/* roulang page: index */
:root{
  --bg:#0b0d12;
  --bg-soft:#10131a;
  --surface:#161a24;
  --surface-2:#1c2130;
  --surface-3:#232937;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#eceef4;
  --text-2:#a4adc0;
  --text-3:#6d768a;
  --brand:#d9a441;
  --brand-soft:rgba(217,164,65,.14);
  --brand-deep:#a87a26;
  --teal:#4fd1c5;
  --rose:#e0688a;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --r-xl:34px;
  --sh-sm:0 4px 14px rgba(0,0,0,.28);
  --sh-md:0 14px 40px rgba(0,0,0,.4);
  --sh-lg:0 28px 70px rgba(0,0,0,.55);
  --sh-brand:0 12px 34px rgba(217,164,65,.22);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
::selection{background:var(--brand-soft);color:#fff}

.container{
  width:100%;
  max-width:var(--max);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;position:relative}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tight{padding:72px 0}

.section-head{max-width:760px;margin:0 auto 56px;text-align:center}
.section-head--left{margin:0 0 48px;text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--brand);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block}
.section-title{
  font-size:clamp(24px,3.1vw,36px);
  line-height:1.36;font-weight:700;letter-spacing:-.01em;
  color:#fff;
}
.section-title em{font-style:normal;color:var(--brand)}
.section-desc{margin-top:18px;color:var(--text-2);font-size:16px}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,13,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.toolbar{
  display:flex;align-items:center;gap:24px;
  min-height:68px;
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-deep));
  color:#12141a;font-weight:800;font-size:17px;
  box-shadow:var(--sh-brand);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:#fff;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;
  padding:9px 15px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);font-weight:500;
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.is-active{color:#fff;background:var(--brand-soft)}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;
  height:2px;border-radius:2px;background:var(--brand);
}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-dot{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;color:var(--text-2);
  padding:6px 12px;border:1px solid var(--line);border-radius:999px;
  background:rgba(255,255,255,.02);white-space:nowrap;
}
.status-dot i{
  width:7px;height:7px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 0 rgba(79,209,197,.6);
  animation:pulse 2.2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(79,209,197,.55)}
  70%{box-shadow:0 0 0 9px rgba(79,209,197,0)}
  100%{box-shadow:0 0 0 0 rgba(79,209,197,0)}
}
.icon-btn{
  position:relative;width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);
  transition:.22s ease;
}
.icon-btn:hover{color:#fff;border-color:var(--line-strong);background:rgba(255,255,255,.05)}
.badge-dot{
  position:absolute;top:8px;right:9px;width:7px;height:7px;
  border-radius:50%;background:var(--rose);border:2px solid var(--bg);
}
.menu-toggle{display:none;width:40px;height:40px;border-radius:11px;border:1px solid var(--line);color:var(--text);place-items:center}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:12px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
  background:linear-gradient(140deg,#e9b757,var(--brand-deep));
  color:#15171d;box-shadow:var(--sh-brand);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(217,164,65,.3);color:#15171d}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-ghost{color:var(--text-2)}
.btn-ghost:hover{color:#fff}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px}
.btn-lg{padding:16px 34px;font-size:16px;border-radius:14px}

.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;
  background:rgba(255,255,255,.05);color:var(--text-2);
  border:1px solid var(--line);
}
.tag--brand{background:var(--brand-soft);color:var(--brand);border-color:rgba(217,164,65,.28)}
.tag--teal{background:rgba(79,209,197,.12);color:var(--teal);border-color:rgba(79,209,197,.26)}
.tag--rose{background:rgba(224,104,138,.12);color:var(--rose);border-color:rgba(224,104,138,.26)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  padding:88px 0 76px;
  background:
    radial-gradient(900px 460px at 50% -8%,rgba(217,164,65,.13),transparent 68%),
    radial-gradient(700px 400px at 88% 22%,rgba(79,209,197,.07),transparent 70%),
    var(--bg);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 50% 20%,#000 0%,transparent 72%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2}
.hero-head{text-align:center;max-width:880px;margin:0 auto}
.hero h1{
  font-size:clamp(28px,4.2vw,50px);
  line-height:1.26;font-weight:800;letter-spacing:-.02em;color:#fff;
  margin:20px 0 0;
}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;white-space:nowrap}
.hero-sub{
  margin-top:18px;font-size:clamp(15px,1.5vw,18px);
  color:var(--brand);font-weight:600;letter-spacing:.02em;
}
.hero-copy{
  margin-top:20px;color:var(--text-2);font-size:15.5px;line-height:1.95;
  max-width:820px;margin-left:auto;margin-right:auto;
}
.hero-stage{
  display:grid;grid-template-columns:1fr minmax(0,1.55fr) 1fr;
  gap:34px;align-items:center;
  margin-top:52px;
}
.hero-side{display:flex;flex-direction:column;gap:14px}
.hero-side li{
  display:flex;gap:13px;align-items:flex-start;
  padding:15px 16px;border-radius:var(--r-md);
  background:rgba(255,255,255,.028);
  border:1px solid var(--line);
  transition:transform .3s ease,border-color .3s ease,background .3s ease;
}
.hero-side li:hover{transform:translateY(-3px);border-color:rgba(217,164,65,.35);background:rgba(217,164,65,.06)}
.hero-side i{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;font-size:14px;
  background:var(--brand-soft);color:var(--brand);
}
.hero-side strong{display:block;font-size:14.5px;color:#fff;font-weight:600;line-height:1.5}
.hero-side span{display:block;font-size:12.8px;color:var(--text-3);line-height:1.6;margin-top:3px}
.hero-side--right li:hover{border-color:rgba(79,209,197,.35);background:rgba(79,209,197,.06)}
.hero-side--right i{background:rgba(79,209,197,.12);color:var(--teal)}

/* 截图舞台 */
.screen-frame{
  border-radius:var(--r-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(180deg,#1a1f2b,#12151d);
  box-shadow:var(--sh-lg);
  overflow:hidden;
  position:relative;
}
.screen-frame::before{
  content:"";position:absolute;inset:0;border-radius:inherit;
  background:linear-gradient(160deg,rgba(217,164,65,.13),transparent 42%);
  pointer-events:none;
}
.mock-bar{display:flex;align-items:center;gap:8px;padding:14px 18px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.02)}
.mock-bar i{width:10px;height:10px;border-radius:50%;background:var(--surface-3)}
.mock-bar i:nth-child(1){background:#e0688a}
.mock-bar i:nth-child(2){background:#d9a441}
.mock-bar i:nth-child(3){background:#4fd1c5}
.mock-url{
  margin-left:12px;flex:1;height:26px;border-radius:7px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  display:flex;align-items:center;padding:0 12px;
  font-size:11.5px;color:var(--text-3);letter-spacing:.04em;overflow:hidden;white-space:nowrap;
}
.mock-body{padding:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.mock-card{
  border-radius:var(--r-sm);overflow:hidden;
  background:var(--surface-2);border:1px solid var(--line);
}
.mock-thumb{height:96px;position:relative}
.mock-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(0,0,0,.55));
}
.t1{background:linear-gradient(140deg,#3a2b52,#6b4b8a 60%,#a97ac2)}
.t2{background:linear-gradient(140deg,#2c3a4f,#3f5d7e 60%,#5b8bb0)}
.t3{background:linear-gradient(140deg,#4a2f30,#8a4f4b 60%,#c2867b)}
.t4{background:linear-gradient(140deg,#2d4038,#3f6b56 60%,#6aa584)}
.t5{background:linear-gradient(140deg,#443a22,#7a6535 60%,#b39a5c)}
.t6{background:linear-gradient(140deg,#3b2a3e,#6a4468 60%,#a06f9c)}
.mock-meta{padding:11px 12px}
.mock-line{height:9px;border-radius:4px;background:rgba(255,255,255,.1)}
.mock-line+.mock-line{margin-top:7px;width:62%;background:rgba(255,255,255,.06)}
.mock-foot{display:flex;gap:8px;padding:0 20px 20px;flex-wrap:wrap}
.mock-pill{height:24px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);flex:1;min-width:64px}

.hero-actions{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:center;
  margin-top:48px;
}
.hero-note{
  margin-top:20px;text-align:center;font-size:13px;color:var(--text-3);
}

/* ============ 数据看板 ============ */
.stats-band{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  background:var(--bg-soft);
  padding:44px 0;
}
.stats-grid{
  display:grid;grid-template-columns:repeat(5,1fr);gap:14px;
}
.stat-item{
  text-align:center;padding:16px 12px;border-radius:var(--r-md);
  border:1px solid transparent;transition:.3s ease;
}
.stat-item:hover{border-color:var(--line);background:rgba(255,255,255,.025)}
.stat-num{
  font-size:clamp(22px,2.6vw,32px);font-weight:800;color:#fff;
  letter-spacing:-.02em;line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.stat-num b{color:var(--brand);font-weight:800;font-size:.62em;margin-left:2px}
.stat-label{margin-top:7px;font-size:13px;color:var(--text-3);letter-spacing:.04em}

/* ============ 卡片通用 ============ */
.grid-cards{display:grid;gap:20px}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.card{
  position:relative;
  padding:28px 26px 26px;
  border-radius:var(--r-md);
  background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.012));
  border:1px solid var(--line);
  transition:transform .32s cubic-bezier(.2,.8,.3,1),border-color .32s ease,box-shadow .32s ease,background .32s ease;
  height:100%;
}
.card:hover{
  transform:translateY(-5px);
  border-color:rgba(217,164,65,.32);
  box-shadow:var(--sh-md);
  background:linear-gradient(180deg,rgba(217,164,65,.07),rgba(255,255,255,.015));
}
.card-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;font-size:18px;
  background:var(--brand-soft);color:var(--brand);
  margin-bottom:18px;
  transition:.3s ease;
}
.card:hover .card-icon{transform:scale(1.06) rotate(-3deg)}
.card h3{font-size:17.5px;font-weight:700;color:#fff;line-height:1.5;margin-bottom:10px}
.card p{font-size:14.2px;color:var(--text-2);line-height:1.88}
.card .card-tags{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}
.card-index{
  position:absolute;top:22px;right:24px;
  font-size:13px;font-weight:700;color:var(--text-3);
  letter-spacing:.08em;font-variant-numeric:tabular-nums;
}

/* ============ 频道矩阵 ============ */
.channel-card{
  padding:0;overflow:hidden;display:flex;flex-direction:column;
}
.channel-visual{
  height:158px;position:relative;
  display:flex;align-items:flex-end;padding:18px 22px;
}
.channel-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,18,.1) 20%,rgba(11,13,18,.88));
}
.channel-visual .tag{position:relative;z-index:2}
.channel-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.channel-body h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px}
.channel-body p{font-size:14px;color:var(--text-2);line-height:1.85;flex:1}
.channel-link{
  margin-top:18px;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.channel-link i{transition:transform .28s ease}
.channel-link:hover i{transform:translateX(5px)}

/* ============ 流程步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative}
.step{
  position:relative;padding:30px 24px 26px;
  border-radius:var(--r-md);
  background:rgba(255,255,255,.025);
  border:1px solid var(--line);
  transition:.3s ease;
}
.step:hover{border-color:rgba(217,164,65,.32);transform:translateY(-4px)}
.step-num{
  font-size:34px;font-weight:800;line-height:1;letter-spacing:-.04em;
  color:transparent;
  -webkit-text-stroke:1.4px rgba(217,164,65,.55);
  font-variant-numeric:tabular-nums;
}
.step:hover .step-num{color:var(--brand);-webkit-text-stroke:1.4px transparent}
.step h3{margin-top:16px;font-size:16.5px;font-weight:700;color:#fff}
.step p{margin-top:9px;font-size:13.8px;color:var(--text-2);line-height:1.85}

/* ============ 演示区 ============ */
.demo-wrap{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);
  gap:48px;align-items:center;
}
.demo-shot{
  border-radius:var(--r-lg);border:1px solid var(--line-strong);
  background:linear-gradient(180deg,#191e29,#11141b);
  box-shadow:var(--sh-lg);overflow:hidden;
}
.demo-layout{display:grid;grid-template-columns:132px 1fr;min-height:330px}
.demo-side{border-right:1px solid var(--line);padding:16px 12px;background:rgba(255,255,255,.018)}
.demo-side-item{height:30px;border-radius:8px;margin-bottom:9px;background:rgba(255,255,255,.045);border:1px solid var(--line)}
.demo-side-item.is-on{background:var(--brand-soft);border-color:rgba(217,164,65,.4)}
.demo-main{padding:18px}
.demo-row{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:12px}
.demo-tile{height:74px;border-radius:11px;border:1px solid var(--line)}
.demo-lines{margin-top:16px}
.demo-lines span{display:block;height:9px;border-radius:4px;background:rgba(255,255,255,.07);margin-bottom:9px}
.demo-lines span:nth-child(1){width:78%}
.demo-lines span:nth-child(2){width:56%}
.demo-lines span:nth-child(3){width:64%;background:rgba(217,164,65,.25)}
.demo-points{display:flex;flex-direction:column;gap:20px}
.demo-points li{display:flex;gap:15px;align-items:flex-start}
.demo-points i{
  flex-shrink:0;width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;font-size:15px;
  background:var(--brand-soft);color:var(--brand);
}
.demo-points h4{font-size:16px;font-weight:600;color:#fff;line-height:1.55}
.demo-points p{font-size:13.8px;color:var(--text-2);line-height:1.8;margin-top:5px}

/* ============ 里程碑 ============ */
.timeline{position:relative;padding-left:0}
.timeline ul{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative}
.timeline ul::before{
  content:"";position:absolute;left:0;right:0;top:13px;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong),transparent);
}
.tl-item{position:relative;padding-top:44px}
.tl-item::before{
  content:"";position:absolute;top:6px;left:0;
  width:15px;height:15px;border-radius:50%;
  background:var(--bg);border:2px solid var(--brand);
  box-shadow:0 0 0 4px rgba(217,164,65,.12);
}
.tl-tag{font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.1em}
.tl-item h3{margin-top:9px;font-size:16px;font-weight:700;color:#fff;line-height:1.55}
.tl-item p{margin-top:8px;font-size:13.6px;color:var(--text-2);line-height:1.82}

/* ============ 对比 ============ */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.compare-panel{
  padding:32px 30px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(255,255,255,.022);
}
.compare-panel.is-good{
  border-color:rgba(217,164,65,.4);
  background:linear-gradient(180deg,rgba(217,164,65,.09),rgba(255,255,255,.015));
  box-shadow:var(--sh-brand);
}
.compare-head{display:flex;align-items:center;gap:12px;margin-bottom:22px}
.compare-head i{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:15px;
  background:rgba(255,255,255,.06);color:var(--text-2);
}
.compare-panel.is-good .compare-head i{background:var(--brand-soft);color:var(--brand)}
.compare-head h3{font-size:18px;font-weight:700;color:#fff}
.compare-panel ul li{
  display:flex;gap:11px;align-items:flex-start;
  padding:11px 0;font-size:14.3px;color:var(--text-2);
  border-bottom:1px dashed var(--line);
}
.compare-panel ul li:last-child{border-bottom:0}
.compare-panel ul li i{font-size:12px;margin-top:7px;color:var(--text-3)}
.compare-panel.is-good ul li i{color:var(--brand)}

/* ============ 评价 ============ */
.quote-card{display:flex;flex-direction:column;height:100%}
.quote-mark{font-size:30px;color:var(--brand);opacity:.5;line-height:1}
.quote-card p{margin-top:14px;font-size:14.6px;color:var(--text-2);line-height:1.92;flex:1}
.quote-user{display:flex;align-items:center;gap:13px;margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.avatar{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  font-size:15px;font-weight:700;color:#12141a;
  background:linear-gradient(140deg,#e9b757,var(--brand-deep));
}
.quote-user strong{display:block;font-size:14.5px;color:#fff;font-weight:600}
.quote-user span{display:block;font-size:12.6px;color:var(--text-3);margin-top:2px}

/* ============ 套餐 ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;align-items:stretch}
.plan{
  padding:34px 28px 30px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:rgba(255,255,255,.022);
  display:flex;flex-direction:column;
  transition:transform .32s ease,border-color .32s ease,box-shadow .32s ease;
}
.plan:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.plan.is-featured{
  border-color:rgba(217,164,65,.5);
  background:linear-gradient(180deg,rgba(217,164,65,.11),rgba(255,255,255,.015));
  box-shadow:var(--sh-brand);position:relative;
}
.plan-flag{
  position:absolute;top:-13px;left:28px;
  padding:5px 14px;border-radius:999px;font-size:12px;font-weight:700;
  background:linear-gradient(140deg,#e9b757,var(--brand-deep));color:#15171d;
  letter-spacing:.06em;
}
.plan-name{font-size:17px;font-weight:700;color:#fff}
.plan-desc{font-size:13.4px;color:var(--text-3);margin-top:7px;min-height:40px}
.plan-price{margin:20px 0 6px;display:flex;align-items:baseline;gap:6px}
.plan-price b{font-size:38px;font-weight:800;color:#fff;letter-spacing:-.03em;line-height:1}
.plan-price span{font-size:14px;color:var(--text-3)}
.plan-sub{font-size:12.8px;color:var(--text-3)}
.plan ul{margin:24px 0 28px;flex:1}
.plan ul li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text-2);padding:8px 0;line-height:1.7;
}
.plan ul li i{font-size:12px;margin-top:6px;color:var(--brand)}
.plan .btn{width:100%}

/* ============ 资讯 ============ */
.news-list{display:flex;flex-direction:column;gap:2px}
.news-item{
  display:grid;grid-template-columns:132px 1fr auto;gap:24px;align-items:center;
  padding:24px 22px;border-radius:var(--r-md);
  border:1px solid transparent;border-bottom-color:var(--line);
  transition:.3s ease;
}
.news-item:hover{background:rgba(255,255,255,.03);border-color:var(--line);transform:translateX(4px)}
.news-date{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;letter-spacing:.05em}
.news-body h3{font-size:16.5px;font-weight:600;color:#fff;line-height:1.55;transition:color .25s}
.news-item:hover .news-body h3{color:var(--brand)}
.news-body p{font-size:13.6px;color:var(--text-2);margin-top:8px;line-height:1.8}
.news-arrow{color:var(--text-3);font-size:14px;transition:.28s ease}
.news-item:hover .news-arrow{color:var(--brand);transform:translateX(4px)}

/* ============ 保障清单 ============ */
.assure-wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:52px;align-items:center}
.assure-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.assure-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:17px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.026);border:1px solid var(--line);
  transition:.3s ease;
}
.assure-item:hover{border-color:rgba(79,209,197,.35);background:rgba(79,209,197,.05)}
.assure-item i{color:var(--teal);font-size:14px;margin-top:5px}
.assure-item strong{display:block;font-size:14.6px;color:#fff;font-weight:600}
.assure-item span{display:block;font-size:13px;color:var(--text-3);margin-top:5px;line-height:1.7}

/* ============ 要点速览 ============ */
.quick-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.quick-item{
  padding:26px 22px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(255,255,255,.022);
  transition:.3s ease;
}
.quick-item:hover{transform:translateY(-4px);border-color:rgba(217,164,65,.35)}
.quick-num{
  font-size:12.5px;font-weight:700;color:var(--brand);letter-spacing:.14em;
  font-variant-numeric:tabular-nums;
}
.quick-item h3{margin-top:12px;font-size:15.6px;font-weight:700;color:#fff;line-height:1.55}
.quick-item p{margin-top:9px;font-size:13.4px;color:var(--text-2);line-height:1.8}

/* ============ FAQ ============ */
.faq{max-width:880px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;background:rgba(255,255,255,.022);
  transition:border-color .3s ease,background .3s ease;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item.is-open{border-color:rgba(217,164,65,.4);background:rgba(217,164,65,.055)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:21px 24px;text-align:left;
  font-size:16px;font-weight:600;color:#fff;line-height:1.6;
}
.faq-q i{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;font-size:11px;
  background:rgba(255,255,255,.07);color:var(--text-2);
  transition:.3s ease;
}
.faq-item.is-open .faq-q i{background:var(--brand);color:#15171d;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-a p{padding:0 24px 22px;font-size:14.6px;color:var(--text-2);line-height:1.9}

/* ============ 转化表单 ============ */
.join-band{
  border-radius:var(--r-xl);
  border:1px solid rgba(217,164,65,.28);
  background:
    radial-gradient(620px 320px at 12% 0%,rgba(217,164,65,.16),transparent 68%),
    linear-gradient(180deg,#191d27,#11141b);
  padding:56px 52px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.92fr);
  gap:52px;align-items:center;
  box-shadow:var(--sh-lg);
}
.join-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;color:#fff;line-height:1.42}
.join-band p{margin-top:16px;color:var(--text-2);font-size:14.8px;line-height:1.9}
.join-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.lead-form{
  display:grid;gap:16px;
  padding:28px;border-radius:var(--r-lg);
  background:rgba(11,13,18,.55);border:1px solid var(--line);
}
.field{display:grid;gap:8px}
.field label{font-size:13px;color:var(--text-2);letter-spacing:.03em}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:11px;
  background:rgba(255,255,255,.045);
  border:1px solid var(--line-strong);
  color:#fff;font-size:14.5px;
  transition:border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);
  background:rgba(217,164,65,.07);
  box-shadow:0 0 0 3px rgba(217,164,65,.14);
}
.field select option{background:#161a24}
.form-tip{font-size:12.4px;color:var(--text-3);line-height:1.7}

/* ============ 下载引导 ============ */
.download-band{
  display:grid;grid-template-columns:repeat(2,1fr);gap:22px;
}
.dl-card{
  padding:34px 32px;border-radius:var(--r-lg);
  border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(255,255,255,.05),rgba(255,255,255,.012));
  display:flex;flex-direction:column;gap:14px;
  transition:.32s ease;
}
.dl-card:hover{transform:translateY(-5px);border-color:rgba(217,164,65,.34);box-shadow:var(--sh-md)}
.dl-card i.dl-icon{font-size:26px;color:var(--brand)}
.dl-card h3{font-size:19px;font-weight:700;color:#fff}
.dl-card p{font-size:14.2px;color:var(--text-2);line-height:1.85;flex:1}
.dl-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:6px}

/* ============ 页脚 ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--bg-soft);
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:44px;
}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:13.8px;color:var(--text-2);line-height:1.9;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:13.8px;color:var(--text-2)}
.footer-col ul li a:hover{color:var(--brand)}
.footer-col ul li span{font-size:13.8px;color:var(--text-3)}
.footer-bottom{
  margin-top:52px;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:12.8px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .hero-stage{grid-template-columns:1fr;gap:28px}
  .hero-side{flex-direction:row;flex-wrap:wrap}
  .hero-side li{flex:1 1 calc(50% - 14px);min-width:220px}
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:repeat(3,1fr)}
  .timeline ul{grid-template-columns:repeat(3,1fr);row-gap:34px}
  .timeline ul::before{display:none}
  .demo-wrap{grid-template-columns:1fr;gap:36px}
  .assure-wrap{grid-template-columns:1fr;gap:36px}
  .join-band{grid-template-columns:1fr;gap:34px;padding:44px 34px}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
}
@media (max-width:860px){
  .nav-main{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 20px;
    background:rgba(11,13,18,.98);
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-md);
    display:none;
  }
  .nav-main.is-open{display:flex}
  .nav-link{padding:13px 14px;font-size:15px}
  .nav-link.is-active::after{display:none}
  .menu-toggle{display:grid}
  .status-dot{display:none}
  .hero{padding:60px 0 56px}
  .section{padding:72px 0}
  .cols-3{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr)}
  .plans{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .download-band{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr auto;gap:14px}
  .news-date{grid-column:1 / -1}
}
@media (max-width:600px){
  .container{padding:0 18px}
  .hero h1{font-size:26px}
  .hero-side li{flex:1 1 100%}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .cols-4{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .timeline ul{grid-template-columns:1fr}
  .assure-list{grid-template-columns:1fr}
  .join-band{padding:32px 22px;border-radius:var(--r-lg)}
  .lead-form{padding:22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .hero-actions .btn{width:100%}
  .section{padding:56px 0}
  .section-head{margin-bottom:38px}
  .demo-layout{grid-template-columns:1fr}
  .demo-side{display:none}
}

/* roulang page: category1 */
:root{
 --bg:#0b0d12;
 --bg-soft:#10131a;
 --surface:#161a24;
 --surface-2:#1c2130;
 --surface-3:#232937;
 --line:rgba(255,255,255,.08);
 --line-strong:rgba(255,255,255,.16);
 --text:#eceef4;
 --text-2:#a4adc0;
 --text-3:#6d768a;
 --brand:#d9a441;
 --brand-soft:rgba(217,164,65,.14);
 --brand-deep:#a87a26;
 --teal:#4fd1c5;
 --rose:#e0688a;
 --r-xs:8px;
 --r-sm:12px;
 --r-md:18px;
 --r-lg:26px;
 --r-xl:34px;
 --sh-sm:0 4px 14px rgba(0,0,0,.28);
 --sh-md:0 14px 40px rgba(0,0,0,.4);
 --sh-lg:0 28px 70px rgba(0,0,0,.55);
 --sh-brand:0 12px 34px rgba(217,164,65,.22);
 --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.78;
 letter-spacing:.01em;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s ease,opacity .25s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.34}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{
 width:100%;
 max-width:var(--max);
 margin:0 auto;
 padding:0 24px;
}
.section{padding:96px 0;position:relative}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tight{padding:70px 0}
.section-head{max-width:760px;margin:0 auto 54px;text-align:center}
.section-head--left{margin:0 0 44px;text-align:left}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;letter-spacing:.22em;text-transform:uppercase;
 color:var(--brand);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block}
.section-title{
 font-size:clamp(24px,3.1vw,36px);
 line-height:1.36;font-weight:700;letter-spacing:-.01em;
 color:#fff;
}
.section-title em{font-style:normal;color:var(--brand)}
.section-desc{margin-top:18px;color:var(--text-2);font-size:16px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:46px;flex-wrap:wrap}
.sec-head-row .section-head--left{margin:0}
.link-more{
 display:inline-flex;align-items:center;gap:8px;
 font-size:14px;font-weight:600;color:var(--brand);
 border:1px solid rgba(217,164,65,.3);
 padding:9px 18px;border-radius:10px;
 transition:.24s ease;
}
.link-more:hover{background:var(--brand-soft);transform:translateX(2px)}
/* ===== 导航 ===== */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(11,13,18,.86);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:68px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
 width:36px;height:36px;border-radius:11px;
 display:grid;place-items:center;
 background:linear-gradient(145deg,var(--brand),var(--brand-deep));
 color:#12141a;font-weight:800;font-size:17px;
 box-shadow:var(--sh-brand);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:#fff;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
 position:relative;
 padding:9px 15px;border-radius:10px;
 font-size:14.5px;color:var(--text-2);font-weight:500;
 transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.is-active{color:#fff;background:var(--brand-soft)}
.nav-link.is-active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:3px;
 height:2px;border-radius:2px;background:var(--brand);
}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
 position:relative;width:38px;height:38px;border-radius:11px;
 display:grid;place-items:center;
 border:1px solid var(--line);color:var(--text-2);
 transition:.22s ease;
}
.icon-btn:hover{color:#fff;border-color:var(--line-strong);background:rgba(255,255,255,.05)}
.badge-dot{
 position:absolute;top:8px;right:9px;width:7px;height:7px;
 border-radius:50%;background:var(--rose);border:2px solid var(--bg);
}
.menu-toggle{display:none;width:40px;height:40px;border-radius:11px;border:1px solid var(--line);color:var(--text);place-items:center}
/* ===== 按钮 / 标签 ===== */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:12px;
 font-size:15px;font-weight:600;letter-spacing:.02em;
 border:1px solid transparent;white-space:nowrap;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:linear-gradient(140deg,#e9b757,var(--brand-deep));color:#15171d;box-shadow:var(--sh-brand)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(217,164,65,.3);color:#15171d}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-ghost{color:var(--text-2)}
.btn-ghost:hover{color:#fff}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px}
.btn-lg{padding:16px 34px;font-size:16px;border-radius:14px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:500;
 background:rgba(255,255,255,.05);color:var(--text-2);
 border:1px solid var(--line);
}
.tag--brand{background:var(--brand-soft);color:var(--brand);border-color:rgba(217,164,65,.28)}
.tag--teal{background:rgba(79,209,197,.12);color:var(--teal);border-color:rgba(79,209,197,.26)}
.tag--rose{background:rgba(224,104,138,.12);color:var(--rose);border-color:rgba(224,104,138,.26)}
/* ===== 分类页首屏 ===== */
.cat-hero{
 position:relative;overflow:hidden;
 padding:74px 0 132px;
 background:
 radial-gradient(900px 460px at 18% -12%,rgba(217,164,65,.16),transparent 66%),
 radial-gradient(720px 420px at 92% 8%,rgba(79,209,197,.09),transparent 70%),
 linear-gradient(180deg,#0d1016,#0b0d12 68%);
}
.cat-hero::after{
 content:"";position:absolute;inset:0;
 background-image:linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
 background-size:64px 64px;
 mask-image:radial-gradient(circle at 40% 10%,#000 0%,transparent 74%);
 -webkit-mask-image:radial-gradient(circle at 40% 10%,#000 0%,transparent 74%);
 pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.hero-crumbs{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.hero-crumbs a:hover{color:var(--brand)}
.hero-crumbs i{font-size:10px}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr);gap:52px;align-items:center}
.cat-hero h1{
 font-size:clamp(27px,3.9vw,46px);
 line-height:1.24;font-weight:800;letter-spacing:-.02em;color:#fff;
}
.cat-hero h1 span{color:var(--brand)}
.hero-lead{margin-top:22px;color:var(--text-2);font-size:16.5px;max-width:660px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-panel{
 background:linear-gradient(168deg,var(--surface-2),rgba(22,26,36,.72));
 border:1px solid var(--line-strong);
 border-radius:var(--r-lg);
 padding:30px 28px;
 box-shadow:var(--sh-md);
}
.hero-panel-title{font-size:14px;color:var(--text-3);letter-spacing:.16em;text-transform:uppercase;margin-bottom:20px}
.hero-panel-list li{
 display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
 padding:14px 0;border-bottom:1px dashed var(--line);
 font-size:14.5px;color:var(--text-2);
}
.hero-panel-list li:last-child{border-bottom:0}
.hero-panel-list strong{color:#fff;font-size:15px}
.hero-panel-foot{
 margin-top:20px;padding-top:18px;border-top:1px solid var(--line);
 display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3);
}
/* 系列导航条叠在大图上 */
.series-bar{
 position:relative;z-index:5;
 margin-top:-70px;
}
.series-bar-inner{
 display:flex;align-items:center;gap:20px;
 background:linear-gradient(150deg,var(--surface-2),var(--surface));
 border:1px solid var(--line-strong);
 border-radius:var(--r-md);
 padding:16px 22px;
 box-shadow:var(--sh-md);
 flex-wrap:wrap;
}
.series-label{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:600;color:var(--brand);letter-spacing:.1em;
 padding-right:20px;border-right:1px solid var(--line);
 white-space:nowrap;
}
.series-tabs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;flex:1}
.series-tab{
 padding:8px 16px;border-radius:999px;
 font-size:13.5px;color:var(--text-2);
 border:1px solid transparent;
 transition:.22s ease;
}
.series-tab:hover{color:#fff;background:rgba(255,255,255,.06)}
.series-tab.is-active{color:#15171d;background:linear-gradient(140deg,#e9b757,var(--brand-deep));font-weight:600}
/* ===== 指标看板 ===== */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.metric-card{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--r-md);
 padding:26px 24px;
 transition:.26s ease;
}
.metric-card:hover{transform:translateY(-4px);border-color:rgba(217,164,65,.34);box-shadow:var(--sh-md)}
.metric-value{
 font-size:clamp(26px,3vw,34px);
 font-weight:800;color:#fff;letter-spacing:-.02em;
 display:flex;align-items:baseline;gap:6px;
}
.metric-value small{font-size:15px;font-weight:600;color:var(--brand)}
.metric-label{margin-top:10px;font-size:14.5px;color:var(--text-2)}
.metric-note{margin-top:8px;font-size:12.5px;color:var(--text-3)}
/* ===== 检索矩阵 ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.matrix-card{
 background:linear-gradient(170deg,var(--surface-2),var(--surface));
 border:1px solid var(--line);
 border-radius:var(--r-md);
 padding:28px 26px;
 transition:.26s ease;
}
.matrix-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--sh-md)}
.matrix-icon{
 width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);font-size:18px;margin-bottom:18px;
}
.matrix-title{font-size:17.5px;color:#fff;margin-bottom:10px}
.matrix-desc{font-size:14.5px;color:var(--text-2)}
.matrix-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
/* ===== 条目列表 ===== */
.work-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.work-item{
 display:grid;grid-template-columns:168px minmax(0,1fr);gap:20px;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--r-md);
 padding:16px;
 transition:.26s ease;
}
.work-item:hover{border-color:rgba(217,164,65,.32);transform:translateY(-3px);box-shadow:var(--sh-md)}
.work-thumb{
 position:relative;border-radius:var(--r-sm);overflow:hidden;
 aspect-ratio:3/4;
 background:
 radial-gradient(120% 90% at 20% 0%,rgba(217,164,65,.4),transparent 60%),
 radial-gradient(100% 100% at 90% 100%,rgba(79,209,197,.24),transparent 62%),
 linear-gradient(160deg,#242a38,#141822);
 display:grid;place-items:center;
 color:rgba(255,255,255,.24);font-size:26px;
}
.work-thumb::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(180deg,transparent 45%,rgba(0,0,0,.55));
}
.work-dur{
 position:absolute;right:9px;bottom:9px;z-index:2;
 font-size:11.5px;color:#fff;background:rgba(11,13,18,.78);
 padding:3px 9px;border-radius:999px;letter-spacing:.04em;
}
.work-body{display:flex;flex-direction:column;justify-content:center}
.work-title{font-size:17px;color:#fff;margin-bottom:10px}
.work-desc{font-size:14px;color:var(--text-2);margin-bottom:14px}
.work-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:12.8px;color:var(--text-3);margin-bottom:14px}
.work-meta span{display:inline-flex;align-items:center;gap:6px}
.work-tags{display:flex;flex-wrap:wrap;gap:8px}
/* ===== 权益对比 ===== */
.compare-wrap{
 overflow-x:auto;
 border:1px solid var(--line-strong);
 border-radius:var(--r-md);
 background:var(--surface);
 box-shadow:var(--sh-sm);
}
.compare-table{width:100%;border-collapse:collapse;min-width:640px}
.compare-table th,.compare-table td{
 padding:17px 22px;text-align:left;font-size:14.5px;
 border-bottom:1px solid var(--line);
}
.compare-table thead th{
 font-size:13px;letter-spacing:.14em;text-transform:uppercase;
 color:var(--text-3);background:rgba(255,255,255,.03);font-weight:600;
}
.compare-table thead th:nth-child(2){color:var(--text-2)}
.compare-table thead th:nth-child(3){color:var(--brand)}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover{background:rgba(255,255,255,.022)}
.compare-table td:first-child{color:var(--text-2)}
.compare-table td:nth-child(2){color:var(--text-3)}
.compare-table td:nth-child(3){color:#fff;font-weight:600}
.compare-table td:nth-child(3) i{color:var(--brand);margin-right:8px}
.compare-note{margin-top:18px;font-size:13.5px;color:var(--text-3);display:flex;align-items:center;gap:10px}
/* ===== 里程碑 ===== */
.timeline{
 position:relative;
 display:grid;gap:0;
 border-left:2px solid var(--line-strong);
 margin-left:8px;
}
.tl-item{position:relative;padding:0 0 36px 34px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;
 background:var(--bg);border:2px solid var(--brand);
}
.tl-year{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.1em;margin-bottom:8px}
.tl-body h4{font-size:17px;color:#fff;margin-bottom:8px}
.tl-body p{font-size:14.5px;color:var(--text-2)}
/* ===== 资讯列表 ===== */
.news-list{display:grid;gap:14px}
.news-item{
 display:grid;grid-template-columns:120px minmax(0,1fr) auto;gap:24px;align-items:center;
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--r-sm);
 padding:20px 24px;
 transition:.24s ease;
}
.news-item:hover{border-color:var(--line-strong);background:var(--surface-2);transform:translateX(3px)}
.news-date{font-size:13px;color:var(--text-3);letter-spacing:.06em}
.news-main h4{font-size:16.5px;color:#fff;margin-bottom:6px}
.news-main p{font-size:14px;color:var(--text-2)}
.news-arrow{color:var(--text-3);font-size:14px}
.news-item:hover .news-arrow{color:var(--brand)}
/* ===== 保障 ===== */
.assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.assure-card{
 background:var(--bg-soft);
 border:1px solid var(--line);
 border-radius:var(--r-md);
 padding:26px 22px;
 text-align:left;
 transition:.26s ease;
}
.assure-card:hover{border-color:rgba(79,209,197,.3);transform:translateY(-3px)}
.assure-card i{font-size:19px;color:var(--teal);margin-bottom:14px;display:block}
.assure-card h4{font-size:16px;color:#fff;margin-bottom:8px}
.assure-card p{font-size:14px;color:var(--text-2)}
/* ===== FAQ ===== */
.faq-list{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq-item{
 background:var(--surface);
 border:1px solid var(--line);
 border-radius:var(--r-sm);
 padding:6px 22px;
 transition:.24s ease;
}
.faq-item[open]{border-color:rgba(217,164,65,.32);background:var(--surface-2)}
.faq-item summary{
 list-style:none;cursor:pointer;
 display:flex;align-items:center;justify-content:space-between;gap:18px;
 padding:16px 0;font-size:16px;font-weight:600;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
 font-size:12px;color:var(--brand);transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-item p{padding:0 0 20px;font-size:14.6px;color:var(--text-2);max-width:760px}
/* ===== 转化表单 ===== */
.join-panel{
 display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;
 background:linear-gradient(150deg,var(--surface-2),rgba(16,19,26,.9));
 border:1px solid var(--line-strong);
 border-radius:var(--r-lg);
 padding:48px 46px;
 box-shadow:var(--sh-md);
}
.join-copy h2{font-size:clamp(23px,2.6vw,30px);color:#fff;line-height:1.36}
.join-copy p{margin-top:16px;color:var(--text-2);font-size:15px}
.join-points{margin-top:24px;display:grid;gap:12px}
.join-points li{display:flex;align-items:flex-start;gap:11px;font-size:14.5px;color:var(--text-2)}
.join-points i{color:var(--brand);font-size:13px;margin-top:6px}
.join-form{background:rgba(11,13,18,.55);border:1px solid var(--line);border-radius:var(--r-md);padding:28px 26px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.field input,.field select{
 width:100%;padding:12px 14px;border-radius:10px;
 background:var(--surface);border:1px solid var(--line-strong);color:#fff;
 transition:.22s ease;
}
.field input::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus{border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(217,164,65,.16)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.join-form .btn{width:100%;margin-top:6px}
.form-note{margin-top:14px;font-size:12.6px;color:var(--text-3);line-height:1.7}
.form-msg{margin-top:14px;font-size:13.5px;color:var(--teal);display:none}
.form-msg.is-show{display:block}
/* ===== 页脚 ===== */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:72px 0 30px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:400px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.06em}
.footer-col ul{display:grid;gap:11px}
.footer-col li a,.footer-col li span{font-size:14px;color:var(--text-2)}
.footer-col li a:hover{color:var(--brand)}
.footer-bottom{
 margin-top:52px;padding-top:22px;border-top:1px solid var(--line);
 display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
 font-size:13px;color:var(--text-3);
}
/* ===== 响应式 ===== */
@media (max-width:1024px){
 .cat-hero-grid{grid-template-columns:1fr;gap:38px}
 .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .assure-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .work-list{grid-template-columns:1fr}
 .join-panel{grid-template-columns:1fr;gap:34px;padding:38px 30px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
 .section{padding:78px 0}
}
@media (max-width:768px){
 .menu-toggle{display:grid}
 .nav-main{
  position:absolute;top:100%;left:0;right:0;margin:0;
  flex-direction:column;align-items:stretch;gap:2px;
  padding:12px 16px 18px;
  background:rgba(11,13,18,.98);
  border-bottom:1px solid var(--line);
  display:none;
 }
 .nav-main.is-open{display:flex}
 .nav-link{padding:12px 14px}
 .nav-link.is-active::after{display:none}
 .cat-hero{padding:52px 0 118px}
 .series-bar{margin-top:-58px}
 .series-bar-inner{padding:14px 16px;gap:14px}
 .series-label{border-right:0;padding-right:0}
 .hero-cta .btn{flex:1 1 100%}
 .news-item{grid-template-columns:1fr;gap:8px;padding:18px 20px}
 .news-arrow{display:none}
 .work-item{grid-template-columns:120px minmax(0,1fr);gap:16px}
 .join-form{padding:22px 20px}
 .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
 .container{padding:0 18px}
 .metric-grid,.matrix-grid,.assure-grid,.form-row{grid-template-columns:1fr}
 .footer-grid{grid-template-columns:1fr}
 .work-item{grid-template-columns:1fr}
 .work-thumb{aspect-ratio:16/9}
 .section{padding:62px 0}
 .brand-text{font-size:15.5px}
 .cat-hero h1{font-size:26px}
 .join-panel{padding:28px 20px}
}

/* roulang page: category3 */
:root{
  --bg:#0b0d12;
  --bg-soft:#10131a;
  --surface:#161a24;
  --surface-2:#1c2130;
  --surface-3:#232937;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --text:#eceef4;
  --text-2:#a4adc0;
  --text-3:#6d768a;
  --brand:#d9a441;
  --brand-soft:rgba(217,164,65,.14);
  --brand-deep:#a87a26;
  --teal:#4fd1c5;
  --rose:#e0688a;
  --r-xs:8px;
  --r-sm:12px;
  --r-md:18px;
  --r-lg:26px;
  --r-xl:34px;
  --sh-sm:0 4px 14px rgba(0,0,0,.28);
  --sh-md:0 14px 40px rgba(0,0,0,.4);
  --sh-lg:0 28px 70px rgba(0,0,0,.55);
  --sh-brand:0 12px 34px rgba(217,164,65,.22);
  --max:1200px;
}
/* ===== 基础 reset / base ===== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.78;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,form{margin:0}
ul,ol{padding:0;list-style:none}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s ease,background-color .25s ease,border-color .25s ease,opacity .25s ease,transform .25s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
::selection{background:rgba(217,164,65,.3);color:#fff}
/* ===== 容器与板块 ===== */
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.section{padding:92px 0;position:relative}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tight{padding:70px 0}
.section-head{max-width:780px;margin:0 auto 52px;text-align:center}
.section-head--left{margin:0 0 46px;text-align:left;max-width:720px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--brand);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block}
.section-title{
  font-size:clamp(24px,3.1vw,36px);
  line-height:1.36;font-weight:700;letter-spacing:-.01em;color:#fff;
}
.section-title em{font-style:normal;color:var(--brand)}
.section-desc{margin-top:18px;color:var(--text-2);font-size:16px}
.divider{height:1px;background:var(--line);border:0;margin:0}
/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(11,13,18,.86);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,var(--brand),var(--brand-deep));
  color:#12141a;font-weight:800;font-size:17px;
  box-shadow:var(--sh-brand);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:#fff;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
  position:relative;
  padding:9px 15px;border-radius:10px;
  font-size:14.5px;color:var(--text-2);font-weight:500;
  transition:color .22s ease,background-color .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.is-active{color:#fff;background:var(--brand-soft)}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:3px;
  height:2px;border-radius:2px;background:var(--brand);
}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.icon-btn{
  position:relative;width:38px;height:38px;border-radius:11px;
  display:grid;place-items:center;
  border:1px solid var(--line);color:var(--text-2);
  transition:color .22s ease,border-color .22s ease,background-color .22s ease;
}
.icon-btn:hover{color:#fff;border-color:var(--line-strong);background:rgba(255,255,255,.05)}
.badge-dot{
  position:absolute;top:8px;right:9px;width:7px;height:7px;
  border-radius:50%;background:var(--rose);border:2px solid var(--bg);
}
.status-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 13px;border-radius:999px;
  border:1px solid var(--line);background:rgba(255,255,255,.03);
  font-size:12.5px;color:var(--text-2);white-space:nowrap;
}
.status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--teal);
  box-shadow:0 0 0 4px rgba(79,209,197,.14);
  animation:pulse 2.4s ease-in-out infinite;
}
@keyframes pulse{
  0%,100%{opacity:1;transform:scale(1)}
  50%{opacity:.55;transform:scale(.86)}
}
.menu-toggle{
  display:none;width:40px;height:40px;border-radius:11px;
  border:1px solid var(--line);color:var(--text);place-items:center;
}
.menu-toggle:hover{border-color:var(--line-strong);background:rgba(255,255,255,.05)}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:var(--bg-soft);padding:10px 24px 20px}
.mobile-drawer.is-open{display:block}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:10px;
  font-size:15px;color:var(--text-2);
}
.mobile-drawer a:hover,.mobile-drawer a.is-active{color:#fff;background:rgba(255,255,255,.06)}
/* ===== 按钮 / 标签 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:12px;
  font-size:15px;font-weight:600;letter-spacing:.02em;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
  background:linear-gradient(140deg,#e9b757,var(--brand-deep));
  color:#15171d;box-shadow:var(--sh-brand);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(217,164,65,.3);color:#15171d}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-ghost{color:var(--text-2)}
.btn-ghost:hover{color:#fff}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px}
.btn-lg{padding:16px 34px;font-size:16px;border-radius:14px}
.btn-block{width:100%}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;font-weight:500;
  background:rgba(255,255,255,.05);color:var(--text-2);
  border:1px solid var(--line);
}
.tag--brand{background:var(--brand-soft);color:var(--brand);border-color:rgba(217,164,65,.28)}
.tag--teal{background:rgba(79,209,197,.12);color:var(--teal);border-color:rgba(79,209,197,.26)}
.tag--rose{background:rgba(224,104,138,.12);color:var(--rose);border-color:rgba(224,104,138,.26)}
/* ===== 首屏视频遮罩 ===== */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background:var(--bg);
}
.hero-media{
  position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(760px 440px at 12% 6%,rgba(217,164,65,.18),transparent 66%),
    radial-gradient(640px 400px at 88% 34%,rgba(79,209,197,.11),transparent 70%),
    linear-gradient(180deg,#131722,#0b0d12);
}
.hero-media::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(circle at 28% 30%,#000 0%,transparent 76%);
  -webkit-mask-image:radial-gradient(circle at 28% 30%,#000 0%,transparent 76%);
}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,13,18,.42) 0%,rgba(11,13,18,.72) 62%,var(--bg) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.06fr .94fr;
  gap:56px;align-items:center;
  padding:84px 0 74px;
}
.hero h1{
  font-size:clamp(28px,4vw,46px);
  line-height:1.28;font-weight:800;letter-spacing:-.02em;color:#fff;
  margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:16.5px;color:var(--text-2);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.video-frame{
  position:relative;aspect-ratio:16/9;
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  background:linear-gradient(150deg,#1d2331,#0d1017 62%);
  box-shadow:var(--sh-lg);
  display:grid;place-items:center;
}
.video-frame::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:100% 26px;
  opacity:.6;
}
.video-frame::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 260px at 50% 50%,rgba(217,164,65,.14),transparent 72%);
}
.play-btn{
  position:relative;z-index:3;
  width:84px;height:84px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#eab95a,var(--brand-deep));
  color:#15171d;font-size:26px;
  box-shadow:0 0 0 12px rgba(217,164,65,.13),0 18px 44px rgba(0,0,0,.5);
  transition:transform .3s ease,box-shadow .3s ease;
}
.play-btn:hover{transform:scale(1.07);box-shadow:0 0 0 20px rgba(217,164,65,.18),0 22px 50px rgba(0,0,0,.55)}
.play-btn:active{transform:scale(1);}
.frame-label{
  position:absolute;left:18px;top:16px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 13px;border-radius:999px;
  background:rgba(11,13,18,.68);
  border:1px solid var(--line);
  font-size:12.5px;color:var(--text-2);
  backdrop-filter:blur(8px);
}
.frame-label i{color:var(--rose);font-size:10px}
.frame-foot{
  position:absolute;left:18px;right:18px;bottom:16px;z-index:3;
  display:flex;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);
}
/* ===== 指标看板 ===== */
.metrics-section{padding:0 0 8px}
.metric-strip{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
  margin-top:-40px;position:relative;z-index:5;
}
.metric{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:22px 20px;
  box-shadow:var(--sh-md);
  transition:transform .28s ease,border-color .28s ease,background-color .28s ease;
}
.metric:hover{transform:translateY(-4px);border-color:rgba(217,164,65,.34);background:var(--surface-2)}
.metric-value{font-size:29px;font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2}
.metric-value span{font-size:14px;color:var(--brand);font-weight:600;margin-left:4px}
.metric-label{margin-top:6px;font-size:13.5px;color:var(--text-2)}
/* ===== 专题矩阵 ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.matrix-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px 24px 24px;
  transition:transform .3s ease,border-color .3s ease,background-color .3s ease,box-shadow .3s ease;
}
.matrix-card::after{
  content:"";position:absolute;left:0;top:0;height:2px;width:0;
  background:linear-gradient(90deg,var(--brand),transparent);
  transition:width .45s ease;
}
.matrix-card:hover{transform:translateY(-5px);border-color:rgba(217,164,65,.32);background:var(--surface-2);box-shadow:var(--sh-md)}
.matrix-card:hover::after{width:100%}
.matrix-icon{
  width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand);
  font-size:18px;margin-bottom:18px;
}
.matrix-card h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px}
.matrix-card p{font-size:14.5px;color:var(--text-2)}
.matrix-foot{margin-top:18px;display:flex;flex-wrap:wrap;gap:8px}
/* ===== 结果对比 ===== */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.compare-col{
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px 28px;background:var(--surface);
  transition:border-color .3s ease,box-shadow .3s ease;
}
.compare-col.is-best{
  border-color:rgba(217,164,65,.36);
  background:linear-gradient(180deg,rgba(217,164,65,.09),var(--surface) 44%);
  box-shadow:var(--sh-md);
}
.compare-col h3{font-size:19px;color:#fff;font-weight:700;display:flex;align-items:center;gap:10px;margin-bottom:6px}
.compare-col h3 i{font-size:15px;color:var(--text-3)}
.compare-col.is-best h3 i{color:var(--brand)}
.compare-note{font-size:13.5px;color:var(--text-3);margin-bottom:18px}
.compare-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:13px 0;border-bottom:1px dashed var(--line);
  font-size:14.6px;color:var(--text-2);
}
.compare-list li:last-child{border-bottom:0}
.compare-list i{margin-top:6px;font-size:12px;color:var(--text-3);flex-shrink:0}
.compare-list li span{color:#fff;font-weight:600}
.compare-col.is-best .compare-list i{color:var(--teal)}
/* ===== 里程碑 ===== */
.timeline{
  display:grid;grid-template-columns:repeat(5,1fr);gap:20px;
  position:relative;padding-top:6px;
}
.timeline::before{
  content:"";position:absolute;left:0;right:0;top:15px;height:1px;
  background:linear-gradient(90deg,transparent,var(--line-strong) 10%,var(--line-strong) 90%,transparent);
}
.tl-item{position:relative;padding-top:48px}
.tl-dot{
  position:absolute;top:0;left:0;
  width:30px;height:30px;border-radius:50%;
  display:grid;place-items:center;
  font-size:12.5px;font-weight:700;color:var(--brand);
  background:var(--surface-2);border:1px solid rgba(217,164,65,.32);
}
.tl-item h4{font-size:15.5px;color:#fff;font-weight:700;margin-bottom:8px}
.tl-item p{font-size:14px;color:var(--text-2)}
/* ===== 资讯列表 ===== */
.news-list{border-top:1px solid var(--line)}
.news-item{
  display:flex;align-items:center;gap:20px;
  padding:20px 6px;border-bottom:1px solid var(--line);
  transition:background-color .25s ease,padding .25s ease;
}
.news-item:hover{background:rgba(255,255,255,.028);padding-left:14px;padding-right:0}
.news-index{
  font-size:13px;font-weight:700;color:var(--brand);
  min-width:34px;font-variant-numeric:tabular-nums;
}
.news-title{flex:1;font-size:16px;font-weight:600;color:var(--text)}
.news-item:hover .news-title{color:#fff}
.news-meta{font-size:13px;color:var(--text-3);white-space:nowrap}
/* ===== 平台保障 ===== */
.assure{
  display:grid;grid-template-columns:repeat(4,1fr);
  border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;background:var(--surface);
}
.assure-item{
  padding:30px 26px;border-right:1px solid var(--line);
  transition:background-color .3s ease;
}
.assure-item:last-child{border-right:0}
.assure-item:hover{background:var(--surface-2)}
.assure-item i{font-size:20px;color:var(--brand);display:block;margin-bottom:14px}
.assure-item h4{font-size:16px;color:#fff;font-weight:700;margin-bottom:8px}
.assure-item p{font-size:14px;color:var(--text-2)}
/* ===== 快速解答 ===== */
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.quick-item{padding-left:20px;border-left:2px solid rgba(217,164,65,.32)}
.quick-item strong{display:block;font-size:15.5px;color:#fff;font-weight:700;margin-bottom:7px}
.quick-item span{font-size:14px;color:var(--text-2)}
/* ===== FAQ ===== */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--surface);margin-bottom:12px;overflow:hidden;
  transition:border-color .25s ease,background-color .25s ease;
}
.faq-item[open]{border-color:rgba(217,164,65,.32);background:var(--surface-2)}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:18px 22px;display:flex;align-items:center;gap:14px;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  margin-left:auto;font-size:13px;color:var(--brand);
  transition:transform .3s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:14.8px;color:var(--text-2)}
/* ===== 转化区 ===== */
.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.plan-list{margin-top:26px}
.plan-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:13px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--text-2);
}
.plan-list li:last-child{border-bottom:0}
.plan-list i{color:var(--teal);font-size:13px;margin-top:6px;flex-shrink:0}
.join-form{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-md);
}
.join-form h3{font-size:19px;color:#fff;font-weight:700;margin-bottom:6px}
.join-form .form-intro{font-size:13.8px;color:var(--text-3);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:11px;
  background:var(--bg-soft);border:1px solid var(--line);
  color:var(--text);font-size:14.5px;
  transition:border-color .25s ease,box-shadow .25s ease,background-color .25s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:0;border-color:var(--brand);background:var(--surface-2);
  box-shadow:0 0 0 3px rgba(217,164,65,.14);
}
.field textarea{min-height:96px;resize:vertical}
.form-note{margin-top:14px;font-size:12.8px;color:var(--text-3);line-height:1.7}
/* ===== 页脚 ===== */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--text-2);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--text-2)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--text-3);
}
/* ===== 响应式 ===== */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:42px;padding:72px 0 66px}
  .metric-strip{grid-template-columns:repeat(3,1fr);margin-top:-28px}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px 20px}
  .timeline::before{display:none}
  .tl-item{padding-top:42px}
  .assure{grid-template-columns:repeat(2,1fr)}
  .assure-item:nth-child(2){border-right:0}
  .assure-item:nth-child(1),.assure-item:nth-child(2){border-bottom:1px solid var(--line)}
  .quick{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:980px){
  .nav-main{display:none}
  .menu-toggle{display:grid}
  .status-chip{display:none}
}
@media (max-width:768px){
  .section{padding:66px 0}
  .section--tight{padding:54px 0}
  .container{padding:0 18px}
  .hero-inner{padding:56px 0 52px}
  .hero h1{font-size:clamp(24px,6.4vw,32px)}
  .hero-actions .btn{flex:1 1 auto}
  .metric-strip{grid-template-columns:repeat(2,1fr);margin-top:0}
  .metrics-section{padding-top:0}
  .matrix-grid{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .assure{grid-template-columns:1fr}
  .assure-item{border-right:0;border-bottom:1px solid var(--line)}
  .assure-item:last-child{border-bottom:0}
  .quick{grid-template-columns:1fr}
  .join-grid{grid-template-columns:1fr;gap:36px}
  .news-item{flex-wrap:wrap;gap:8px 16px}
  .news-title{flex:1 1 100%;font-size:15.4px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column}
}
@media (max-width:520px){
  .header-inner{gap:10px;min-height:62px}
  .brand-text{font-size:15.5px}
  .metric-strip{grid-template-columns:1fr}
  .metric{padding:18px 16px}
  .metric-value{font-size:25px}
  .btn-lg{padding:14px 22px;font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .play-btn{width:66px;height:66px;font-size:21px}
  .join-form{padding:22px}
  .section-title{font-size:22px}
}

/* roulang page: category2 */
:root{
 --bg:#0b0d12;
 --bg-soft:#10131a;
 --surface:#161a24;
 --surface-2:#1c2130;
 --surface-3:#232937;
 --line:rgba(255,255,255,.08);
 --line-strong:rgba(255,255,255,.16);
 --text:#eceef4;
 --text-2:#a4adc0;
 --text-3:#6d768a;
 --brand:#d9a441;
 --brand-soft:rgba(217,164,65,.14);
 --brand-deep:#a87a26;
 --teal:#4fd1c5;
 --rose:#e0688a;
 --r-xs:8px;
 --r-sm:12px;
 --r-md:18px;
 --r-lg:26px;
 --r-xl:34px;
 --sh-sm:0 4px 14px rgba(0,0,0,.28);
 --sh-md:0 14px 40px rgba(0,0,0,.4);
 --sh-lg:0 28px 70px rgba(0,0,0,.55);
 --sh-brand:0 12px 34px rgba(217,164,65,.22);
 --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 background:var(--bg);
 color:var(--text);
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;
 line-height:1.78;
 letter-spacing:.01em;
 -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .25s ease}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}
.container{
 width:100%;
 max-width:var(--max);
 margin:0 auto;
 padding:0 24px;
}
.section{padding:96px 0;position:relative}
.section--soft{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section--tight{padding:72px 0}
.section-head{max-width:780px;margin:0 auto 54px;text-align:center}
.section-head--left{margin:0 0 46px;text-align:left;max-width:720px}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:12px;letter-spacing:.22em;text-transform:uppercase;
 color:var(--brand);font-weight:600;margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--brand);display:inline-block}
.section-title{
 font-size:clamp(24px,3.1vw,36px);
 line-height:1.36;font-weight:700;letter-spacing:-.01em;
 color:#fff;
}
.section-title em{font-style:normal;color:var(--brand)}
.section-desc{margin-top:18px;color:var(--text-2);font-size:16px}

/* ============ 导航 ============ */
.site-header{
 position:sticky;top:0;z-index:80;
 background:rgba(11,13,18,.82);
 backdrop-filter:blur(16px);
 -webkit-backdrop-filter:blur(16px);
 border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
 width:36px;height:36px;border-radius:11px;
 display:grid;place-items:center;
 background:linear-gradient(145deg,var(--brand),var(--brand-deep));
 color:#12141a;font-weight:800;font-size:17px;
 box-shadow:var(--sh-brand);
}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.02em;color:#fff;white-space:nowrap}
.nav-main{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{
 position:relative;
 padding:9px 15px;border-radius:10px;
 font-size:14.5px;color:var(--text-2);font-weight:500;
 transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav-link.is-active{color:#fff;background:var(--brand-soft)}
.nav-link.is-active::after{
 content:"";position:absolute;left:15px;right:15px;bottom:3px;
 height:2px;border-radius:2px;background:var(--brand);
}
.nav-tools{display:flex;align-items:center;gap:12px;margin-left:auto}
.status-pill{
 display:inline-flex;align-items:center;gap:8px;
 padding:7px 14px;border-radius:999px;
 border:1px solid var(--line);background:rgba(255,255,255,.03);
 font-size:12.5px;color:var(--text-2);white-space:nowrap;
}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--teal);box-shadow:0 0 0 4px rgba(79,209,197,.14)}
.icon-btn{
 position:relative;width:38px;height:38px;border-radius:11px;
 display:grid;place-items:center;
 border:1px solid var(--line);color:var(--text-2);
 transition:.22s ease;
}
.icon-btn:hover{color:#fff;border-color:var(--line-strong);background:rgba(255,255,255,.05)}
.badge-dot{
 position:absolute;top:8px;right:9px;width:7px;height:7px;
 border-radius:50%;background:var(--rose);border:2px solid var(--bg);
}
.menu-toggle{display:none;width:40px;height:40px;border-radius:11px;border:1px solid var(--line);color:var(--text);place-items:center}

/* ============ 按钮 / 标签 ============ */
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:9px;
 padding:13px 26px;border-radius:12px;
 font-size:15px;font-weight:600;letter-spacing:.02em;
 border:1px solid transparent;white-space:nowrap;
 transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{
 background:linear-gradient(140deg,#e9b757,var(--brand-deep));
 color:#15171d;box-shadow:var(--sh-brand);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px rgba(217,164,65,.3);color:#15171d}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--line-strong);color:var(--text);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-ghost{color:var(--text-2)}
.btn-ghost:hover{color:#fff}
.btn-sm{padding:9px 18px;font-size:13.5px;border-radius:10px}
.btn-lg{padding:16px 34px;font-size:16px;border-radius:14px}
.tag{
 display:inline-flex;align-items:center;gap:6px;
 padding:5px 12px;border-radius:999px;
 font-size:12.5px;font-weight:500;
 background:rgba(255,255,255,.05);color:var(--text-2);
 border:1px solid var(--line);
}
.tag--brand{background:var(--brand-soft);color:var(--brand);border-color:rgba(217,164,65,.28)}
.tag--teal{background:rgba(79,209,197,.12);color:var(--teal);border-color:rgba(79,209,197,.26)}
.tag--rose{background:rgba(224,104,138,.12);color:var(--rose);border-color:rgba(224,104,138,.26)}

/* ============ 首屏 ============ */
.page-hero{
 position:relative;overflow:hidden;
 padding:86px 0 74px;
 background:
 radial-gradient(900px 470px at 12% -12%,rgba(217,164,65,.15),transparent 66%),
 radial-gradient(760px 430px at 94% 16%,rgba(79,209,197,.09),transparent 70%),
 var(--bg);
}
.page-hero::before{
 content:"";position:absolute;width:560px;height:560px;right:-170px;top:-240px;
 border-radius:50%;
 background:radial-gradient(circle,rgba(224,104,138,.12),transparent 68%);
 filter:blur(10px);pointer-events:none;
}
.page-hero::after{
 content:"";position:absolute;width:420px;height:420px;left:-140px;bottom:-220px;
 border-radius:50%;
 background:radial-gradient(circle,rgba(217,164,65,.12),transparent 70%);
 filter:blur(14px);pointer-events:none;
}
.hero-grid{
 position:relative;z-index:2;
 display:grid;grid-template-columns:1.08fr .92fr;gap:54px;align-items:center;
}
.hero-copy h1{
 font-size:clamp(27px,3.9vw,44px);
 line-height:1.3;font-weight:800;letter-spacing:-.02em;color:#fff;
}
.hero-copy h1 em{font-style:normal;color:var(--brand)}
.hero-lead{margin-top:20px;color:var(--text-2);font-size:16.5px;max-width:620px}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px}
.hero-facts{margin-top:34px;display:flex;flex-wrap:wrap;gap:10px}
.pill{
 display:inline-flex;align-items:center;gap:8px;
 padding:8px 15px;border-radius:999px;
 background:rgba(255,255,255,.04);border:1px solid var(--line);
 font-size:13px;color:var(--text-2);
 transition:.24s ease;
}
.pill:hover{border-color:rgba(217,164,65,.32);color:var(--text)}
.pill i{color:var(--brand);font-size:12px}
.hero-panel{
 background:linear-gradient(160deg,rgba(28,33,48,.94),rgba(20,24,33,.94));
 border:1px solid var(--line);
 border-radius:var(--r-lg);
 padding:32px 30px;
 box-shadow:var(--sh-md);
}
.panel-title{
 font-size:12.5px;letter-spacing:.2em;text-transform:uppercase;
 color:var(--brand);font-weight:700;margin-bottom:18px;
}
.point-list li{
 display:flex;gap:13px;padding:13px 0;
 border-bottom:1px dashed var(--line);
 font-size:14.6px;color:var(--text-2);
}
.point-list li:last-child{border-bottom:0;padding-bottom:0}
.point-list li i{color:var(--teal);margin-top:6px;font-size:13px;flex-shrink:0}
.point-list li strong{color:#fff;font-weight:600}

/* ============ 指标看板 ============ */
.metrics{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.metric{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-md);padding:26px 20px;
 transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-md)}
.metric-num{font-size:clamp(23px,2.5vw,31px);font-weight:800;color:#fff;letter-spacing:-.02em;line-height:1.2}
.metric-num span{font-size:14px;color:var(--brand);margin-left:3px;font-weight:600}
.metric-label{margin-top:8px;font-size:13.4px;color:var(--text-2)}
.metric-bar{margin-top:14px;height:3px;border-radius:3px;background:rgba(255,255,255,.06);overflow:hidden}
.metric-bar i{display:block;height:100%;border-radius:3px;background:linear-gradient(90deg,var(--brand),var(--teal))}

/* ============ 服务矩阵 ============ */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.m-card{
 position:relative;overflow:hidden;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-lg);padding:30px 28px;
 transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease;
}
.m-card::after{
 content:"";position:absolute;inset:0;pointer-events:none;
 background:radial-gradient(320px 180px at 100% 0%,rgba(217,164,65,.11),transparent 70%);
 opacity:0;transition:opacity .3s ease;
}
.m-card:hover{transform:translateY(-6px);border-color:rgba(217,164,65,.32);box-shadow:var(--sh-md)}
.m-card:hover::after{opacity:1}
.m-icon{
 width:46px;height:46px;border-radius:14px;
 display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);
 font-size:18px;margin-bottom:18px;
}
.m-card h3{font-size:18px;font-weight:700;color:#fff;letter-spacing:-.01em}
.m-card p{margin-top:10px;color:var(--text-2);font-size:14.5px}
.m-meta{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px}

/* ============ 结果对比 ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.cmp-col{
 border:1px solid var(--line);border-radius:var(--r-lg);
 padding:30px 28px;background:var(--surface);
}
.cmp-col--good{
 background:linear-gradient(165deg,rgba(217,164,65,.09),rgba(22,26,36,.92));
 border-color:rgba(217,164,65,.3);
 box-shadow:var(--sh-md);
}
.cmp-head{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.cmp-head h3{font-size:17.5px;color:#fff;font-weight:700}
.cmp-head i{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-size:15px}
.cmp-col .cmp-head i{background:rgba(255,255,255,.05);color:var(--text-3)}
.cmp-col--good .cmp-head i{background:var(--brand-soft);color:var(--brand)}
.cmp-col li{
 display:flex;gap:12px;padding:12px 0;
 border-bottom:1px solid var(--line);
 font-size:14.5px;color:var(--text-2);
}
.cmp-col li:last-child{border-bottom:0;padding-bottom:0}
.cmp-col li i{margin-top:6px;font-size:12px;flex-shrink:0;color:var(--text-3)}
.cmp-col--good li i{color:var(--teal)}

/* ============ 里程碑 ============ */
.timeline{position:relative;padding-left:34px;max-width:820px}
.timeline::before{
 content:"";position:absolute;left:9px;top:10px;bottom:10px;width:1px;
 background:linear-gradient(180deg,var(--brand),rgba(79,209,197,.34),transparent);
}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-31px;top:8px;width:11px;height:11px;border-radius:50%;
 background:var(--bg);border:2px solid var(--brand);
}
.tl-idx{font-size:12.5px;letter-spacing:.2em;color:var(--brand);font-weight:700}
.tl-item h3{margin-top:6px;font-size:17px;color:#fff;font-weight:700}
.tl-item p{margin-top:6px;color:var(--text-2);font-size:14.5px}

/* ============ 资讯列表 ============ */
.news{display:grid;gap:14px}
.news-item{
 display:grid;grid-template-columns:96px 1fr 28px;
 gap:22px;align-items:center;
 padding:22px 26px;
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-md);
 transition:transform .28s ease,border-color .28s ease,background .28s ease;
}
.news-item:hover{transform:translateX(5px);border-color:var(--line-strong);background:var(--surface-2)}
.news-item h3{font-size:16.5px;color:#fff;font-weight:600}
.news-item p{margin-top:6px;color:var(--text-2);font-size:14px}
.news-arrow{color:var(--text-3);font-size:14px;transition:color .25s ease,transform .25s ease}
.news-item:hover .news-arrow{color:var(--brand);transform:translateX(3px)}

/* ============ 平台保障 ============ */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard{
 display:flex;gap:16px;
 padding:26px 24px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 transition:border-color .26s ease,box-shadow .26s ease;
}
.guard:hover{border-color:rgba(79,209,197,.3);box-shadow:var(--sh-sm)}
.guard i{
 width:42px;height:42px;flex-shrink:0;border-radius:13px;
 display:grid;place-items:center;font-size:16px;
 background:rgba(79,209,197,.12);color:var(--teal);
}
.guard h3{font-size:15.8px;color:#fff;font-weight:700}
.guard p{margin-top:7px;color:var(--text-2);font-size:14px}

/* ============ 快速解答 ============ */
.qa-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.qa-item{
 display:flex;gap:16px;
 padding:24px;
 background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
 transition:border-color .26s ease,transform .26s ease;
}
.qa-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.qa-q{
 width:34px;height:34px;flex-shrink:0;border-radius:11px;
 display:grid;place-items:center;
 background:var(--brand-soft);color:var(--brand);font-weight:800;font-size:14px;
}
.qa-text h3{font-size:15.6px;color:#fff;font-weight:700}
.qa-text p{margin-top:8px;color:var(--text-2);font-size:14.3px}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:900px;margin:0 auto}
.faq details{
 background:var(--surface);border:1px solid var(--line);
 border-radius:var(--r-md);overflow:hidden;
 transition:border-color .25s ease,background .25s ease;
}
.faq details[open]{border-color:rgba(217,164,65,.32);background:var(--surface-2)}
.faq summary{
 list-style:none;cursor:pointer;
 padding:20px 24px;display:flex;align-items:center;gap:14px;
 font-weight:600;font-size:15.5px;color:#fff;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
 content:"\f067";
 font-family:"Font Awesome 6 Free";font-weight:900;
 margin-left:auto;color:var(--brand);font-size:13px;
 transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 24px 22px;color:var(--text-2);font-size:14.6px;border-top:1px dashed var(--line);margin-top:2px;padding-top:16px}

/* ============ 转化区 ============ */
.join-wrap{display:grid;grid-template-columns:.95fr 1.05fr;gap:46px;align-items:center}
.join-copy h2{font-size:clamp(23px,3vw,34px);line-height:1.36;color:#fff;font-weight:700}
.join-copy h2 em{font-style:normal;color:var(--brand)}
.join-copy p{margin-top:18px;color:var(--text-2);font-size:15.6px;max-width:520px}
.join-list{margin-top:26px;display:grid;gap:12px}
.join-list li{display:flex;gap:12px;align-items:flex-start;color:var(--text-2);font-size:14.6px}
.join-list li i{color:var(--brand);margin-top:6px;font-size:12px}
.join-card{
 background:linear-gradient(165deg,rgba(28,33,48,.96),rgba(16,19,26,.96));
 border:1px solid var(--line-strong);
 border-radius:var(--r-xl);
 padding:36px 34px;
 box-shadow:var(--sh-lg);
}
.join-card h3{font-size:19px;color:#fff;font-weight:700;margin-bottom:6px}
.join-card .join-sub{color:var(--text-3);font-size:13.5px;margin-bottom:24px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:8px;letter-spacing:.04em}
.field input,.field select,.field textarea{
 width:100%;padding:13px 16px;
 border-radius:var(--r-sm);
 background:rgba(255,255,255,.03);
 border:1px solid var(--line);
 color:var(--text);font-size:14.5px;
 transition:border-color .24s ease,background .24s ease;
}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3)}
.field input:focus,.field select:focus,.field textarea:focus{
 border-color:var(--brand);background:rgba(217,164,65,.06);outline:none;
}
.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) 22px,calc(100% - 14px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.form-foot{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-note{color:var(--text-3);font-size:12.8px}
.form-msg{
 margin-top:16px;padding:12px 16px;border-radius:var(--r-sm);
 background:var(--brand-soft);border:1px solid rgba(217,164,65,.3);
 color:var(--brand);font-size:13.6px;display:none;
}
.form-msg.is-visible{display:block}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:66px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--text-2);font-size:14px;max-width:370px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.04em}
.footer-col li{margin-bottom:11px}
.footer-col a,.footer-col span{color:var(--text-2);font-size:14px;transition:color .22s ease}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
 margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
 display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
 color:var(--text-3);font-size:13px;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
 .hero-grid{grid-template-columns:1fr;gap:40px}
 .metrics{grid-template-columns:repeat(3,1fr)}
 .matrix{grid-template-columns:repeat(2,1fr)}
 .guard-grid{grid-template-columns:repeat(2,1fr)}
 .compare{grid-template-columns:1fr}
 .join-wrap{grid-template-columns:1fr;gap:36px}
 .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
 .header-inner{min-height:64px;gap:14px}
 .menu-toggle{display:grid}
 .nav-main{
  position:absolute;top:100%;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  margin:0;padding:12px 16px 18px;
  background:var(--bg-soft);border-bottom:1px solid var(--line);
  display:none;
 }
 .nav-main.is-open{display:flex}
 .nav-main .nav-link{padding:12px 14px;border-radius:10px}
 .nav-main .nav-link.is-active::after{display:none}
 .status-pill{display:none}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .section{padding:70px 0}
 .section--tight{padding:56px 0}
 .page-hero{padding:64px 0 56px}
 .section-head{margin-bottom:40px}
 .metrics{grid-template-columns:repeat(2,1fr)}
 .matrix{grid-template-columns:1fr}
 .guard-grid{grid-template-columns:1fr}
 .qa-list{grid-template-columns:1fr}
 .news-item{grid-template-columns:1fr;gap:12px;padding:20px 20px}
 .news-arrow{display:none}
 .hero-panel{padding:26px 22px}
 .join-card{padding:28px 22px}
 .footer-grid{grid-template-columns:1fr;gap:28px}
 .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
 .brand-text{font-size:15.5px}
 .hero-actions .btn{width:100%}
 .metrics{grid-template-columns:1fr 1fr;gap:12px}
 .metric{padding:20px 16px}
 .section-title{font-size:22px}
 .tl-item h3,.m-card h3{font-size:16.5px}
}