/* roulang page: index */
:root{
  --brand:#FF5A2E;
  --brand-2:#16D3C0;
  --accent:#FFC53D;
  --dark:#14101F;
  --card-dark:#1E1730;
  --soft:#FFF7F2;
  --ink:#241C33;
  --muted:#6B6478;
  --line:rgba(36,28,51,.10);
  --error:#E5484D;
  --grad:linear-gradient(120deg,#FF5A2E 0%,#FF3D81 55%,#7B3DFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-card:0 8px 28px rgba(30,20,50,.08);
  --sh-hover:0 14px 40px rgba(255,90,46,.18);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  background:#fff;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:#d93f18}
button{font-family:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}
input,select,textarea{font-family:inherit;font-size:16px}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px;width:100%}
@media (max-width:640px){.wrap{padding:0 16px}}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 28px;font-weight:700;font-size:16px;line-height:1.1;
  border:none;cursor:pointer;text-align:center;
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease,background-color .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,90,46,.28)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 34px rgba(255,90,46,.36);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,46,.22)}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:rgba(255,90,46,.08);color:var(--brand);transform:translateY(-2px)}
.btn-light{background:rgba(255,255,255,.10);color:#fff;border:1.5px solid rgba(255,255,255,.45)}
.btn-light:hover{background:rgba(255,255,255,.20);color:#fff;transform:translateY(-2px)}
.btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-block{width:100%}
.link-arrow{font-weight:700;font-size:15px;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.link-arrow:hover{gap:10px;color:#d93f18}

/* ===== 通用标签/徽章 ===== */
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:700;background:rgba(255,90,46,.10);color:#d2420f;line-height:1.5;
}
.tag-cyan{background:rgba(22,211,192,.14);color:#0a8c81}
.tag-amber{background:rgba(255,197,61,.22);color:#8a6000}
.section{padding:96px 0}
.section-sm{padding:64px 0}
@media (max-width:768px){.section{padding:64px 0}.section-sm{padding:48px 0}}
.sec-head{margin-bottom:38px;max-width:760px}
.sec-head h2{font-size:clamp(24px,2.8vw,36px);line-height:1.25;font-weight:900;letter-spacing:-.4px}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16.5px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;letter-spacing:1.2px;color:var(--brand);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--grad)}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;height:64px;display:flex;align-items:center;
  background:transparent;transition:background .3s ease,box-shadow .3s ease,backdrop-filter .3s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:var(--grad);opacity:0;transition:opacity .3s ease;pointer-events:none;
}
.site-header.is-scrolled{
  background:rgba(20,16,31,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 8px 26px rgba(0,0,0,.20);
}
.site-header.is-scrolled::after{opacity:.85}
.nav-wrap{display:flex;align-items:center;gap:26px;height:100%}
.logo{display:flex;align-items:center;gap:10px;color:#fff;flex:0 0 auto}
.logo:hover{color:#fff}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:900;font-size:17px;
  box-shadow:0 6px 18px rgba(255,90,46,.35);flex:0 0 auto;
}
.logo-text{display:flex;flex-direction:column;font-size:15.5px;font-weight:800;line-height:1.15;letter-spacing:.2px}
.logo-text em{font-style:normal;font-size:12px;font-weight:600;color:var(--brand-2);letter-spacing:.8px;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  color:rgba(255,255,255,.78);font-size:15px;font-weight:600;
  padding:8px 14px;border-radius:999px;transition:color .2s ease,background-color .2s ease;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10)}
.nav-link.is-active{color:#fff;background:rgba(255,90,46,.24)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);color:#fff;display:grid;place-items:center;cursor:pointer;
  transition:background-color .2s ease,transform .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(255,255,255,.16);transform:translateY(-1px)}
.icon-btn:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.06);color:#fff;cursor:pointer;place-items:center;
}
.hamburger:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}

.drawer{
  position:fixed;left:0;right:0;bottom:0;height:92vh;z-index:90;
  background:var(--dark);border-radius:28px 28px 0 0;padding:24px 20px 28px;
  transform:translateY(105%);transition:transform .32s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
  box-shadow:0 -20px 60px rgba(0,0,0,.5);
}
.drawer.is-open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-title{color:#fff;font-weight:800;font-size:16px}
.drawer-close{width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.2);background:transparent;color:#fff;cursor:pointer}
.drawer a.d-link{
  color:rgba(255,255,255,.86);font-size:17px;font-weight:700;padding:16px 14px;border-radius:16px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.drawer a.d-link:hover,.drawer a.d-link.is-active{background:rgba(255,90,46,.18);color:#fff}
.drawer .btn{margin-top:22px}
body.drawer-open{overflow:hidden}
@media (max-width:1024px){
  .nav-links{display:none}
  .hamburger{display:grid}
  .nav-right .btn{display:none}
}
@media (max-width:640px){
  .site-header{height:56px}
  .logo-text{font-size:13.5px}
  .logo-mark{width:34px;height:34px;font-size:15px}
}

/* ===== Hero ===== */
.hero{
  position:relative;min-height:620px;display:flex;align-items:center;
  margin-top:-64px;padding:120px 0 84px;background:var(--dark);overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.34;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(20,16,31,.97) 0%,rgba(20,16,31,.86) 46%,rgba(123,61,255,.42) 100%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  color:#fff;font-size:13.5px;font-weight:700;margin-bottom:22px;
}
.hero-badge i{color:var(--accent)}
.hero h1{
  color:#fff;font-size:clamp(30px,4.2vw,54px);line-height:1.15;font-weight:900;letter-spacing:-1px;
}
.hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{
  margin-top:20px;color:rgba(255,255,255,.80);font-size:18px;line-height:1.7;max-width:560px;font-weight:500;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-note{margin-top:14px;color:rgba(255,255,255,.55);font-size:13.5px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.stat-chip{
  display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);
}
.stat-chip b{color:#fff;font-size:20px;font-weight:800;letter-spacing:-.5px}
.stat-chip span{color:rgba(255,255,255,.65);font-size:12.5px}
.hero-visual{
  position:relative;border-radius:28px;overflow:hidden;
  border:1px solid rgba(255,255,255,.16);box-shadow:0 28px 70px rgba(0,0,0,.48);
}
.hero-visual img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover}
.float-badge{
  position:absolute;display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:16px;background:rgba(20,16,31,.88);
  border:1px solid rgba(255,255,255,.18);backdrop-filter:blur(10px);
  color:#fff;font-size:13px;font-weight:700;box-shadow:0 10px 30px rgba(0,0,0,.4);
}
.float-badge i{color:var(--brand-2);font-size:15px}
.float-badge.fb-1{top:22px;left:-16px}
.float-badge.fb-2{bottom:74px;right:-14px}
.float-badge.fb-3{bottom:18px;left:20px}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero{padding:104px 0 64px;min-height:auto}
  .float-badge.fb-1{left:12px}
  .float-badge.fb-2{right:12px}
}
@media (max-width:640px){
  .hero{padding:92px 0 56px}
  .hero-sub{font-size:16.5px}
  .float-badge{font-size:12px;padding:8px 12px}
  .float-badge.fb-3{display:none}
}

/* ===== 数据条 ===== */
.facts{background:var(--soft)}
.fact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.fact-card{
  background:#fff;border-radius:var(--r-lg);padding:30px 26px;box-shadow:var(--sh-card);
  border:1px solid var(--line);transition:transform .25s ease,box-shadow .25s ease;
}
.fact-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover)}
.fact-icon{
  width:48px;height:48px;border-radius:14px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:19px;margin-bottom:18px;
}
.fact-card h3{font-size:19px;font-weight:800;margin-bottom:10px}
.fact-card p{color:var(--muted);font-size:15px}
@media (max-width:900px){.fact-grid{grid-template-columns:1fr}}

/* ===== 优惠阶梯 ===== */
.ladder{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:end}
.ladder-step{
  position:relative;border-radius:var(--r-lg);padding:26px 22px 24px;
  background:#fff;border:1.5px solid rgba(255,90,46,.30);
  transition:transform .25s ease,box-shadow .25s ease;
}
.ladder-step:nth-child(1){min-height:230px}
.ladder-step:nth-child(2){min-height:262px;border-color:rgba(255,90,46,.45)}
.ladder-step:nth-child(3){min-height:294px;border-color:rgba(255,90,46,.6)}
.ladder-step:nth-child(4){min-height:326px;background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 16px 44px rgba(255,90,46,.30)}
.ladder-step:hover{transform:translateY(-5px);box-shadow:var(--sh-hover)}
.ladder-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:999px;font-weight:900;font-size:15px;
  background:rgba(255,90,46,.12);color:var(--brand);margin-bottom:16px;
}
.ladder-step:nth-child(4) .ladder-num{background:rgba(255,255,255,.22);color:#fff}
.ladder-step h3{font-size:18px;font-weight:800;margin-bottom:10px}
.ladder-step p{font-size:14.5px;color:var(--muted)}
.ladder-step:nth-child(4) p{color:rgba(255,255,255,.9)}
.ladder-req{
  display:block;margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);
}
.ladder-step:nth-child(4) .ladder-req{border-top-color:rgba(255,255,255,.32);color:rgba(255,255,255,.86)}
@media (max-width:1024px){
  .ladder{grid-template-columns:repeat(2,1fr);align-items:stretch}
  .ladder-step{min-height:auto !important}
}
@media (max-width:640px){.ladder{grid-template-columns:1fr}}

/* ===== 套餐对比 ===== */
.compare-section{background:var(--dark);color:#fff}
.compare-section .sec-head h2{color:#fff}
.compare-section .sec-head p{color:rgba(255,255,255,.68)}
.compare-section .eyebrow{color:var(--brand-2)}
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px}
table.compare{width:100%;border-collapse:separate;border-spacing:0;min-width:820px}
table.compare th,table.compare td{
  padding:16px 18px;text-align:left;font-size:15px;border-bottom:1px solid rgba(255,255,255,.10);
}
table.compare thead th{
  background:rgba(255,255,255,.06);color:#fff;font-weight:800;font-size:15.5px;
  border-bottom:1px solid rgba(255,255,255,.16);vertical-align:top;
}
table.compare thead th:first-child{border-radius:18px 0 0 0;color:rgba(255,255,255,.7);font-weight:700}
table.compare thead th:last-child{border-radius:0 18px 0 0}
table.compare tbody th{
  font-weight:700;color:rgba(255,255,255,.72);font-size:14px;width:150px;
  background:rgba(255,255,255,.03);
}
table.compare td{color:rgba(255,255,255,.86)}
table.compare td.col-hot{background:rgba(255,90,46,.12)}
table.compare thead th.col-hot{
  background:var(--grad);color:#fff;position:relative;padding-top:40px;
}
.hot-flag{
  position:absolute;top:12px;left:18px;background:var(--accent);color:#3a2600;
  font-size:12px;font-weight:900;padding:3px 11px;border-radius:999px;
}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:none}
.compare-actions td{padding-top:22px}
.compare-mobile{display:none;gap:18px;grid-template-columns:1fr}
.cm-card{
  border-radius:var(--r-lg);padding:24px;background:var(--card-dark);
  border:1px solid rgba(255,255,255,.12);
}
.cm-card.hot{background:linear-gradient(160deg,rgba(255,90,46,.24),rgba(123,61,255,.20));border-color:rgba(255,197,61,.5)}
.cm-card h3{font-size:18px;font-weight:800;margin-bottom:14px;color:#fff}
.cm-card dl{margin:0;display:grid;gap:10px}
.cm-card dt{font-size:13px;color:rgba(255,255,255,.55)}
.cm-card dd{margin:0;font-size:15px;color:#fff;font-weight:600}
.cm-card .btn{margin-top:18px}
@media (max-width:960px){
  .compare-scroll{display:none}
  .compare-mobile{display:grid}
}

/* ===== 限时入口 + 表单 ===== */
.limited{background:var(--soft)}
.limited-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.countdown-card{
  border-radius:var(--r-lg);padding:34px 30px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);
}
.count-pill{
  display:inline-flex;align-items:center;gap:10px;padding:10px 20px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:800;font-size:14px;margin-bottom:22px;
  box-shadow:0 10px 26px rgba(255,90,46,.28);
}
.count-pill i{color:var(--accent)}
.count-nums{display:flex;align-items:center;gap:10px;margin:18px 0 8px}
.count-nums .n{
  min-width:66px;padding:12px 8px;border-radius:16px;background:var(--dark);color:#fff;
  font-size:28px;font-weight:800;text-align:center;letter-spacing:1px;
}
.count-nums .c{font-size:22px;font-weight:800;color:var(--muted)}
.count-nums .n.sec{animation:blink 1.6s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.55}}
.count-labels{display:flex;gap:10px;font-size:12.5px;color:var(--muted);margin-bottom:22px}
.count-labels span{min-width:66px;text-align:center}
.limited-list{display:grid;gap:12px;margin-top:22px}
.limited-list li{display:flex;gap:10px;font-size:15px;color:var(--ink)}
.limited-list i{color:var(--brand-2);margin-top:5px}
.form-card{
  border-radius:var(--r-lg);padding:34px 30px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);
}
.form-card h3{font-size:21px;font-weight:900;margin-bottom:8px}
.form-card .form-tip{color:var(--muted);font-size:14px;margin-bottom:22px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px}
.field input,.field select{
  width:100%;height:48px;padding:0 14px;border-radius:14px;border:1.5px solid var(--line);
  background:#fff;color:var(--ink);outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#a9a3b5}
.field input:focus,.field select:focus{
  border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,46,.16);
}
.field input:focus-visible,.field select:focus-visible{outline:none}
.field.error input,.field.error select{border-color:var(--error);box-shadow:0 0 0 4px rgba(229,72,77,.14)}
.field .err-msg{display:none;color:var(--error);font-size:13px;margin-top:6px}
.field.error .err-msg{display:block}
.form-ok{
  display:none;margin-top:16px;padding:12px 16px;border-radius:14px;
  background:rgba(22,211,192,.14);color:#0a8c81;font-size:14px;font-weight:700;
}
.form-ok.show{display:block}
@media (max-width:960px){.limited-grid{grid-template-columns:1fr}}

/* ===== 资讯卡片 ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  border-radius:var(--r-lg);background:#fff;border:1px solid var(--line);overflow:hidden;
  box-shadow:var(--sh-card);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(255,90,46,.28)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:linear-gradient(135deg,#EFE7FF,#FFE8DF)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17.5px;font-weight:800;line-height:1.45}
.news-body h3 a{color:var(--ink)}
.news-card:hover .news-body h3 a{color:var(--brand)}
.news-sum{
  color:var(--muted);font-size:14.5px;line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);
}
.news-foot i{color:var(--brand);transition:transform .2s ease}
.news-card:hover .news-foot i{transform:translateX(4px)}
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 20px;border-radius:var(--r-lg);
  background:var(--soft);border:1px dashed rgba(255,90,46,.35);
}
.news-empty i{font-size:32px;color:var(--brand);margin-bottom:14px;display:block}
.news-empty p{color:var(--muted);margin-bottom:18px}
@media (max-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.news-grid{grid-template-columns:1fr}}

/* ===== FAQ ===== */
.faq-section{background:var(--soft)}
.faq-box{
  background:#fff;border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-card);
  padding:14px 26px;
}
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 34px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-q{
  width:100%;background:transparent;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:18px;font-weight:700;color:var(--ink);text-align:left;line-height:1.5;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q:focus-visible{outline:2px solid var(--brand-2);outline-offset:4px;border-radius:8px}
.faq-q i{color:var(--brand);transition:transform .22s ease;flex:0 0 auto;font-size:15px}
.faq-item.open .faq-q i{transform:rotate(90deg)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .22s ease,padding .22s ease;
  color:var(--muted);font-size:15px;line-height:1.8;
}
.faq-item.open .faq-a{max-height:340px;padding-bottom:20px}
@media (max-width:900px){.faq-grid{grid-template-columns:1fr}}

/* ===== 底部 CTA ===== */
.final-cta{position:relative;overflow:hidden;background:var(--dark);padding:84px 0}
.final-cta::before{
  content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.20;
}
.final-cta::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(20,16,31,.94),rgba(123,61,255,.42));
}
.final-cta .wrap{position:relative;z-index:2;text-align:center}
.final-cta h2{color:#fff;font-size:clamp(24px,2.8vw,36px);font-weight:900;line-height:1.3}
.final-cta p{color:rgba(255,255,255,.76);margin-top:16px;font-size:16.5px;max-width:640px;margin-left:auto;margin-right:auto}
.final-cta .cta-row{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* ===== 页脚 ===== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:68px 0 0}
.footer-top{height:3px;background:var(--grad);margin:-68px 0 60px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{width:36px;height:36px;font-size:16px}
.footer-brand span{font-size:16px;font-weight:800;line-height:1.2}
.site-footer p.desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.58);max-width:320px}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.4px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.68);font-size:14px;line-height:2}
.footer-col a:hover{color:var(--brand-2)}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.9;color:rgba(255,255,255,.66);margin-bottom:10px}
.footer-contact i{color:var(--brand-2);margin-top:6px}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.10);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(255,255,255,.48);
}
@media (max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:520px){
  .footer-grid{grid-template-columns:1fr}
  .footer-top{margin-bottom:40px}
}

/* roulang page: article */
:root{
  --brand:#FF5A2E;
  --brand-2:#FF3D81;
  --brand-3:#7B3DFF;
  --accent:#16D3C0;
  --gold:#FFC53D;
  --ink:#14101F;
  --card-dark:#1E1730;
  --bg:#FFF7F2;
  --text:#241C33;
  --muted:#6B6478;
  --line:rgba(36,28,51,.10);
  --danger:#E5484D;
  --grad:linear-gradient(120deg,#FF5A2E 0%,#FF3D81 55%,#7B3DFF 100%);
  --r-xl:24px;
  --r-lg:18px;
  --r-sm:14px;
  --sh:0 8px 28px rgba(30,20,50,.08);
  --sh-hover:0 14px 40px rgba(255,90,46,.18);
  --ctr:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,opacity .2s ease;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
.wrap{width:100%;max-width:var(--ctr);margin:0 auto;padding:0 20px;}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  height:64px;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background .3s ease,backdrop-filter .3s ease,border-color .3s ease;
}
.site-header.is-scrolled{
  background:rgba(20,16,31,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.nav-inner{
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:900;
  font-size:15px;
  line-height:1.2;
  letter-spacing:.01em;
  max-width:230px;
}
.logo-mark{
  width:34px;height:34px;
  flex:0 0 34px;
  display:flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:var(--grad);
  color:#fff;
  font-size:17px;
  font-weight:900;
  box-shadow:0 6px 18px rgba(255,90,46,.35);
}
.brand-text{display:block;}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  list-style:none;
}
.nav-link{
  display:inline-block;
  padding:9px 14px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:600;
  color:rgba(255,255,255,.78);
  white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.10);}
.nav-link.is-active{
  color:#fff;
  background:rgba(255,255,255,.14);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.nav-actions{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:38px;height:38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:999px;
  color:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.22);
  transition:.2s ease;
}
.icon-btn:hover{color:#fff;border-color:rgba(255,255,255,.5);background:rgba(255,255,255,.08);}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:14px 28px;
  border-radius:999px;
  font-size:15.5px;
  font-weight:700;
  line-height:1;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 26px rgba(255,90,46,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,46,.38);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,46,.26);}
.btn-ghost{
  background:transparent;
  color:var(--brand);
  border:1.5px solid var(--brand);
}
.btn-ghost:hover{background:rgba(255,90,46,.08);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost-light{
  background:transparent;
  color:#fff;
  border:1.5px solid rgba(255,255,255,.45);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn-ghost-light:active{transform:translateY(0);}
.btn-sm{padding:11px 20px;font-size:14px;}
.nav-cta{padding:11px 22px;font-size:14.5px;}
.burger{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  align-items:center;justify-content:center;
  color:#fff;
  border:1px solid rgba(255,255,255,.25);
  font-size:17px;
}
.drawer{
  position:fixed;
  left:0;right:0;top:0;
  height:92vh;
  background:rgba(20,16,31,.97);
  backdrop-filter:blur(16px);
  border-radius:0 0 28px 28px;
  z-index:90;
  padding:22px 22px 30px;
  transform:translateY(-104%);
  transition:transform .32s cubic-bezier(.4,.1,.2,1);
  display:flex;
  flex-direction:column;
  gap:18px;
}
.drawer.is-open{transform:translateY(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;color:#fff;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;
  color:#fff;border:1px solid rgba(255,255,255,.25);
  display:flex;align-items:center;justify-content:center;font-size:17px;
}
.drawer-nav{display:flex;flex-direction:column;gap:8px;margin-top:6px;}
.drawer-nav a{
  color:rgba(255,255,255,.85);
  font-size:16px;
  font-weight:600;
  padding:14px 16px;
  border-radius:14px;
  background:rgba(255,255,255,.05);
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:rgba(255,255,255,.12);color:#fff;}
.drawer-foot{margin-top:auto;color:rgba(255,255,255,.6);font-size:13px;}

/* ---------- 文章首屏 ---------- */
.article-hero{
  position:relative;
  padding:130px 0 56px;
  color:#fff;
  background-image:linear-gradient(115deg,rgba(20,16,31,.94) 0%,rgba(20,16,31,.86) 48%,rgba(123,61,255,.72) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.article-hero::after{
  content:"";
  position:absolute;left:0;right:0;bottom:0;height:4px;
  background:var(--grad);
  opacity:.95;
}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:rgba(255,255,255,.62);
  margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.8);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb i{font-size:10px;opacity:.6;}
.cat-pill{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:7px 16px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  color:#fff;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  margin-bottom:18px;
}
.cat-pill i{color:var(--gold);font-size:11px;}
.article-hero h1{
  font-size:clamp(28px,4vw,50px);
  line-height:1.15;
  font-weight:900;
  max-width:20em;
  margin:0 0 22px;
  text-shadow:0 6px 30px rgba(0,0,0,.28);
}
.meta-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px 22px;
  font-size:13.5px;
  color:rgba(255,255,255,.76);
}
.meta-row span{display:inline-flex;align-items:center;gap:7px;}
.meta-row i{color:var(--accent);font-size:13px;}

/* ---------- 正文布局 ---------- */
.article-main{padding:56px 0 80px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(270px,1fr);
  gap:32px;
  align-items:start;
}
.article-card{
  background:#fff;
  border-radius:var(--r-xl);
  box-shadow:var(--sh);
  padding:40px 44px 48px;
  min-width:0;
}
.article-body{max-width:760px;}
.article-body > *:first-child{margin-top:0;}
.article-body p{font-size:17px;line-height:1.8;margin:0 0 20px;color:#2E2540;}
.article-body h2{
  position:relative;
  font-size:clamp(21px,2.3vw,27px);
  margin:44px 0 18px;
  padding-left:16px;
  color:var(--ink);
}
.article-body h2::before{
  content:"";
  position:absolute;left:0;top:.28em;bottom:.28em;width:4px;
  border-radius:4px;
  background:var(--grad);
}
.article-body h3{
  font-size:20px;
  font-weight:800;
  margin:32px 0 14px;
  color:var(--ink);
}
.article-body h4{font-size:17px;margin:24px 0 12px;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px;}
.article-body ul{list-style:none;padding-left:4px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px;font-size:16.5px;line-height:1.75;}
.article-body ul li::before{
  content:"";
  position:absolute;left:0;top:.68em;
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:10px;font-size:16.5px;line-height:1.75;}
.article-body ol li::marker{color:var(--brand);font-weight:700;}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(255,90,46,.35);}
.article-body a:hover{color:#E34015;border-bottom-color:#E34015;}
.article-body img{border-radius:16px;margin:26px auto;box-shadow:var(--sh);}
.article-body blockquote{
  margin:24px 0;
  padding:18px 22px;
  background:#F4EFFF;
  border-left:4px solid var(--brand);
  border-radius:0 14px 14px 0;
  color:#3A2E52;
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;
  display:block;
  overflow-x:auto;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
}
.article-body th,.article-body td{
  border-bottom:1px solid var(--line);
  padding:12px 14px;
  text-align:left;
  white-space:nowrap;
}
.article-body th{background:#FBF6FF;font-weight:700;color:var(--ink);}
.article-body code{
  background:#F4EFFF;
  color:#7B3DFF;
  padding:2px 7px;
  border-radius:6px;
  font-size:14.5px;
}
.article-body pre{
  background:var(--ink);
  color:#F4EFFF;
  padding:18px 20px;
  border-radius:16px;
  overflow-x:auto;
  font-size:14px;
  margin:22px 0;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}

/* ---------- 侧栏 ---------- */
.article-aside{display:flex;flex-direction:column;gap:20px;position:sticky;top:92px;}
.toc-card,.aside-card{
  background:#fff;
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  padding:22px 24px;
}
.toc-card h3,.aside-card h3{
  font-size:15px;
  font-weight:800;
  color:var(--ink);
  margin-bottom:14px;
  display:flex;
  align-items:center;
  gap:8px;
}
.toc-card h3::before,.aside-card h3::before{
  content:"";
  width:4px;height:16px;border-radius:4px;background:var(--grad);
}
#tocList{list-style:none;display:flex;flex-direction:column;gap:4px;}
#tocList a{
  display:block;
  font-size:14px;
  color:var(--muted);
  padding:7px 10px;
  border-radius:10px;
  line-height:1.5;
}
#tocList a:hover{color:var(--brand);background:rgba(255,90,46,.07);}
.aside-card p{font-size:14px;color:var(--muted);margin-bottom:16px;line-height:1.7;}
.aside-list{list-style:none;display:flex;flex-direction:column;gap:10px;margin-bottom:18px;}
.aside-list a{
  font-size:14px;
  color:#3A2E52;
  display:flex;
  gap:9px;
  align-items:flex-start;
  line-height:1.6;
}
.aside-list a i{color:var(--accent);font-size:12px;margin-top:5px;}
.aside-list a:hover{color:var(--brand);}

/* ---------- 相关推荐 ---------- */
.related-section{padding:8px 0 84px;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  margin-bottom:30px;
  flex-wrap:wrap;
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);color:var(--ink);}
.section-head p{color:var(--muted);font-size:15px;margin:8px 0 0;}
.link-more{
  font-size:14.5px;
  font-weight:700;
  color:var(--brand);
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.link-more:hover{color:#E34015;gap:11px;}
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.post-card{
  background:#fff;
  border-radius:var(--r-lg);
  box-shadow:var(--sh);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.post-thumb{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:linear-gradient(120deg,#FFE3D6 0%,#F1E4FF 100%);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.04);}
.post-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  align-self:flex-start;
  padding:5px 13px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:700;
  color:var(--brand);
  background:rgba(255,90,46,.10);
}
.post-body h3{font-size:17.5px;line-height:1.45;color:var(--ink);}
.post-card:hover .post-body h3{color:var(--brand);}
.post-body p{font-size:14px;color:var(--muted);margin:0;line-height:1.7;}
.post-foot{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:13px;
  color:var(--muted);
}
.post-foot i{color:var(--accent);}

/* ---------- 空状态 ---------- */
.empty-state{
  text-align:center;
  padding:60px 24px;
  border-radius:var(--r-lg);
  background:#FBF6FF;
  border:1px dashed rgba(36,28,51,.16);
}
.empty-state i{font-size:34px;color:var(--brand);margin-bottom:16px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;color:var(--ink);}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--ink);
  padding:64px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--grad);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-140px;top:-120px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,90,46,.28),transparent 68%);
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.72);margin:0;font-size:15.5px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);position:relative;}
.footer-top{height:3px;background:var(--grad);}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:34px;
  padding:56px 0 40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-weight:900;
  font-size:16px;
  margin-bottom:16px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:4px;}
.footer-col ul a{
  font-size:14px;
  color:rgba(255,255,255,.68);
  line-height:2;
  display:inline-block;
}
.footer-col ul a:hover{color:var(--accent);}
.desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:32em;}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
}
.footer-contact i{color:var(--brand);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:20px 0 30px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.52);
}

/* ---------- 响应式 ---------- */
@media (max-width:1080px){
  .nav-links{display:none;}
  .burger{display:flex;}
  .article-layout{grid-template-columns:1fr;}
  .article-aside{position:static;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:860px){
  .article-hero{padding:112px 0 46px;}
  .article-card{padding:28px 24px 34px;}
  .article-body{max-width:100%;}
}
@media (max-width:640px){
  .wrap{padding:0 16px;}
  .nav-cta{display:none;}
  .article-hero{padding:104px 0 40px;}
  .article-hero h1{font-size:clamp(24px,6.4vw,32px);}
  .meta-row{gap:8px 16px;font-size:13px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:44px 0 30px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .section-head{align-items:flex-start;}
  .article-main{padding:40px 0 60px;}
  .related-section{padding-bottom:62px;}
}

/* roulang page: category1 */
:root{
  --brand:#FF5A2E;
  --brand-2:#FF3D81;
  --brand-3:#7B3DFF;
  --aux:#16D3C0;
  --accent:#FFC53D;
  --ink:#14101F;
  --card-dark:#1E1730;
  --tint:#FFF7F2;
  --text:#241C33;
  --muted:#6B6478;
  --line:rgba(36,28,51,.10);
  --error:#E5484D;
  --grad:linear-gradient(120deg,#FF5A2E 0%,#FF3D81 55%,#7B3DFF 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow:0 8px 28px rgba(30,20,50,.08);
  --shadow-hover:0 14px 40px rgba(255,90,46,.18);
  --container:1240px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
.site-body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:#FFFFFF;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
.site-body img{max-width:100%;display:block;border-radius:var(--r-sm);}
.site-body a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
.site-body a:hover{color:var(--brand-2);}
.site-body ul{list-style:none;margin:0;padding:0;}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p{margin:0;}
.site-body button{font-family:inherit;cursor:pointer;border:none;background:none;}
.site-body input,.site-body select{font-family:inherit;}
.wrap{max-width:var(--container);margin:0 auto;padding:0 20px;width:100%;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(30,20,50,.09);}
.header-inner{display:flex;align-items:center;gap:18px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand:hover .brand-text{color:var(--brand);}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:900;font-size:17px;
  box-shadow:0 6px 16px rgba(255,90,46,.28);
}
.brand-text{font-size:15px;font-weight:800;color:var(--ink);letter-spacing:.2px;transition:color .2s ease;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:999px;font-size:14.5px;
  color:var(--muted);font-weight:500;white-space:nowrap;transition:all .2s ease;
}
.nav-link:hover{background:var(--tint);color:var(--brand);}
.nav-link.is-active{background:var(--tint);color:var(--brand);font-weight:700;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--muted);
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,90,46,.45);background:var(--tint);}
.icon-btn:focus-visible{outline:2px solid var(--aux);outline-offset:2px;}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  color:var(--ink);align-items:center;justify-content:center;font-size:17px;
}
.menu-toggle:hover{background:var(--tint);color:var(--brand);}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:64px;z-index:79;
  background:#fff;border-bottom:1px solid var(--line);
  border-radius:0 0 24px 24px;padding:18px 20px 26px;
  box-shadow:0 20px 40px rgba(30,20,50,.12);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;padding:13px 14px;border-radius:14px;font-size:15.5px;
  color:var(--text);font-weight:600;
}
.mobile-drawer a:hover{background:var(--tint);color:var(--brand);}
.mobile-drawer a.is-active{background:var(--tint);color:var(--brand);}
.mobile-drawer .drawer-cta{margin-top:14px;text-align:center;color:#fff;background:var(--grad);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;line-height:1;
  padding:14px 28px;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
  border:1.5px solid transparent;white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(255,90,46,.25);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);filter:brightness(1.06);color:#fff;}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,46,.22);}
.btn-primary:focus-visible{outline:2px solid var(--aux);outline-offset:3px;}
.btn-primary[disabled]{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:rgba(255,90,46,.08);color:var(--brand);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:2px solid var(--aux);outline-offset:3px;}
.btn-sm{padding:11px 22px;font-size:14px;}
.btn-light{background:#fff;color:var(--brand);box-shadow:0 8px 22px rgba(0,0,0,.16);}
.btn-light:hover{transform:translateY(-2px);color:var(--brand-2);}
.btn-outline-light{border-color:rgba(255,255,255,.55);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;}

/* ============ 窄幅渐变条 ============ */
.page-banner{
  position:relative;
  padding:52px 0 46px;
  color:#fff;
  background-image:
    linear-gradient(120deg,rgba(20,16,31,.90) 0%,rgba(255,61,129,.72) 55%,rgba(123,61,255,.78) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;inset:auto -60px -120px auto;width:320px;height:320px;
  background:radial-gradient(circle,rgba(22,211,192,.42),transparent 68%);
  border-radius:50%;pointer-events:none;
}
.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.82);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#fff;font-weight:600;}
.page-title{
  font-size:clamp(30px,4.2vw,54px);line-height:1.15;font-weight:900;
  letter-spacing:-.5px;max-width:900px;
}
.page-sub{
  margin-top:16px;font-size:16.5px;line-height:1.75;max-width:720px;
  color:rgba(255,255,255,.9);
}
.banner-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3);
  color:#fff;backdrop-filter:blur(6px);
}
.pill i{color:var(--accent);}

/* ============ 数据条 ============ */
.stat-band{border-bottom:1px solid var(--line);background:var(--tint);}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 0;}
.stat-item{display:flex;align-items:center;gap:12px;}
.stat-num{
  font-size:26px;font-weight:900;color:var(--brand);
  font-variant-numeric:tabular-nums;letter-spacing:-.5px;
}
.stat-label{font-size:13.5px;color:var(--muted);line-height:1.45;}

/* ============ 主布局 ============ */
.section{padding:76px 0 0;}
.layout{display:grid;grid-template-columns:264px 1fr;gap:40px;align-items:start;}
.toc-col{position:sticky;top:88px;}
.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--shadow);
}
.toc-title{
  font-size:13px;font-weight:800;letter-spacing:1.2px;color:var(--muted);
  text-transform:uppercase;margin-bottom:14px;
}
.toc-list li+li{margin-top:4px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;
  font-size:14.5px;color:var(--text);font-weight:500;
}
.toc-list a:hover{background:var(--tint);color:var(--brand);}
.toc-list a i{font-size:11px;color:var(--aux);}
.toc-cta{width:100%;margin-top:18px;}

.block{margin-bottom:56px;scroll-margin-top:96px;}
.block:last-child{margin-bottom:0;}
.block-title{
  font-size:clamp(24px,2.8vw,36px);line-height:1.25;font-weight:900;color:var(--ink);
  letter-spacing:-.4px;
}
.block-head{margin-bottom:30px;}
.block-head .bar{
  width:52px;height:4px;border-radius:999px;background:var(--grad);margin-bottom:18px;
}
.block-desc{margin-top:14px;font-size:16px;color:var(--muted);max-width:760px;}

/* ============ 概览卡 ============ */
.overview-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;}
.overview-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow);
}
.overview-card .tag{
  display:inline-block;padding:5px 14px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(22,211,192,.14);color:#0E9C8E;margin-bottom:14px;
}
.overview-card h3{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:10px;}
.overview-card p{font-size:15.5px;color:var(--muted);line-height:1.8;}
.mini-list{margin-top:16px;}
.mini-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text);
  padding:9px 0;border-bottom:1px dashed var(--line);
}
.mini-list li:last-child{border-bottom:none;}
.mini-list i{color:var(--brand);font-size:13px;margin-top:6px;}
.overview-figure{
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);
  position:relative;background:var(--tint);
}
.overview-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.overview-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;
  background:linear-gradient(180deg,rgba(20,16,31,0),rgba(20,16,31,.85));
  color:#fff;font-size:13px;
}

/* ============ 时间轴 ============ */
.timeline{display:flex;flex-direction:column;gap:22px;}
.step{display:grid;grid-template-columns:56px 1fr;gap:20px;}
.step-rail{position:relative;display:flex;justify-content:center;}
.step-dot{
  width:46px;height:46px;border-radius:50%;flex-shrink:0;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:2px solid transparent;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:17px;color:var(--brand);font-variant-numeric:tabular-nums;
  position:relative;z-index:2;box-shadow:0 6px 16px rgba(255,90,46,.14);
}
.step-line{
  position:absolute;top:52px;bottom:-22px;width:2px;
  background:linear-gradient(180deg,rgba(255,90,46,.45),rgba(123,61,255,.12));
}
.step:last-child .step-line{display:none;}
.step-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 26px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
}
.step-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.step-title{font-size:20px;font-weight:800;color:var(--ink);margin-bottom:10px;}
.step-text{font-size:15.5px;color:var(--muted);line-height:1.8;}
.note{
  margin-top:16px;background:var(--tint);border-left:4px solid var(--brand);
  border-radius:12px;padding:13px 18px;font-size:14px;color:#6B6478;line-height:1.75;
}
.note strong{color:var(--text);font-weight:700;}

/* ============ 方式对比列表 ============ */
.method-list{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--shadow);overflow:hidden;
}
.method-row{
  display:grid;grid-template-columns:1.05fr 1.5fr auto;gap:20px;align-items:center;
  padding:22px 26px;border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.method-row:last-child{border-bottom:none;}
.method-row:hover{background:#FFFAF7;}
.method-name{display:flex;align-items:center;gap:12px;}
.method-icon{
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--tint);color:var(--brand);font-size:16px;flex-shrink:0;
}
.method-name strong{display:block;font-size:16.5px;font-weight:800;color:var(--ink);}
.method-name span{font-size:12.5px;color:var(--muted);}
.method-desc{font-size:14.5px;color:var(--muted);line-height:1.7;}
.method-meta{display:flex;flex-direction:column;gap:6px;align-items:flex-end;text-align:right;}
.chip{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(255,90,46,.1);color:var(--brand);white-space:nowrap;
}
.chip-aux{background:rgba(22,211,192,.14);color:#0E9C8E;}
.chip-time{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;}

/* ============ 准备清单 ============ */
.prepare-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:30px;align-items:center;}
.check-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:none;}
.check-icon{
  width:34px;height:34px;border-radius:50%;flex-shrink:0;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:13px;box-shadow:0 6px 16px rgba(255,90,46,.2);
}
.check-list strong{display:block;font-size:16px;font-weight:800;color:var(--ink);margin-bottom:4px;}
.check-list span{font-size:14.5px;color:var(--muted);line-height:1.7;}
.prepare-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);position:relative;}
.prepare-figure img{width:100%;border-radius:0;}
.prepare-figure figcaption{
  position:absolute;left:14px;bottom:14px;right:14px;
  background:rgba(20,16,31,.78);color:#fff;font-size:12.5px;
  padding:9px 14px;border-radius:12px;backdrop-filter:blur(6px);
}

/* ============ FAQ ============ */
.faq-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:10px 26px;box-shadow:var(--shadow);
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-size:18px;font-weight:700;color:var(--ink);text-align:left;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q:focus-visible{outline:2px solid var(--aux);outline-offset:2px;border-radius:8px;}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .22s ease;flex-shrink:0;}
.faq-item.is-open .faq-q{color:var(--brand);}
.faq-item.is-open .faq-q i{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s ease;}
.faq-a p{padding:0 4px 22px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ CTA 条 ============ */
.cta-band{
  margin-top:80px;position:relative;overflow:hidden;color:#fff;
  background:#14101F;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-60px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(123,61,255,.5),transparent 66%);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:30px;
  padding:52px 0;position:relative;z-index:2;flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,32px);font-weight:900;line-height:1.3;letter-spacing:-.3px;}
.cta-inner p{margin-top:10px;font-size:15px;color:#B7B0C8;max-width:600px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{background:#14101F;color:#C9C3D6;margin-top:0;}
.footer-top{height:3px;background:var(--grad);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;
  padding:56px 0 36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px;}
.footer-brand .logo-mark{width:32px;height:32px;border-radius:10px;font-size:16px;}
.footer-desc{font-size:14px;line-height:1.85;color:#9E97B2;max-width:330px;}
.footer-col h4{color:#fff;font-size:14px;font-weight:700;margin-bottom:14px;}
.footer-col ul li a{color:#C9C3D6;font-size:14px;line-height:2.1;display:inline-block;}
.footer-col ul li a:hover{color:var(--aux);}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:#C9C3D6;margin-bottom:10px;}
.footer-contact i{color:var(--brand);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:18px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8C86A0;
}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-links{display:none;}
  .menu-toggle{display:flex;}
  .layout{grid-template-columns:1fr;}
  .toc-col{position:static;}
  .toc-card{display:block;}
  .overview-grid{grid-template-columns:1fr;}
  .prepare-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .method-row{grid-template-columns:1fr;gap:12px;}
  .method-meta{align-items:flex-start;text-align:left;flex-direction:row;flex-wrap:wrap;gap:10px;}
}
@media (max-width:768px){
  .section{padding:56px 0 0;}
  .page-banner{padding:38px 0 34px;}
  .step{grid-template-columns:44px 1fr;gap:14px;}
  .step-dot{width:38px;height:38px;font-size:15px;}
  .step-line{top:44px;}
  .step-body{padding:20px;}
  .faq-card{padding:6px 18px;}
  .faq-q{font-size:16.5px;padding:18px 2px;}
  .cta-inner{padding:42px 0;}
  .block{margin-bottom:44px;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .header-inner{height:56px;}
  .mobile-drawer{top:56px;}
  .brand-text{font-size:13.5px;max-width:150px;line-height:1.25;}
  .stat-grid{grid-template-columns:1fr;gap:12px;padding:20px 0;}
  .stat-item{gap:10px;}
  .stat-num{font-size:22px;}
  .footer-grid{grid-template-columns:1fr;padding:42px 0 28px;}
  .btn{padding:13px 22px;font-size:14.5px;}
  .overview-card{padding:22px;}
  .method-row{padding:18px;}
  .cta-inner h2{font-size:22px;}
}

/* roulang page: category2 */
:root{
  --brand:#FF5A2E;
  --brand-2:#FF3D81;
  --brand-3:#7B3DFF;
  --accent:#16D3C0;
  --gold:#FFC53D;
  --dark:#14101F;
  --card-dark:#1E1730;
  --light:#FFF7F2;
  --ink:#241C33;
  --muted:#6B6478;
  --line:rgba(36,28,51,.10);
  --danger:#E5484D;
  --grad:linear-gradient(120deg,#FF5A2E 0%,#FF3D81 55%,#7B3DFF 100%);
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:14px;
  --shadow-card:0 8px 28px rgba(30,20,50,.08);
  --shadow-hover:0 14px 40px rgba(255,90,46,.18);
  --container:1240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body.site-body{margin:0;background:#fff;color:#241C33;}
.page{
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;line-height:1.75;color:var(--ink);
  overflow-x:hidden;
}
.page h1,.page h2,.page h3,.page h4,.page p,.page ul,.page ol,.page figure,.page dl,.page dd{margin:0;}
.page ul{padding:0;list-style:none;}
.page img{max-width:100%;display:block;border:0;}
.page a{color:inherit;text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease;}
.page button{font-family:inherit;}
.page table{border-collapse:collapse;width:100%;}
.wrap{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.page a:focus-visible,.page button:focus-visible,.page input:focus-visible,.page select:focus-visible{
  outline:2px solid var(--accent);outline-offset:2px;
}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:background-color .25s ease,box-shadow .25s ease;
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,90,46,.5),rgba(123,61,255,.4),transparent);
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:0 10px 30px rgba(30,20,50,.09);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:34px;height:34px;border-radius:12px;background-image:var(--grad);
  color:#fff;display:grid;place-items:center;font-weight:900;font-size:17px;
  box-shadow:0 6px 16px rgba(255,90,46,.3);
}
.brand-text{font-size:16px;font-weight:900;letter-spacing:.2px;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;}
.nav-link{
  font-size:15px;font-weight:600;color:var(--muted);
  padding:8px 14px;border-radius:999px;white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:rgba(255,90,46,.08);}
.nav-link.is-active{color:var(--ink);background:rgba(255,90,46,.12);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;display:grid;place-items:center;
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,90,46,.45);background:rgba(255,90,46,.06);}
.menu-toggle{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;display:none;place-items:center;
}
.menu-toggle:hover{color:var(--brand);border-color:rgba(255,90,46,.45);}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:0;height:92vh;z-index:90;
  background:rgba(20,16,31,.97);color:#fff;
  border-bottom-left-radius:28px;border-bottom-right-radius:28px;
  padding:76px 24px 32px;
  flex-direction:column;gap:8px;
  box-shadow:0 24px 60px rgba(20,16,31,.4);
}
.mobile-drawer.is-open{display:flex;}
.drawer-link{
  display:block;padding:14px 16px;border-radius:14px;font-size:16px;font-weight:700;
  color:rgba(255,255,255,.82);
}
.drawer-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.drawer-link.is-active{background:rgba(255,90,46,.22);color:#fff;}
.drawer-close{
  position:absolute;top:18px;right:20px;width:40px;height:40px;border-radius:999px;
  border:1px solid rgba(255,255,255,.25);background:transparent;color:#fff;cursor:pointer;
}
.drawer-close:hover{background:rgba(255,255,255,.14);}

/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;font-size:15px;line-height:1.2;
  padding:14px 28px;border:1.5px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,filter .18s ease,border-color .18s ease;
}
.btn-primary{background-image:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,90,46,.28);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,90,46,.34);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);box-shadow:0 8px 18px rgba(255,90,46,.24);}
.btn-outline{border-color:var(--brand);color:var(--brand);background:transparent;}
.btn-outline:hover{background:rgba(255,90,46,.08);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.btn-ghost-dark{border-color:rgba(255,255,255,.42);color:#fff;background:rgba(255,255,255,.06);}
.btn-ghost-dark:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
.btn-ghost-dark:active{transform:translateY(0);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ============ band ============ */
.band{position:relative;overflow:hidden;background:var(--dark);color:#fff;padding:34px 0 58px;}
.band-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.42;
}
.band-mask{
  position:absolute;inset:0;z-index:1;
  background:linear-gradient(120deg,rgba(20,16,31,.95) 0%,rgba(20,16,31,.78) 48%,rgba(123,61,255,.42) 100%);
}
.band-inner{position:relative;z-index:2;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.7);margin-bottom:20px;}
.crumbs a{color:rgba(255,255,255,.7);}
.crumbs a:hover{color:#fff;text-decoration:underline;}
.crumbs span{opacity:.45;}
.crumbs em{font-style:normal;color:#fff;font-weight:600;}
.band-grid{display:grid;grid-template-columns:1.4fr .9fr;gap:44px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  font-size:13px;font-weight:700;letter-spacing:.06em;color:#fff;
}
.tag i{color:var(--gold);}
.band h1{
  font-size:clamp(28px,3.6vw,44px);line-height:1.18;font-weight:900;
  margin:16px 0 16px;letter-spacing:.2px;
}
.band h1 .hl{
  background-image:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.band-sub{color:rgba(255,255,255,.8);font-size:16.5px;max-width:640px;}
.band-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.band-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  font-size:13px;color:rgba(255,255,255,.85);
  font-variant-numeric:tabular-nums;
}
.chip i{color:var(--accent);}
.band-card{
  border-radius:var(--radius-lg);overflow:hidden;background:rgba(30,23,48,.72);
  border:1px solid rgba(255,255,255,.14);box-shadow:0 18px 50px rgba(0,0,0,.35);
}
.band-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.band-card figcaption{padding:16px 18px;font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.65;}

/* ============ sections ============ */
.section{padding:88px 0;}
.section-light{background:var(--light);}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:800;letter-spacing:.12em;color:var(--brand);
  text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:999px;background-image:var(--grad);}
.section-head h2{font-size:clamp(24px,2.8vw,36px);line-height:1.25;font-weight:900;}
.section-head p{color:var(--muted);margin-top:14px;font-size:16px;}

/* ============ fact grid ============ */
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.fact{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.fact:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(255,90,46,.28);}
.fact i{font-size:18px;color:var(--brand);}
.fact h3{font-size:17px;font-weight:800;margin:12px 0 8px;}
.fact p{font-size:14.5px;color:var(--muted);line-height:1.7;}

/* ============ plan table ============ */
.plan-table-wrap{
  overflow-x:auto;border-radius:var(--radius-lg);border:1px solid var(--line);
  background:#fff;box-shadow:var(--shadow-card);
  -webkit-overflow-scrolling:touch;
}
.plan-table{min-width:780px;}
.plan-table th,.plan-table td{
  padding:18px 22px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--line);vertical-align:top;
}
.plan-table thead th{
  font-size:14px;font-weight:800;color:var(--ink);
  background:linear-gradient(180deg,rgba(255,90,46,.12),rgba(123,61,255,.06));
  white-space:nowrap;
}
.plan-table thead th:first-child{border-top-left-radius:var(--radius-lg);}
.plan-table thead th:last-child{border-top-right-radius:var(--radius-lg);}
.plan-table tbody td:first-child,.plan-table thead th:first-child{
  position:sticky;left:0;background:#fff;font-weight:700;z-index:2;min-width:150px;
}
.plan-table thead th:first-child{background:#FFF1EA;}
.plan-table tbody tr:last-child td{border-bottom:0;}
.plan-table .col-hot{background:rgba(255,197,61,.10);}
.plan-table tbody td.col-hot{background:rgba(255,197,61,.10);}
.badge-hot{
  display:inline-block;margin-left:8px;padding:3px 10px;border-radius:999px;
  background-image:var(--grad);color:#fff;font-size:11.5px;font-weight:800;letter-spacing:.04em;
}
.plan-table .yes{color:#0E9E8F;font-weight:700;}
.plan-table .no{color:var(--muted);}
.plan-cta-row td{padding-top:0;}
.plan-cards{display:none;gap:18px;}
.plan-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 22px;box-shadow:var(--shadow-card);
}
.plan-card.is-hot{border-color:rgba(255,90,46,.4);background:linear-gradient(180deg,rgba(255,247,242,.9),#fff);}
.plan-card h3{font-size:19px;font-weight:900;display:flex;align-items:center;gap:8px;}
.plan-card .price{font-size:15px;color:var(--muted);margin:6px 0 14px;font-variant-numeric:tabular-nums;}
.plan-card ul li{
  display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--muted);
  padding:8px 0;border-bottom:1px dashed var(--line);
}
.plan-card ul li:last-child{border-bottom:0;}
.plan-card ul li i{color:var(--accent);margin-top:4px;font-size:12px;}

/* ============ ladder ============ */
.ladder{display:grid;gap:16px;}
.ladder-step{
  display:grid;grid-template-columns:60px 1fr auto;gap:20px;align-items:center;
  padding:22px 26px;border-radius:var(--radius);
  border:1.5px solid rgba(255,90,46,.28);background:#fff;
  transition:transform .2s ease,box-shadow .2s ease;
}
.ladder-step:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.ladder-step:nth-child(2){margin-left:22px;}
.ladder-step:nth-child(3){margin-left:44px;}
.ladder-step:nth-child(4){margin-left:66px;}
.ladder-step.is-current{
  border-color:transparent;background-image:var(--grad);color:#fff;
  box-shadow:0 14px 40px rgba(255,90,46,.28);
}
.ladder-num{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  font-weight:900;font-size:17px;background:rgba(255,90,46,.10);color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.ladder-step.is-current .ladder-num{background:rgba(255,255,255,.22);color:#fff;}
.ladder-body h3{font-size:18px;font-weight:800;}
.ladder-body p{font-size:14.5px;color:var(--muted);margin-top:6px;}
.ladder-step.is-current .ladder-body p{color:rgba(255,255,255,.85);}
.ladder-val{
  font-size:14px;font-weight:800;padding:8px 16px;border-radius:999px;
  background:rgba(22,211,192,.14);color:#0E9E8F;white-space:nowrap;
  font-variant-numeric:tabular-nums;
}
.ladder-step.is-current .ladder-val{background:rgba(255,255,255,.2);color:#fff;}

/* ============ steps ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.step{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 24px;box-shadow:var(--shadow-card);
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.step-num{
  width:52px;height:52px;border-radius:50%;background-image:var(--grad);color:#fff;
  display:grid;place-items:center;font-weight:900;font-size:20px;margin-bottom:18px;
  font-variant-numeric:tabular-nums;
  box-shadow:0 10px 22px rgba(255,90,46,.28);
}
.step h3{font-size:18px;font-weight:800;margin-bottom:10px;}
.step p{font-size:14.5px;color:var(--muted);}
.step .note{
  margin-top:16px;padding:12px 14px;border-radius:12px;background:var(--light);
  font-size:13.5px;color:var(--muted);border-left:3px solid var(--brand);
}

/* ============ faq ============ */
.faq{
  border:1px solid var(--line);border-radius:var(--radius-lg);background:#fff;
  box-shadow:var(--shadow-card);overflow:hidden;
}
.faq-item+.faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:18px;font-weight:700;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q i{color:var(--brand);transition:transform .22s ease;flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(90deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease,padding .24s ease;padding:0 26px;}
.faq-item.is-open .faq-a{max-height:400px;padding-bottom:22px;}
.faq-a p{color:var(--muted);font-size:15.5px;}

/* ============ cta ============ */
.cta-panel{
  position:relative;overflow:hidden;
  background:var(--dark);color:#fff;border-radius:28px;
  padding:52px;display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start;
}
.cta-panel::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background-image:var(--grad);
}
.cta-panel::after{
  content:"";position:absolute;right:-120px;bottom:-140px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(123,61,255,.35),transparent 70%);
}
.cta-left{position:relative;z-index:2;}
.cta-left h2{font-size:clamp(24px,2.6vw,34px);font-weight:900;line-height:1.25;}
.cta-left p{color:rgba(255,255,255,.78);margin-top:16px;font-size:15.5px;}
.cta-list{margin-top:24px;display:grid;gap:12px;}
.cta-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.85);}
.cta-list i{color:var(--accent);margin-top:5px;font-size:12px;}
.form-card{
  position:relative;z-index:2;background:rgba(30,23,48,.9);
  border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:26px 24px;
}
.form-card h3{font-size:18px;font-weight:800;}
.form-card .hint{font-size:13.5px;color:rgba(255,255,255,.62);margin-top:8px;}
.field{margin-top:16px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:rgba(255,255,255,.9);}
.field input,.field select{
  width:100%;height:48px;border-radius:var(--radius-sm);
  border:1.5px solid rgba(255,255,255,.18);background:rgba(255,255,255,.06);
  color:#fff;padding:0 16px;font-size:15px;font-family:inherit;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath fill='%23ffffff' d='M1 1l5 5 5-5' stroke='%23ffffff' stroke-width='1.6' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 16px center;background-size:12px;padding-right:42px;}
.field input::placeholder{color:rgba(255,255,255,.4);}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--brand);background:rgba(255,255,255,.1);
  box-shadow:0 0 0 4px rgba(255,90,46,.22);
}
.field.has-error input,.field.has-error select{border-color:var(--danger);}
.field .err{display:none;color:#FF8A8F;font-size:13px;margin-top:6px;}
.field.has-error .err{display:block;}
.form-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:14px;}
.form-result{
  display:none;margin-top:16px;padding:12px 14px;border-radius:12px;
  background:rgba(22,211,192,.14);border:1px solid rgba(22,211,192,.4);
  color:#9BF2E7;font-size:14px;
}
.form-result.is-visible{display:block;}

/* ============ footer ============ */
.site-footer{background:var(--dark);color:rgba(255,255,255,.78);margin-top:0;}
.footer-top{height:3px;background-image:var(--grad);}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:900;color:#fff;margin-bottom:14px;}
.site-footer .desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-col ul li{line-height:2;}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.68);}
.footer-col ul li a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;}
.footer-contact i{color:var(--brand);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 34px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ============ responsive ============ */
@media (max-width:1080px){
  .nav-links{display:none;}
  .menu-toggle{display:grid;}
  .band-grid{grid-template-columns:1fr;gap:32px;}
  .fact-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-panel{grid-template-columns:1fr;padding:40px 32px;}
}
@media (max-width:900px){
  .steps{grid-template-columns:1fr;}
  .ladder-step:nth-child(2),.ladder-step:nth-child(3),.ladder-step:nth-child(4){margin-left:0;}
}
@media (max-width:768px){
  .page{font-size:16px;}
  .wrap{padding:0 16px;}
  .section{padding:56px 0;}
  .section-tight{padding:48px 0;}
  .band{padding:26px 0 46px;}
  .brand-text{font-size:13.5px;}
  .nav-inner{height:56px;gap:12px;}
  .nav-right .btn{display:none;}
  .plan-table-wrap{display:none;}
  .plan-cards{display:grid;}
  .ladder-step{grid-template-columns:48px 1fr;gap:14px;padding:20px;}
  .ladder-val{grid-column:2;justify-self:start;}
  .faq-q{font-size:16px;padding:18px 20px;}
  .faq-a{padding:0 20px;}
  .cta-panel{padding:32px 22px;border-radius:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px;}
}
@media (max-width:520px){
  .fact-grid{grid-template-columns:1fr;}
  .band h1{font-size:26px;}
  .band-actions .btn{width:100%;}
  .brand-text{font-size:12.5px;}
  .logo-mark{width:30px;height:30px;border-radius:10px;font-size:15px;}
}

/* roulang page: category3 */
:root{
  --brand:#FF5A2E;
  --brand-2:#FF3D81;
  --brand-3:#7B3DFF;
  --accent:#16D3C0;
  --accent-deep:#0E8C82;
  --gold:#FFC53D;
  --ink:#14101F;
  --ink-2:#1E1730;
  --soft:#FFF7F2;
  --text:#241C33;
  --muted:#6B6478;
  --line:rgba(36,28,51,.10);
  --err:#E5484D;
  --grad:linear-gradient(120deg,#FF5A2E 0%,#FF3D81 55%,#7B3DFF 100%);
  --r-xl:24px;
  --r-lg:18px;
  --r-md:14px;
  --sh-1:0 8px 28px rgba(30,20,50,.08);
  --sh-2:0 14px 40px rgba(255,90,46,.18);
  --wrap:1240px;
  --sp:clamp(56px,7vw,104px);
  --header-h:64px;
}
@media (max-width:640px){:root{--header-h:58px}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.site{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:#fff;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.site h1,body.site h2,body.site h3,body.site h4{margin:0;color:var(--text);letter-spacing:-.012em;font-weight:800}
body.site h1{font-size:clamp(28px,3.8vw,44px);line-height:1.2;font-weight:900}
body.site h2{font-size:clamp(23px,2.6vw,34px);line-height:1.28}
body.site h3{font-size:20px;line-height:1.4}
body.site p{margin:0 0 18px}
body.site a{color:var(--brand);text-decoration:none;transition:color .2s ease}
body.site a:hover{color:var(--brand-2)}
body.site ul,body.site ol{margin:0;padding:0;list-style:none}
body.site img{max-width:100%;display:block}
body.site button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
body.site input,body.site select,body.site textarea{font:inherit;color:inherit}
body.site :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
@media (max-width:640px){.wrap{padding:0 16px}}
.section{padding:var(--sp) 0}
.section-soft{background:linear-gradient(180deg,#FFF7F2 0%,#FFFFFF 100%)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--brand);margin-bottom:12px}
.eyebrow::before{content:"";width:20px;height:2px;border-radius:2px;background:var(--grad)}
.section-head{max-width:760px;margin-bottom:36px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px;line-height:1.8;margin:0}

/* 导航 */
.site-header{position:sticky;top:0;z-index:70;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .3s ease,background .3s ease}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(30,20,50,.08)}
.header-inner{max-width:var(--wrap);margin:0 auto;padding:0 20px;height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:18px}
@media (max-width:640px){.header-inner{padding:0 16px}}
body.site .brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:900;font-size:15px;flex-shrink:0}
body.site .brand:hover{color:var(--text)}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:900;flex-shrink:0;box-shadow:0 6px 16px rgba(255,90,46,.28)}
.brand-text{white-space:nowrap}
@media (max-width:420px){.brand-text{font-size:13px}.brand-mark{width:28px;height:28px;border-radius:9px;font-size:14px}}
.nav-links{display:flex;align-items:center;gap:2px}
body.site .nav-link{position:relative;padding:8px 12px;border-radius:10px;font-size:14px;font-weight:600;color:var(--text);white-space:nowrap}
body.site .nav-link:hover{color:var(--brand);background:rgba(255,90,46,.06)}
body.site .nav-link.is-active{color:var(--brand)}
body.site .nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:1px;height:2px;border-radius:2px;background:var(--grad)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;color:var(--muted);border:1px solid var(--line);background:#fff;transition:color .2s,border-color .2s,background .2s}
.icon-btn:hover{color:var(--brand);border-color:rgba(255,90,46,.4);background:rgba(255,90,46,.05)}
.menu-btn{display:none;width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;place-items:center;color:var(--text);font-size:15px}
.menu-btn:hover{color:var(--brand);border-color:rgba(255,90,46,.4)}
@media (max-width:1080px){
  .nav-links{display:none}
  .menu-btn{display:grid}
}
@media (max-width:560px){
  .nav-actions .btn{display:none}
}
/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:80;background:rgba(20,16,31,.55);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:opacity .26s ease}
.drawer.is-open{opacity:1;pointer-events:auto}
.drawer-panel{position:absolute;left:0;right:0;top:var(--header-h);margin:0 12px;background:var(--ink);border-radius:0 0 var(--r-xl) var(--r-xl);padding:20px;transform:translateY(-14px);transition:transform .26s ease;max-height:92vh;overflow-y:auto}
.drawer.is-open .drawer-panel{transform:translateY(0)}
body.site .drawer-link{display:block;padding:14px 16px;border-radius:var(--r-md);color:rgba(255,255,255,.86);font-size:16px;font-weight:600;margin-bottom:6px;background:rgba(255,255,255,.04)}
body.site .drawer-link:hover{color:#fff;background:rgba(255,90,46,.18)}
body.site .drawer-link.is-active{color:#fff;background:var(--grad);box-shadow:0 8px 22px rgba(255,90,46,.3)}
.drawer-cta{margin-top:14px;width:100%}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;border-radius:999px;padding:14px 28px;font-size:16px;line-height:1;transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background-color .18s ease,border-color .18s ease,color .18s ease;white-space:nowrap}
body.site .btn{color:#fff}
body.site .btn:hover{color:#fff}
.btn-primary{background:var(--grad);box-shadow:0 8px 22px rgba(255,90,46,.28)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 14px 34px rgba(255,90,46,.34)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(255,90,46,.26)}
body.site .btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
body.site .btn-ghost:hover{background:rgba(255,90,46,.08);color:var(--brand);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
body.site .btn-light{background:#fff;color:var(--ink)}
body.site .btn-light:hover{color:var(--ink);transform:translateY(-2px);box-shadow:0 12px 30px rgba(0,0,0,.24)}
.btn-sm{padding:10px 18px;font-size:14px}
.btn-lg{padding:16px 34px;font-size:17px}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;filter:none}

/* 分类窄幅头 */
.cat-hero{position:relative;padding:40px 0 44px;background:linear-gradient(180deg,#FFF7F2 0%,#FFFFFF 100%);overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad)}
.cat-hero::after{content:"";position:absolute;right:-140px;top:-160px;width:460px;height:460px;border-radius:50%;background:radial-gradient(circle,rgba(22,211,192,.18),transparent 62%);pointer-events:none}
.cat-hero .wrap{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--muted);margin-bottom:18px}
body.site .crumbs a{color:var(--muted);font-weight:600}
body.site .crumbs a:hover{color:var(--brand)}
.crumbs span{opacity:.45}
.crumbs em{font-style:normal;color:var(--text);font-weight:700}
.tag-pill{display:inline-flex;align-items:center;gap:7px;padding:6px 14px;border-radius:999px;background:rgba(22,211,192,.13);color:var(--accent-deep);font-size:13px;font-weight:800;margin-bottom:14px}
.tag-pill i{font-size:11px}
.cat-hero h1{max-width:900px}
.cat-lead{max-width:820px;color:var(--muted);font-size:16.5px;line-height:1.85;margin:16px 0 26px}
.cat-stats{display:flex;flex-wrap:wrap;gap:12px}
.cat-stats li{display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:var(--sh-1)}
.cat-stats strong{font-size:19px;font-weight:900;font-variant-numeric:tabular-nums;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-stats span{font-size:13px;color:var(--muted)}

/* 筛选条 */
.filter-bar{position:sticky;top:var(--header-h);z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.filter-inner{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:14px 20px}
@media (max-width:640px){.filter-inner{padding:12px 16px;gap:12px}}
.search-box{position:relative;flex:1 1 280px;min-width:220px}
.search-box i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px;pointer-events:none}
.search-box input{width:100%;height:46px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;padding:0 16px 0 42px;font-size:15px;transition:border-color .2s ease,box-shadow .2s ease}
.search-box input::placeholder{color:#9D97AA}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(255,90,46,.14)}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{display:inline-flex;align-items:center;gap:6px;padding:9px 17px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;font-weight:700;transition:color .2s,border-color .2s,background .2s,box-shadow .2s,transform .2s}
.tag:hover{color:var(--brand);border-color:rgba(255,90,46,.42);background:rgba(255,90,46,.05)}
.tag.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 6px 16px rgba(255,90,46,.26)}
.tag.is-active:hover{color:#fff}
@media (max-width:768px){
  .tag-row{flex-wrap:nowrap;overflow-x:auto;width:100%;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .tag-row::-webkit-scrollbar{display:none}
  .tag{flex:0 0 auto}
}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:start}
@media (max-width:1024px){.faq-grid{grid-template-columns:1fr}}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item:hover{box-shadow:var(--sh-1);border-color:rgba(255,90,46,.26)}
.faq-item.is-open{box-shadow:var(--sh-1);border-color:rgba(255,90,46,.34)}
.faq-item.is-hidden{display:none}
.faq-q{width:100%;display:flex;align-items:flex-start;gap:12px;padding:20px 22px;text-align:left;font-size:17px;font-weight:700;line-height:1.5;color:var(--text);transition:color .2s ease}
.faq-q:hover{color:var(--brand)}
.faq-idx{flex:0 0 auto;font-size:13px;font-weight:900;color:var(--brand);font-variant-numeric:tabular-nums;padding-top:4px}
.faq-title{flex:1 1 auto}
.faq-ico{flex:0 0 auto;margin-top:5px;font-size:13px;color:var(--muted);transition:transform .22s ease,color .22s ease}
.faq-item.is-open .faq-ico{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 22px 22px;font-size:15.5px;line-height:1.85;color:var(--muted);border-top:1px dashed var(--line);margin:0 22px;padding:18px 0 22px}
.faq-a-inner p{margin:0 0 12px}
.faq-a-inner p:last-child{margin-bottom:0}
.faq-a-inner ul{list-style:disc;padding-left:20px;margin:0 0 12px}
.faq-a-inner li{margin-bottom:8px}
.faq-a-inner li::marker{color:var(--brand)}
.faq-a-inner strong{color:var(--text);font-weight:800}
.faq-empty{display:none;text-align:center;padding:64px 20px;color:var(--muted)}
.faq-empty.is-show{display:block}
.faq-empty i{font-size:34px;color:rgba(255,90,46,.4);margin-bottom:14px;display:block}
.faq-empty p{margin:0;font-size:15.5px}

/* 双栏面板 */
.two-col{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:24px;align-items:start}
@media (max-width:980px){.two-col{grid-template-columns:1fr}}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:30px;box-shadow:var(--sh-1)}
.panel h3{margin-bottom:8px}
.panel .panel-sub{color:var(--muted);font-size:14.5px;margin-bottom:18px}
.hot-list li+li{border-top:1px solid var(--line)}
body.site .hot-list a{display:flex;align-items:center;gap:12px;padding:15px 2px;color:var(--text);font-size:15.5px;font-weight:600;transition:color .2s ease,transform .2s ease}
body.site .hot-list a:hover{color:var(--brand);transform:translateX(4px)}
.hot-list i{color:var(--accent);font-size:12px;flex-shrink:0}
.hot-list .hot-arrow{margin-left:auto;color:#C4BED3;font-size:12px;transition:color .2s ease,transform .2s ease}
body.site .hot-list a:hover .hot-arrow{color:var(--brand);transform:translateX(3px)}

.contact-card{position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-xl);padding:32px;color:#fff;border:1px solid rgba(255,255,255,.08)}
.contact-card::before{content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--grad)}
.contact-card::after{content:"";position:absolute;right:-90px;bottom:-90px;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(123,61,255,.35),transparent 62%);pointer-events:none}
.contact-card>*{position:relative;z-index:1}
body.site .contact-card h3{color:#fff;margin-bottom:12px}
.contact-card p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.85;margin-bottom:20px}
.contact-list{display:grid;gap:12px;margin-bottom:22px}
.contact-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.84);line-height:1.7}
.contact-list i{color:var(--accent);margin-top:5px;flex-shrink:0}

/* 自查卡 */
.shield-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
@media (max-width:1024px){.shield-grid{grid-template-columns:1fr}}
.shield-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:28px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.shield-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(255,90,46,.26)}
.shield-ico{width:48px;height:48px;border-radius:15px;display:grid;place-items:center;background:rgba(255,90,46,.10);color:var(--brand);font-size:19px;margin-bottom:16px}
.shield-card h3{font-size:19px;margin-bottom:10px}
.shield-card p{color:var(--muted);font-size:15px;line-height:1.8;margin:0 0 14px}
.shield-tags{display:flex;flex-wrap:wrap;gap:8px}
.mini-tag{font-size:12.5px;font-weight:700;color:var(--accent-deep);background:rgba(22,211,192,.12);border-radius:999px;padding:5px 12px}

/* CTA */
.cta-band{position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-xl);padding:46px;display:flex;align-items:center;justify-content:space-between;gap:30px;color:#fff}
.cta-band::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 12% 18%,rgba(255,90,46,.36),transparent 56%),radial-gradient(circle at 86% 82%,rgba(123,61,255,.34),transparent 56%)}
.cta-band>*{position:relative;z-index:1}
body.site .cta-band h2{color:#fff;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.74);font-size:15.5px;line-height:1.8;margin:0}
.cta-actions{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.cta-note{font-size:13px;color:rgba(255,255,255,.6)}
@media (max-width:880px){
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.72);position:relative;margin-top:0}
.footer-top{height:3px;background:var(--grad)}
.site-footer .wrap{padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:32px;padding-bottom:42px}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:900;font-size:16px;margin-bottom:14px}
.logo-mark{width:30px;height:30px;border-radius:9px;background:var(--grad);display:grid;place-items:center;font-size:15px;font-weight:900;color:#fff;flex-shrink:0}
.site-footer .desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);max-width:330px;margin:0}
.footer-col h4{color:#fff;font-size:14px;font-weight:800;margin:0 0 14px}
.footer-col li{margin-bottom:8px}
body.site .footer-col a{color:rgba(255,255,255,.66);font-size:14px;line-height:2}
body.site .footer-col a:hover{color:var(--accent)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;color:rgba(255,255,255,.66);font-size:14px;line-height:1.75}
.footer-contact i{color:var(--accent);margin-top:6px;flex-shrink:0}
.footer-bottom{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.10);padding:20px 0 30px;font-size:13px;color:rgba(255,255,255,.5)}