-reco .reco-flag{
  display:inline-block;font-size:11px;font-weight:800;color:var(--ink);
  background:var(--primary);border-radius:999px;padding:2px 9px;margin-left:8px;vertical-align:middle;
}
/* split block */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.split.reverse .split-media{order:2}
.split-media{position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,18,0),rgba(10,14,18,.55))}
.split-media .media-cap{
  position:absolute;left:18px;bottom:14px;z-index:2;font-size:13px;color:var(--text-2);
}
.split-body h2{font-size:clamp(22px,2.6vw,28px);font-weight:800;margin-bottom:16px;padding-left:16px;position:relative}
.split-body h2::before{
  content:"";position:absolute;left:0;top:.3em;width:4px;height:20px;border-radius:2px;background:var(--primary);
}
.split-body p{color:var(--text-2);font-size:15px}
.check-list{margin-top:20px;display:grid;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:var(--bg-2);border:1px solid var(--line);border-radius:12px;padding:14px 16px;
  font-size:14.5px;color:var(--text-2);transition:border-color .2s ease,background .2s ease;
}
.check-list li:hover{border-color:rgba(23,230,166,.5);background:rgba(23,230,166,.04)}
.check-list i{color:var(--primary);margin-top:5px;font-size:13px}
.check-list strong{color:var(--text);font-weight:700}
/* cards */
.card-grid{margin-top:8px}
.card{
  height:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;display:flex;flex-direction:column;position:relative;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card::before{
  content:"";position:absolute;left:0;top:0;height:2px;width:100%;
  background:linear-gradient(90deg,var(--primary),rgba(23,230,166,0));
  transform:translateX(-100%);transition:transform .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(23,230,166,.5)}
.card:hover::before{transform:translateX(0)}
.card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-thumb img{transform:scale(1.03)}
.card-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,14,18,.05),rgba(10,14,18,.62))}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.badge{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  font-size:12px;color:var(--primary);border:1px solid rgba(23,230,166,.45);
  background:rgba(23,230,166,.07);border-radius:999px;padding:3px 11px;
}
.card-body h3{font-size:18px;line-height:1.5;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14.5px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;
  border-top:1px solid var(--line-soft);padding-top:14px;
}
.card-meta .more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600}
/* empty state */
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--bg-2);
  padding:42px 28px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--text-3);margin-bottom:14px;display:block}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px}
/* faq */
.faq-list{margin-top:8px;border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line-soft)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:14px;
  padding:22px 6px 22px 0;font-size:17px;font-weight:700;color:var(--text);
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .idx{
  flex:0 0 26px;height:26px;border-radius:7px;display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-3);font-size:12px;font-weight:800;
  margin-top:4px;transition:all .2s ease;
}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary:hover .idx{border-color:var(--primary);color:var(--primary)}
.faq-item[open] summary{color:var(--primary)}
.faq-item[open] summary .idx{background:var(--primary);border-color:var(--primary);color:var(--ink)}
.faq-body{padding:0 6px 24px 40px;color:var(--text-2);font-size:15px}
.faq-body p{margin-bottom:.9em}
/* cta bar */
.cta-bar{
  position:relative;overflow:hidden;border-radius:16px;border:1px solid var(--line);
  background:var(--bg-3);padding:30px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.cta-bar::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(600px 180px at 8% 50%,rgba(255,122,41,.16),transparent 70%),
             radial-gradient(520px 200px at 92% 50%,rgba(23,230,166,.16),transparent 72%);
  pointer-events:none;
}
.cta-bar-text{position:relative;z-index:1}
.cta-bar-text h3{font-size:20px;font-weight:800;margin-bottom:6px}
.cta-bar-text p{font-size:14.5px;color:var(--text-2);margin:0}
.cta-bar .btn{position:relative;z-index:1}
/* form */
.form-sec{display:grid;grid-template-columns:.85fr 1.15fr;gap:44px;align-items:start}
.form-note h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;margin-bottom:16px}
.form-note p{color:var(--text-2);font-size:15px}
.form-note ul{margin-top:22px;display:grid;gap:14px}
.form-note li{display:flex;gap:12px;font-size:14.5px;color:var(--text-2)}
.form-note li i{color:var(--primary);margin-top:6px;font-size:12px}
.form-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;background:#0E161C;border:1px solid var(--line);border-radius:10px;
  color:var(--text);font-size:15px;padding:12px 14px;font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.8}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(23,230,166,.16);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--text-2) 50%),linear-gradient(135deg,var(--text-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-tip{font-size:12.5px;color:var(--text-3);margin-top:14px;line-height:1.75}
.form-tip a{text-decoration:underline;text-underline-offset:3px}
/* footer */
.site-footer{
  background:#070A0D;border-top:1px solid var(--line);margin-top:0;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);opacity:.6;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.2fr;gap:40px;padding:60px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;margin-bottom:16px}
.footer-col p{font-size:14.5px;color:var(--text-2);line-height:1.85}
.footer-title{font-size:15px;font-weight:700;margin-bottom:18px;color:var(--text)}
.footer-links li,.footer-meta li{margin-bottom:12px;font-size:14.5px}
.footer-links a{color:var(--text-2)}
.footer-links a:hover{color:var(--primary)}
.footer-meta li{display:flex;gap:10px;align-items:flex-start;color:var(--text-2);line-height:1.8}
.footer-meta i{color:var(--primary);margin-top:6px;font-size:12px}
.footer-bottom{
  border-top:1px solid var(--line-soft);padding:22px 0 34px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-2)}
.footer-bottom a:hover{color:var(--primary)}
/* responsive */
@media (max-width:1024px){
  :root{--sec:64px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .metric:nth-child(2){border-right:none}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line-soft)}
  .split{grid-template-columns:1fr;gap:28px}
  .split.reverse .split-media{order:0}
  .form-sec{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .footer-col:first-child{grid-column:1 / -1}
}
@media (max-width:768px){
  .container{padding:0 16px}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:0;
    background:var(--bg-3);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:10px 16px 18px;
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:14px 12px;border-left:3px solid transparent;border-radius:0}
  .main-nav a.is-active{border-left-color:var(--primary);background:rgba(23,230,166,.07)}
  .main-nav a.is-active::after{display:none}
  .nav-toggle{display:inline-flex}
  .nav-actions .btn-sm{display:none}
  .page-hero-inner{padding:30px 22px 28px}
  .page-hero{min-height:260px}
  .timeline{padding-left:58px}
  .timeline::before{left:19px}
  .timeline-num{left:-58px;width:42px;height:42px;font-size:14px;border-radius:10px}
  .timeline-body{padding:20px}
  .cta-bar{padding:26px 22px}
  .form-card{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  /* compare table -> cards */
  table.cmp thead{display:none}
  table.cmp,table.cmp tbody,table.cmp tr,table.cmp td{display:block;width:100%}
  table.cmp tbody tr{border-bottom:1px solid var(--line);padding:6px 0 14px}
  table.cmp tbody tr:last-child{border-bottom:none}
  table.cmp tbody td{border:none;padding:9px 18px}
  table.cmp tbody td::before{
    content:attr(data-label);display:block;font-size:12px;letter-spacing:.06em;
    color:var(--text-3);margin-bottom:4px;text-transform:uppercase;
  }
}
@media (max-width:520px){
  :root{--sec:48px}
  body{font-size:15px;line-height:1.92}
  .metrics{grid-template-columns:1fr}
  .metric{border-right:none;border-bottom:1px solid var(--line-soft)}
  .metric:last-child{border-bottom:none}
  .logo-text{font-size:14px}
  .hero-actions .btn{width:100%}
  .faq-body{padding-left:22px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --bg:#0A0E12;
  --panel:#121A21;
  --card:#16202A;
  --line:#1F2C36;
  --line-soft:#18242D;
  --primary:#17E6A6;
  --primary-dim:#10B884;
  --glow:rgba(23,230,166,.28);
  --accent:#FF7A29;
  --text:#EAF2F0;
  --muted:#9FB2AE;
  --dim:#6B7C7A;
  --on-primary:#06231A;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow:0 8px 22px rgba(0,0,0,.38);
  --shadow-hover:0 14px 34px rgba(0,0,0,.5);
  --container:1200px;
  --gap-section:88px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,opacity .18s ease;}
a:hover{color:var(--primary-dim);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:0;}
p{margin:0;}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------- 通用网格 ---------- */
.grid-x{display:flex;flex-wrap:wrap;margin-left:-12px;margin-right:-12px;}
.cell{flex:0 0 auto;width:100%;padding-left:12px;padding-right:12px;}
@media (min-width:641px){
  .medium-6{width:50%;}
  .medium-4{width:33.3333%;}
}
@media (min-width:1025px){
  .large-8{width:66.6667%;}
  .large-4{width:33.3333%;}
  .large-3{width:25%;}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,border-color .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--primary);
  color:var(--on-primary);
  box-shadow:0 6px 18px rgba(23,230,166,.18);
}
.btn-primary:hover{
  background:#25f4b4;
  color:var(--on-primary);
  box-shadow:0 0 18px var(--glow),0 10px 26px rgba(0,0,0,.4);
  transform:translateY(-1px);
}
.btn-ghost{
  background:transparent;
  border-color:var(--primary);
  color:var(--primary);
}
.btn-ghost:hover{
  background:rgba(23,230,166,.08);
  color:var(--primary);
  transform:translateY(-1px);
}
.btn-accent{
  background:var(--accent);
  color:#2A0F00;
}
.btn-accent:hover{background:#ff8d47;color:#2A0F00;transform:translateY(-1px);}
.btn-sm{padding:10px 18px;font-size:14px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,14,18,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line-soft);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  opacity:.75;
}
.nav-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:72px;
}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;letter-spacing:.02em;}
.logo:hover{color:var(--text);}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(140deg,var(--primary),#0d9c72);
  color:var(--on-primary);font-size:14px;font-weight:900;letter-spacing:.02em;
}
.logo-text{font-size:17px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.main-nav a{
  position:relative;
  padding:10px 14px;
  border-radius:8px;
  font-size:15px;
  color:var(--muted);
  transition:color .18s ease,background .18s ease;
}
.main-nav a:hover{color:var(--text);background:rgba(255,255,255,.04);}
.main-nav a.is-active{color:var(--primary);background:rgba(23,230,166,.07);}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--primary);border-radius:2px;
  box-shadow:0 0 10px var(--glow);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:8px;
  background:transparent;border:1px solid var(--primary);color:var(--primary);
  cursor:pointer;
}

/* ---------- 面包屑 ---------- */
.breadcrumb-bar{
  border-bottom:1px solid var(--line-soft);
  background:var(--panel);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;
  font-size:13px;color:var(--dim);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#3a4d4a;}
.breadcrumb .current{color:var(--muted);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;
  padding:76px 0 62px;
  background-image:linear-gradient(rgba(10,14,18,.72),rgba(10,14,18,.88)),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 320px at 20% 0%,rgba(23,230,166,.16),transparent 70%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid rgba(23,230,166,.45);
  background:rgba(23,230,166,.08);
  color:var(--primary);
  font-size:13px;letter-spacing:.06em;
}
.page-hero h1{
  margin-top:20px;
  font-size:clamp(26px,3.6vw,40px);
  font-weight:800;
  line-height:1.35;
  max-width:900px;
}
.page-hero .lede{
  margin-top:18px;
  max-width:820px;
  color:var(--muted);
  font-size:16px;
  line-height:1.95;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  padding:5px 13px;border-radius:999px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.03);
  color:var(--muted);
  font-size:13px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ---------- 板块通用 ---------- */
.section{padding:var(--gap-section) 0;}
.section-alt{background:var(--panel);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-head{max-width:820px;margin-bottom:44px;}
.section-head h2{
  position:relative;
  padding-left:16px;
  font-size:clamp(24px,3.2vw,34px);
  font-weight:800;
  line-height:1.35;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  background:var(--primary);border-radius:2px;
  box-shadow:0 0 12px var(--glow);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:15.5px;line-height:1.9;}

/* ---------- 检查顺序刻度条 ---------- */
.metrics{
  display:flex;flex-wrap:wrap;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.metric{
  position:relative;
  flex:1 1 0;
  min-width:230px;
  padding:26px 24px 26px 26px;
  border-left:2px solid transparent;
  transition:background .2s ease,border-color .2s ease;
}
.metric + .metric{border-left:1px solid var(--line);}
.metric:hover{background:rgba(23,230,166,.04);border-left-color:var(--primary);}
.metric-num{
  display:block;
  font-size:30px;font-weight:800;line-height:1;
  color:transparent;
  -webkit-text-stroke:1px rgba(23,230,166,.85);
  font-variant-numeric:tabular-nums;
  letter-spacing:.02em;
}
.metric h3{margin-top:14px;font-size:18px;font-weight:700;}
.metric p{margin-top:10px;color:var(--muted);font-size:14.5px;line-height:1.85;}

/* ---------- 左右版式 ---------- */
.layout-split{display:flex;flex-wrap:wrap;margin:0 -12px;}
.layout-main{width:100%;padding:0 12px;order:2;}
.layout-aside{width:100%;padding:0 12px;order:1;margin-bottom:36px;}
@media (min-width:1025px){
  .layout-main{width:66.6667%;order:1;}
  .layout-aside{width:33.3333%;order:2;margin-bottom:0;}
}

/* ---------- Z 型图文块 ---------- */
.feature{
  display:flex;flex-wrap:wrap;align-items:center;gap:28px;
  padding:26px;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--card);
  box-shadow:var(--shadow);
  margin-bottom:26px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.feature:hover{
  border-color:rgba(23,230,166,.55);
  box-shadow:var(--shadow-hover);
  transform:translateY(-4px);
}
.feature-media{flex:1 1 260px;min-width:240px;}
.feature-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-img);
  border:1px solid var(--line-soft);
}
.feature-body{flex:1 1 320px;min-width:260px;}
.feature-index{
  display:inline-block;
  font-size:13px;letter-spacing:.14em;color:var(--primary);
  font-variant-numeric:tabular-nums;
}
.feature-body h3{margin-top:10px;font-size:19px;font-weight:700;line-height:1.5;}
.feature-body p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.9;}
.feature-list{margin-top:14px;display:grid;gap:8px;}
.feature-list li{
  position:relative;padding-left:16px;
  color:var(--muted);font-size:14.5px;
}
.feature-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:6px;height:6px;border-radius:1px;background:var(--primary);
}
@media (min-width:1025px){
  .feature.reverse{flex-direction:row-reverse;}
}

/* ---------- 速览卡 ---------- */
.quick-card{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:linear-gradient(180deg,rgba(23,230,166,.08),rgba(22,32,42,1) 42%);
  box-shadow:var(--shadow);
  padding:26px;
}
.quick-card h3{
  font-size:17px;font-weight:800;
  display:flex;align-items:center;gap:10px;
}
.quick-card h3 i{color:var(--primary);}
.quick-list{margin-top:18px;display:grid;gap:14px;}
.quick-list li{
  position:relative;
  padding-left:18px;
  color:var(--muted);
  font-size:14.5px;
  line-height:1.85;
  border-bottom:1px dashed var(--line-soft);
  padding-bottom:14px;
}
.quick-list li:last-child{border-bottom:none;padding-bottom:0;}
.quick-list li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;
  background:var(--primary);border-radius:2px;
  box-shadow:0 0 8px var(--glow);
}
.quick-card .btn{width:100%;justify-content:center;margin-top:22px;}
@media (min-width:1025px){
  .quick-card{position:sticky;top:96px;}
}

/* ---------- 提示对照表 ---------- */
.compare{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  background:var(--card);
  box-shadow:var(--shadow);
}
.compare-head,.compare-row{
  display:grid;
  grid-template-columns:1.1fr 1fr 1.4fr;
  gap:16px;
  padding:18px 24px;
  align-items:center;
}
.compare-head{
  background:#101820;
  border-bottom:1px solid var(--line);
  color:var(--primary);
  font-size:13.5px;letter-spacing:.08em;
}
.compare-row{
  border-bottom:1px solid var(--line-soft);
  font-size:15px;
  transition:background .18s ease;
}
.compare-row:last-child{border-bottom:none;}
.compare-row:hover{background:rgba(23,230,166,.05);}
.compare-row .c-prompt{color:var(--text);font-weight:700;}
.compare-row .c-stage{color:var(--primary);}
.compare-row .c-do{color:var(--muted);}

/* ---------- 高频速查 ---------- */
.check-list{
  border-left:2px solid var(--line);
  padding-left:0;
}
.check-list li{
  position:relative;
  padding:16px 0 16px 26px;
  border-bottom:1px solid var(--line-soft);
  color:var(--muted);
  font-size:15px;
  line-height:1.9;
}
.check-list li:last-child{border-bottom:none;}
.check-list li::before{
  content:"";position:absolute;left:-2px;top:26px;
  width:10px;height:10px;border-radius:50%;
  background:var(--bg);
  border:2px solid var(--primary);
  box-shadow:0 0 10px var(--glow);
  transform:translateX(-50%);
}
.check-list strong{color:var(--text);font-weight:700;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:22px 4px 22px 18px;
  font-size:16.5px;font-weight:700;
  color:var(--text);
  position:relative;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;
  background:var(--line);border-radius:2px;transition:background .18s ease,box-shadow .18s ease;
}
.faq-item summary::after{
  content:"+";
  flex:0 0 auto;
  color:var(--primary);
  font-size:20px;line-height:1;
  transition:transform .2s ease;
}
.faq-item[open] summary{color:var(--primary);}
.faq-item[open] summary::before{background:var(--primary);box-shadow:0 0 12px var(--glow);}
.faq-item[open] summary::after{content:"–";}
.faq-body{
  padding:0 4px 22px 18px;
  color:var(--muted);
  font-size:15px;
  line-height:1.95;
  max-width:760px;
}

/* ---------- 情况提交 ---------- */
.connect{
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  background:var(--card);
  box-shadow:var(--shadow);
  padding:34px;
}
.connect-grid{display:flex;flex-wrap:wrap;gap:34px;}
.connect-intro{flex:1 1 300px;min-width:260px;}
.connect-intro h2{
  position:relative;padding-left:16px;
  font-size:clamp(22px,2.8vw,30px);font-weight:800;line-height:1.35;
}
.connect-intro h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  background:var(--primary);border-radius:2px;box-shadow:0 0 12px var(--glow);
}
.connect-intro p{margin-top:16px;color:var(--muted);font-size:15px;line-height:1.95;}
.connect-points{margin-top:20px;display:grid;gap:10px;}
.connect-points li{
  display:flex;gap:10px;align-items:flex-start;
  color:var(--muted);font-size:14.5px;
}
.connect-points i{color:var(--primary);margin-top:6px;}
.connect-form{flex:1 1 380px;min-width:280px;display:grid;gap:16px;}
.field{display:grid;gap:8px;}
.field label{font-size:14px;color:var(--muted);}
.field input,.field select,.field textarea{
  width:100%;
  padding:12px 14px;
  background:#0E171E;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--text);
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{min-height:110px;resize:vertical;line-height:1.8;}
.field input::placeholder,.field textarea::placeholder{color:#546663;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(23,230,166,.14);
}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.form-note{font-size:13px;color:var(--dim);}
.form-msg{
  display:none;
  padding:12px 16px;
  border-radius:10px;
  border:1px solid rgba(23,230,166,.45);
  background:rgba(23,230,166,.08);
  color:var(--primary);
  font-size:14px;
}
.form-msg.is-visible{display:block;}

/* ---------- 窄 CTA 条 ---------- */
.cta-strip{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 28px;
  border-radius:var(--radius-card);
  border:1px solid rgba(255,122,41,.45);
  background:radial-gradient(520px 180px at 12% 50%,rgba(255,122,41,.14),transparent 70%),linear-gradient(90deg,rgba(255,122,41,.08),rgba(23,230,166,.06));
  margin-bottom:34px;
}
.cta-strip p{font-size:15.5px;color:var(--text);font-weight:700;}
.cta-strip p span{display:block;margin-top:6px;font-weight:400;font-size:14px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.site-footer{
  position:relative;
  background:#070A0D;
  border-top:1px solid var(--line);
  padding:60px 0 0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:-1px;height:1px;
  background:linear-gradient(90deg,transparent,var(--primary),transparent);
  opacity:.7;
}
.footer-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:40px;
  padding-bottom:44px;
}
.footer-col p{color:var(--muted);font-size:14.5px;line-height:1.9;margin-top:16px;max-width:360px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:var(--text);font-size:17px;font-weight:800;
}
.footer-brand:hover{color:var(--primary);}
.footer-title{font-size:15px;font-weight:700;color:var(--text);margin-bottom:16px;}
.footer-links{display:grid;gap:10px;}
.footer-links a{color:var(--muted);font-size:14.5px;}
.footer-links a:hover{color:var(--primary);}
.footer-meta{display:grid;gap:14px;}
.footer-meta li{display:flex;gap:10px;color:var(--muted);font-size:14.5px;line-height:1.8;}
.footer-meta i{color:var(--primary);margin-top:6px;}
.footer-meta a{color:var(--primary);}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  border-top:1px solid var(--line-soft);
  padding:20px 0;
  color:var(--dim);
  font-size:13.5px;
}
.footer-bottom a{color:var(--dim);}
.footer-bottom a:hover{color:var(--primary);}

/* ---------- 移动端导航 ---------- */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .logo-text{font-size:15.5px;}
  .main-nav{
    position:fixed;top:0;right:0;z-index:130;
    height:100vh;width:290px;
    background:var(--panel);
    border-left:1px solid var(--line);
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:88px 20px 28px;
    transform:translateX(102%);
    transition:transform .28s ease;
    box-shadow:-16px 0 40px rgba(0,0,0,.5);
  }
  body.nav-open .main-nav{transform:translateX(0);}
  body.nav-open::after{
    content:"";position:fixed;inset:0;z-index:125;
    background:rgba(0,0,0,.6);
  }
  .main-nav a{
    padding:14px 16px;
    border-left:2px solid transparent;
    border-radius:0 8px 8px 0;
    font-size:15.5px;
  }
  .main-nav a.is-active{border-left-color:var(--primary);background:rgba(23,230,166,.07);}
  .main-nav a.is-active::after{display:none;}
}

/* ---------- 断点：平板 / 手机 ---------- */
@media (max-width:1024px){
  :root{--gap-section:64px;}
  .compare-head,.compare-row{grid-template-columns:1fr 1fr 1.3fr;padding:16px 18px;font-size:14.5px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  :root{--gap-section:48px;}
  .page-hero{padding:56px 0 46px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .connect{padding:24px;}
  .metrics{flex-direction:column;border:none;}
  .metric{
    min-width:0;width:100%;
    border-left:2px solid var(--line);
    border-top:none;
    padding:20px 18px 20px 20px;
  }
  .metric + .metric{border-left:2px solid var(--line);}
  .metric:hover{border-left-color:var(--primary);}
  .compare-head{display:none;}
  .compare-row{
    grid-template-columns:1fr;
    gap:8px;
    padding:18px 18px 20px;
    border-bottom:1px solid var(--line-soft);
  }
  .compare-row span::before{
    content:attr(data-label) "：";
    color:var(--dim);
    font-size:13px;
    margin-right:4px;
  }
  .compare-row .c-prompt::before{color:var(--dim);}
  .feature{padding:20px;}
  .feature-media{flex:1 1 100%;min-width:0;}
  .feature-body{flex:1 1 100%;min-width:0;}
}
@media (max-width:520px){
  body{font-size:15px;line-height:1.92;}
  .nav-inner{height:64px;}
  .nav-actions .btn-sm{padding:8px 14px;font-size:13px;}
  .page-hero h1{font-size:26px;}
  .hero-actions .btn{width:100%;justify-content:center;}
  .cta-strip{padding:20px;flex-direction:column;align-items:flex-start;}
  .cta-strip .btn{width:100%;justify-content:center;}
  .faq-item summary{font-size:15.5px;padding:18px 4px 18px 16px;}
}

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