/* roulang page: index */
/* ============================================================
   设计变量
   ============================================================ */
:root{
  --ink:#0C0D10;
  --graphite:#3A3F45;
  --mist:#7A8087;
  --lime:#C6F53A;
  --orange:#FF6A2C;
  --bg:#FAFAF7;
  --card:#FFFFFF;
  --line:#E7E7E2;
  --line-2:#D5D5CE;
  --ph:#EFEFEA;
  --danger:#E5484D;
  --ok:#1F9254;
  --ok-bg:#EAF7EF;
  --dark:#0C0D10;
  --dark-text:#F5F6F3;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,13,16,.05);
  --sh-2:0 14px 34px -18px rgba(12,13,16,.22);
  --maxw:1200px;
  --sec:104px;
  --gap:24px;
}
@media (min-width:1280px){ :root{ --maxw:1320px; } }
@media (max-width:1023px){ :root{ --sec:72px; --gap:20px; } }
@media (max-width:767px){ :root{ --sec:52px; --gap:16px; } }

/* ============================================================
   基础 reset
   ============================================================ */
*,*::before,*::after{ box-sizing:border-box; }
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:120px;
}
body{
  margin:0;
  font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--graphite);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd,ul,ol{ margin:0; }
ul,ol{ padding:0; list-style:none; }
img,svg{ display:block; max-width:100%; }
img{ background:var(--ph); }
a{ color:inherit; text-decoration:none; transition:color .14s ease-out; }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ background:none; border:0; cursor:pointer; }
input,textarea,select{ background:none; }
::selection{ background:var(--lime); color:var(--ink); }
:focus-visible{
  outline:2px solid var(--ink);
  outline-offset:2px;
  border-radius:4px;
}
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0;
}
.num{ font-variant-numeric:tabular-nums; letter-spacing:-.02em; }

/* ============================================================
   容器与板块
   ============================================================ */
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}
@media (max-width:767px){ .container{ padding:0 20px; } }

.section{ padding:var(--sec) 0; }
.section-tight{ padding:calc(var(--sec) * .68) 0; }
.section-alt{ background:#F3F3EE; }

.sec-head{ max-width:780px; margin-bottom:52px; }
.sec-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:13px; font-weight:600; letter-spacing:.1em;
  color:var(--ink);
}
.eyebrow .dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--lime); box-shadow:0 0 0 4px rgba(198,245,58,.24);
}
.sec-head h2{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.02em;
  color:var(--ink);
  margin-top:14px;
}
.sec-head p{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:var(--mist);
}

/* ============================================================
   按钮
   ============================================================ */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  height:48px; padding:0 24px;
  border-radius:var(--r-pill);
  border:1px solid transparent;
  font-size:15px; font-weight:600; line-height:1;
  white-space:nowrap; cursor:pointer;
  transition:background-color .14s ease-out,border-color .14s ease-out,color .14s ease-out,transform .14s ease-out,box-shadow .14s ease-out,filter .14s ease-out;
}
.btn svg{ width:16px; height:16px; transition:transform .14s ease-out; flex:0 0 auto; }
.btn-primary{ background:var(--lime); color:var(--ink); border-color:var(--lime); }
.btn-primary:hover{ filter:brightness(.94); box-shadow:var(--sh-2); }
.btn-primary:hover svg{ transform:translateX(4px); }
.btn-primary:active{ transform:translateY(1px); }
.btn-ghost{ background:var(--card); color:var(--ink); border-color:var(--line-2); }
.btn-ghost:hover{ background:var(--ink); color:#fff; border-color:var(--ink); }
.btn-ghost:hover svg{ transform:translateX(4px); }
.btn-ghost:active{ transform:translateY(1px); }
.btn-dark{ background:var(--ink); color:#fff; border-color:var(--ink); }
.btn-dark:hover{ filter:brightness(1.2); }
.btn:disabled,.btn[aria-disabled="true"]{ opacity:.45; cursor:not-allowed; }
.btn-sm{ height:38px; padding:0 18px; font-size:14px; }

.link-more{
  display:inline-flex; align-items:center; gap:6px;
  font-size:15px; font-weight:600; color:var(--ink);
  border-bottom:1px solid var(--line-2);
  padding-bottom:3px;
}
.link-more:hover{ color:var(--ink); border-bottom-color:var(--lime); }
.link-more svg{ width:14px; height:14px; transition:transform .14s ease-out; }
.link-more:hover svg{ transform:translateX(4px); }

/* ============================================================
   徽章 / 标签
   ============================================================ */
.badge{
  display:inline-flex; align-items:center; gap:5px;
  height:24px; padding:0 10px;
  border-radius:var(--r-pill);
  border:1px solid var(--ink);
  font-size:12px; font-weight:600; line-height:1;
  color:var(--ink); background:transparent;
  white-space:nowrap;
}
.badge-official{
  border-color:var(--orange);
  color:#C24A12;
  background:rgba(255,106,44,.09);
}
.badge-new{
  border-color:var(--orange);
  color:#C24A12;
  background:rgba(255,106,44,.09);
}
.tag{
  display:inline-flex; align-items:center;
  height:28px; padding:0 12px;
  border-radius:var(--r-pill);
  background:#F1F1EC;
  border:1px solid var(--line);
  font-size:13px; color:var(--graphite);
  white-space:nowrap;
}
.tag-row{ display:flex; flex-wrap:wrap; gap:8px; }

/* ============================================================
   导航
   ============================================================ */
.site-header{
  position:sticky; top:0; z-index:80;
  background:rgba(250,250,247,.96);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-stuck{
  background:#FFFFFF;
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.header-inner{
  display:flex; align-items:center; gap:20px;
  padding-top:14px; padding-bottom:14px;
  flex-wrap:wrap;
}
.brand{
  display:inline-flex; align-items:center; gap:10px;
  flex:0 0 auto; order:1;
}
.brand-mark{
  width:34px; height:34px; flex:0 0 auto;
  border-radius:9px;
  background:var(--ink);
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:2px; padding:6px;
}
.brand-mark i{ background:#F5F6F3; border-radius:1px; display:block; }
.brand-mark i.hi{ background:var(--lime); }
.brand-text{
  font-size:18px; font-weight:800; letter-spacing:-.01em;
  color:var(--ink); white-space:nowrap;
}
.brand-sub{
  display:block; font-size:11px; font-weight:500;
  letter-spacing:.12em; color:var(--mist); line-height:1.4;
}

.nav-search{
  order:2;
  position:relative;
  flex:1 1 40%;
  min-width:250px;
  display:flex; align-items:center;
  height:52px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:0 6px 0 18px;
  transition:border-color .14s ease-out,box-shadow .14s ease-out;
}
.nav-search:focus-within{
  border-color:var(--ink);
  box-shadow:0 0 0 4px rgba(198,245,58,.35);
}
.nav-search-icon{ flex:0 0 auto; color:var(--mist); display:flex; }
.nav-search-icon svg{ width:18px; height:18px; }
.nav-search input{
  flex:1 1 auto; min-width:0;
  height:100%; border:0; outline:none;
  font-size:15px; color:var(--ink);
  padding:0 12px;
  background:transparent;
}
.nav-search input::placeholder{ color:#9AA0A6; }
.nav-search input::-webkit-search-cancel-button{ -webkit-appearance:none; }
.nav-search-btn{
  flex:0 0 auto;
  height:40px; padding:0 20px;
  border-radius:var(--r-pill);
  background:var(--lime); color:var(--ink);
  font-size:14px; font-weight:700;
  transition:filter .14s ease-out,transform .14s ease-out;
}
.nav-search-btn:hover{ filter:brightness(.94); }
.nav-search-btn:active{ transform:translateY(1px); }

.nav-links{
  order:3;
  display:flex; align-items:center; gap:2px;
  flex:0 0 auto;
}
.nav-link{
  display:inline-flex; align-items:center;
  height:40px; padding:0 13px;
  border-radius:var(--r-pill);
  font-size:15px; font-weight:500; color:var(--graphite);
  white-space:nowrap;
  transition:background-color .14s ease-out,color .14s ease-out;
}
.nav-link:hover{ background:#EFEFEA; color:var(--ink); }
.nav-link.is-active{ background:var(--ink); color:#fff; font-weight:600; }

.nav-cta{ order:4; flex:0 0 auto; }

@media (max-width:1099px){
  .header-inner{ gap:12px; }
  .nav-cta{ order:2; margin-left:auto; }
  .nav-search{ order:3; flex:1 1 100%; min-width:0; height:50px; }
  .nav-links{
    order:4; flex:1 1 100%;
    overflow-x:auto; overflow-y:hidden;
    scrollbar-width:none;
    padding-bottom:2px;
    margin:0 -4px;
  }
  .nav-links::-webkit-scrollbar{ display:none; }
  .nav-link{ flex:0 0 auto; }
}
@media (max-width:767px){
  .brand-text{ font-size:16px; }
  .brand-mark{ width:30px; height:30px; padding:5px; border-radius:8px; }
  .brand-sub{ display:none; }
  .nav-search{ height:46px; padding-left:14px; }
  .nav-search-btn{ height:36px; padding:0 16px; font-size:13px; }
}

/* ============================================================
   Hero
   ============================================================ */
.hero{
  position:relative;
  overflow:hidden;
  padding:76px 0 84px;
  background:var(--bg);
}
.hero::before{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(12,13,16,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(12,13,16,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 62% 62% at 50% 34%,#000 0%,transparent 76%);
  mask-image:radial-gradient(ellipse 62% 62% at 50% 34%,#000 0%,transparent 76%);
  pointer-events:none;
}
.hero .container{ position:relative; z-index:1; }
.hero-grid{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:56px;
  align-items:center;
}
.hero-copy h1{
  font-size:clamp(40px,5.2vw,64px);
  line-height:1.08;
  font-weight:800;
  letter-spacing:-.03em;
  color:var(--ink);
  margin-top:20px;
}
.hero-sub{
  margin-top:22px;
  font-size:17px;
  line-height:1.85;
  color:var(--graphite);
  max-width:560px;
}
.hero-actions{
  margin-top:34px;
  display:flex; flex-wrap:wrap; gap:14px;
}
.hero-points{
  margin-top:32px;
  display:grid; gap:10px;
  padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-points li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  color:var(--graphite);
}
.hero-points li::before{
  content:"";
  position:absolute; left:0; top:12px;
  width:12px; height:2px; border-radius:2px;
  background:var(--lime);
}
.hero-media{ position:relative; }
.hero-media > img{
  width:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
  border-radius:var(--r-lg);
  box-shadow:var(--sh-2);
}
.float-card{
  position:absolute;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-2);
  padding:14px 18px;
  display:flex; flex-direction:column; gap:2px;
  min-width:150px;
}
.float-card .fc-label{
  font-size:12px; color:var(--mist);
  display:inline-flex; align-items:center; gap:6px;
}
.float-card .fc-label::before{
  content:""; width:6px; height:6px; border-radius:50%; background:var(--lime);
}
.fc-1{ left:-18px; bottom:44px; }
.fc-2{ right:-14px; top:36px; }
.fc-num{ font-size:24px; font-weight:800; color:var(--ink); letter-spacing:-.02em; }
.fc-date{ font-size:14px; font-weight:600; color:var(--ink); }
@media (max-width:1023px){
  .hero{ padding:56px 0 64px; }
  .hero-grid{ grid-template-columns:1fr; gap:44px; }
  .hero-sub{ max-width:none; }
  .fc-1{ left:12px; bottom:-16px; }
  .fc-2{ right:12px; top:-16px; }
}
@media (max-width:520px){
  .hero-actions .btn{ width:100%; }
  .float-card{ min-width:0; padding:11px 14px; }
  .fc-num{ font-size:19px; }
}

/* ============================================================
   可信度指标条
   ============================================================ */
.stats-band{
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background:#fff;
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
}
.stat{
  padding:38px 26px;
  border-right:1px solid var(--line);
}
.stat:last-child{ border-right:0; }
.stat-num{
  display:block;
  font-size:clamp(30px,3.4vw,40px);
  font-weight:800;
  line-height:1.1;
  letter-spacing:-.03em;
  color:var(--ink);
}
.stat-num em{ font-style:normal; color:var(--mist); font-size:.6em; font-weight:700; }
.stat-label{
  display:block;
  margin-top:10px;
  font-size:13px;
  line-height:1.6;
  color:var(--mist);
}
@media (max-width:767px){
  .stats-grid{ grid-template-columns:repeat(2,1fr); }
  .stat{ padding:26px 18px; }
  .stat:nth-child(2n){ border-right:0; }
  .stat:nth-child(-n+2){ border-bottom:1px solid var(--line); }
}

/* ============================================================
   功能亮点（左右交错）
   ============================================================ */
.feature-row{
  display:grid;
  grid-template-columns:6fr 6fr;
  gap:56px;
  align-items:center;
  padding:46px 0;
  border-bottom:1px solid var(--line);
}
.feature-row:last-child{ border-bottom:0; }
.feature-row.reverse .feature-media{ order:2; }
.feature-row.reverse .feature-copy{ order:1; }
.feature-media img{
  width:100%;
  aspect-ratio:4 / 3;
  object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid var(--line);
}
.feature-copy .mini-label{
  display:inline-block;
  font-size:12px; font-weight:700; letter-spacing:.14em;
  color:var(--mist);
}
.feature-copy h3{
  margin-top:12px;
  font-size:22px;
  line-height:1.3;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
}
.feature-copy > p{
  margin-top:14px;
  font-size:16px;
  line-height:1.85;
  color:var(--graphite);
}
.feature-list{ margin-top:22px; display:grid; gap:12px; }
.feature-list li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  line-height:1.8;
  color:var(--graphite);
}
.feature-list li::before{
  content:"";
  position:absolute; left:0; top:13px;
  width:12px; height:2px; border-radius:2px;
  background:var(--lime);
}
@media (max-width:900px){
  .feature-row{ grid-template-columns:1fr; gap:28px; padding:34px 0; }
  .feature-row.reverse .feature-media{ order:1; }
  .feature-row.reverse .feature-copy{ order:2; }
}

/* ============================================================
   截图轮播
   ============================================================ */
.shots{
  background:#F3F3EE;
  overflow:hidden;
}
.shot-track{
  display:flex;
  gap:22px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding:6px 24px 22px;
  scrollbar-width:none;
  cursor:grab;
}
.shot-track::-webkit-scrollbar{ display:none; }
.shot-track.dragging{ cursor:grabbing; scroll-snap-type:none; }
.shot{
  flex:0 0 62%;
  scroll-snap-align:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:14px;
  box-shadow:var(--sh-1);
}
.shot-frame{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--ph);
}
.shot-frame img{
  width:100%;
  aspect-ratio:16 / 10;
  object-fit:cover;
}
.shot-cap{
  display:flex; align-items:baseline; justify-content:space-between; gap:12px;
  padding:16px 6px 6px;
}
.shot-cap strong{ font-size:16px; color:var(--ink); font-weight:700; }
.shot-cap span{ font-size:13px; color:var(--mist); }
.shot-bar{
  max-width:var(--maxw);
  margin:8px auto 0;
  padding:0 24px;
}
.shot-bar-rail{
  height:3px; border-radius:2px;
  background:var(--line-2);
  overflow:hidden;
}
.shot-bar-fill{
  display:block; height:100%; width:20%;
  background:var(--lime);
  border-radius:2px;
  transition:width .3s ease-out;
}
@media (max-width:900px){ .shot{ flex:0 0 82%; } }
@media (max-width:520px){ .shot{ flex:0 0 88%; } }

/* ============================================================
   系统要求
   ============================================================ */
.req-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.req-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:30px 28px;
  box-shadow:var(--sh-1);
  transition:box-shadow .14s ease-out,transform .14s ease-out,border-color .14s ease-out;
}
.req-card:hover{ box-shadow:var(--sh-2); transform:translateY(-2px); border-color:var(--line-2); }
.req-card-head{
  display:flex; align-items:center; gap:12px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.req-card-head h3{ font-size:19px; font-weight:700; color:var(--ink); letter-spacing:-.01em; }
.req-ico{
  width:38px; height:38px; flex:0 0 auto;
  border-radius:11px;
  background:var(--ink); color:var(--lime);
  display:grid; place-items:center;
}
.req-ico svg{ width:19px; height:19px; }
.req-rows{ margin-top:4px; }
.req-row{
  display:flex; align-items:flex-start; justify-content:space-between; gap:20px;
  padding:15px 0;
  border-bottom:1px solid var(--line);
  font-size:15px;
}
.req-row:last-child{ border-bottom:0; }
.req-row dt{ color:var(--mist); flex:0 0 auto; }
.req-row dd{ color:var(--ink); font-weight:600; text-align:right; }
@media (max-width:860px){ .req-grid{ grid-template-columns:1fr; } }

/* ============================================================
   评价墙
   ============================================================ */
.review-top{
  display:flex; align-items:center; gap:38px; flex-wrap:wrap;
  padding:28px 32px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:30px;
}
.score-big{
  font-size:56px;
  font-weight:800;
  line-height:1;
  letter-spacing:-.04em;
  color:var(--ink);
}
.score-big em{ font-style:normal; font-size:.35em; font-weight:700; color:var(--mist); }
.score-meta{ display:grid; gap:6px; }
.stars{ display:flex; gap:3px; }
.stars svg{ width:16px; height:16px; color:var(--orange); }
.score-meta span{ font-size:14px; color:var(--mist); }
.score-note{
  margin-left:auto;
  font-size:14px; color:var(--mist);
  max-width:320px; line-height:1.8;
}
.review-track{
  display:grid;
  grid-auto-flow:column;
  grid-template-rows:repeat(2,1fr);
  grid-auto-columns:326px;
  gap:18px;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  padding-bottom:14px;
  scrollbar-width:none;
}
.review-track::-webkit-scrollbar{ display:none; }
.review-card{
  scroll-snap-align:start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px;
  display:flex; flex-direction:column; gap:12px;
  transition:border-color .14s ease-out,box-shadow .14s ease-out,transform .14s ease-out;
}
.review-card:hover{ border-color:var(--line-2); box-shadow:var(--sh-2); transform:translateY(-2px); }
.review-head{ display:flex; align-items:center; gap:12px; }
.avatar{
  width:40px; height:40px; flex:0 0 auto;
  border-radius:50%;
  background:#EFEFEA;
  border:1px solid var(--line);
  display:grid; place-items:center;
  font-size:14px; font-weight:700; color:var(--ink);
}
.review-who strong{ display:block; font-size:15px; color:var(--ink); font-weight:600; }
.review-who span{ font-size:12px; color:var(--mist); }
.review-body{
  font-size:14px;
  line-height:1.8;
  color:var(--graphite);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.review-foot{
  margin-top:auto;
  display:flex; align-items:center; justify-content:space-between;
  font-size:12px; color:var(--mist);
}
@media (max-width:767px){
  .review-track{ grid-template-rows:1fr; grid-auto-columns:280px; }
  .score-note{ margin-left:0; }
  .review-top{ padding:22px; gap:22px; }
}

/* ============================================================
   下载区
   ============================================================ */
.dl-wrap{
  display:grid;
  grid-template-columns:1fr 300px;
  gap:28px;
  align-items:start;
}
.dl-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.dl-btn{
  display:flex; align-items:center; gap:16px;
  padding:20px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  transition:border-color .14s ease-out,box-shadow .14s ease-out,transform .14s ease-out,background-color .14s ease-out;
}
.dl-btn:hover{ border-color:var(--ink); box-shadow:var(--sh-2); transform:translateY(-2px); }
.dl-btn .dl-ico{
  width:44px; height:44px; flex:0 0 auto;
  border-radius:12px;
  background:#F1F1EC;
  color:var(--ink);
  display:grid; place-items:center;
}
.dl-btn .dl-ico svg{ width:22px; height:22px; }
.dl-txt{ display:grid; gap:2px; min-width:0; }
.dl-txt strong{ font-size:16px; font-weight:700; color:var(--ink); }
.dl-txt em{ font-style:normal; font-size:13px; color:var(--mist); }
.dl-btn .dl-arrow{ margin-left:auto; color:var(--mist); flex:0 0 auto; }
.dl-btn .dl-arrow svg{ width:16px; height:16px; }
.dl-btn.is-primary{
  background:var(--lime);
  border-color:var(--lime);
}
.dl-btn.is-primary .dl-ico{ background:rgba(12,13,16,.1); }
.dl-btn.is-primary .dl-txt em{ color:rgba(12,13,16,.62); }
.dl-btn.is-primary .dl-arrow{ color:var(--ink); }
.dl-btn.is-primary:hover{ filter:brightness(.96); }
.qr-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 24px;
  text-align:center;
  box-shadow:var(--sh-1);
}
.qr-card h3{ font-size:16px; font-weight:700; color:var(--ink); }
.qr-svg{
  width:132px; height:132px;
  margin:18px auto 14px;
  border-radius:12px;
  border:1px solid var(--line);
  display:block;
}
.qr-card p{ font-size:13px; color:var(--mist); line-height:1.7; }
.qr-tip{
  margin-top:14px;
  padding-top:14px;
  border-top:1px solid var(--line);
  font-size:12px;
  line-height:1.7;
  color:var(--mist);
}
@media (max-width:900px){
  .dl-wrap{ grid-template-columns:1fr; }
  .dl-grid{ grid-template-columns:1fr; }
  .qr-card{ text-align:left; }
  .qr-svg{ margin-left:0; }
}

/* ============================================================
   最新信息
   ============================================================ */
.news-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:24px; flex-wrap:wrap;
  margin-bottom:42px;
}
.news-head .sec-head{ margin-bottom:0; }
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.news-card{
  display:flex; flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  transition:border-color .14s ease-out,box-shadow .14s ease-out,transform .14s ease-out;
}
.news-card:hover{ border-color:var(--line-2); box-shadow:var(--sh-2); transform:translateY(-2px); }
.news-thumb{ background:var(--ph); }
.news-thumb img{
  width:100%;
  aspect-ratio:16 / 9;
  object-fit:cover;
}
.news-body{
  display:flex; flex-direction:column; gap:12px;
  padding:22px 22px 20px;
  flex:1 1 auto;
}
.news-body .badge{ align-self:flex-start; }
.news-title{
  font-size:17px;
  font-weight:700;
  line-height:1.5;
  color:var(--ink);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.news-desc{
  font-size:14px;
  line-height:1.8;
  color:var(--mist);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -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(--mist);
}
.news-more{
  display:inline-flex; align-items:center; gap:4px;
  font-weight:600; color:var(--ink);
}
.news-more svg{ width:13px; height:13px; transition:transform .14s ease-out; }
.news-card:hover .news-more svg{ transform:translateX(3px); }

.empty-state{
  grid-column:1 / -1;
  background:#fff;
  border:1px dashed var(--line-2);
  border-radius:var(--r-md);
  padding:64px 24px;
  text-align:center;
  display:grid; gap:16px; justify-items:center;
}
.empty-state .empty-ico{ color:var(--mist); }
.empty-state .empty-ico svg{ width:44px; height:44px; }
.empty-state p{ font-size:15px; color:var(--mist); }

@media (max-width:1023px){ .news-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:640px){ .news-grid{ grid-template-columns:1fr; } }

/* ============================================================
   FAQ
   ============================================================ */
.faq-wrap{ max-width:900px; margin:0 auto; }
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .14s ease-out,box-shadow .14s ease-out;
}
.faq-item:hover{ border-color:var(--line-2); }
.faq-item.open{ border-color:var(--ink); box-shadow:var(--sh-1); }
.faq-q{
  width:100%;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
  text-align:left;
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
  min-height:44px;
}
.faq-icon{
  position:relative;
  width:20px; height:20px; flex:0 0 auto;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute; left:50%; top:50%;
  background:var(--ink);
  border-radius:2px;
  transform:translate(-50%,-50%);
  transition:transform .18s ease-out,opacity .18s ease-out;
}
.faq-icon::before{ width:12px; height:2px; }
.faq-icon::after{ width:2px; height:12px; }
.faq-item.open .faq-icon::after{ transform:translate(-50%,-50%) rotate(90deg); opacity:0; }
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .26s ease-out;
}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--graphite);
}
@media (max-width:520px){
  .faq-q{ padding:18px 18px; font-size:15px; }
  .faq-a p{ padding:0 18px 18px; }
}

/* ============================================================
   深色 CTA 带
   ============================================================ */
.cta-band{
  background:var(--dark);
  color:var(--dark-text);
  padding:84px 0;
}
.cta-inner{
  display:grid;
  grid-template-columns:1fr auto;
  gap:44px;
  align-items:center;
}
.cta-band h2{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.02em;
  color:#FFFFFF;
}
.cta-band p{
  margin-top:16px;
  font-size:16px;
  line-height:1.85;
  color:rgba(245,246,243,.68);
  max-width:640px;
}
.cta-actions{ display:flex; gap:14px; flex-wrap:wrap; }
.cta-band .btn-ghost{
  background:transparent;
  color:#F5F6F3;
  border-color:rgba(245,246,243,.32);
}
.cta-band .btn-ghost:hover{ background:#F5F6F3; color:var(--ink); border-color:#F5F6F3; }
.cta-note{
  margin-top:26px;
  font-size:13px;
  color:rgba(245,246,243,.52);
  line-height:1.7;
}
@media (max-width:900px){
  .cta-inner{ grid-template-columns:1fr; gap:30px; }
  .cta-actions .btn{ width:100%; }
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer{
  background:var(--dark);
  color:rgba(245,246,243,.66);
  padding:72px 0 0;
  border-top:1px solid rgba(245,246,243,.1);
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:56px;
}
.footer-brand .brand-text{ color:#FFFFFF; }
.footer-brand .brand-mark{ background:rgba(245,246,243,.1); }
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.8;
  color:rgba(245,246,243,.6);
  max-width:320px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#FFFFFF;
  letter-spacing:.04em;
  margin-bottom:18px;
}
.footer-col ul{ display:grid; gap:11px; }
.footer-col a{
  font-size:14px;
  color:rgba(245,246,243,.66);
}
.footer-col a:hover{
  color:var(--lime);
  text-decoration:underline;
  text-underline-offset:4px;
}
.footer-bottom{
  border-top:1px solid rgba(245,246,243,.12);
  padding:24px 0 30px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(245,246,243,.48);
}
.footer-bottom .foot-links{ display:flex; gap:18px; flex-wrap:wrap; }
.to-top{
  display:inline-flex; align-items:center; gap:8px;
  height:40px; padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid rgba(245,246,243,.25);
  color:#F5F6F3;
  font-size:13px; font-weight:600;
  transition:background-color .14s ease-out,color .14s ease-out,border-color .14s ease-out;
}
.to-top:hover{ background:var(--lime); color:var(--ink); border-color:var(--lime); }
.to-top svg{ width:14px; height:14px; }
@media (max-width:900px){
  .footer-grid{ grid-template-columns:1fr 1fr; gap:34px; }
  .footer-brand{ grid-column:1 / -1; }
}
@media (max-width:520px){
  .footer-grid{ grid-template-columns:1fr; }
  .footer-bottom{ flex-direction:column; align-items:flex-start; }
}

/* ============================================================
   滚动淡入
   ============================================================ */
.js .reveal{
  opacity:0;
  transform:translateY(12px);
  transition:opacity .32s ease-out,transform .32s ease-out;
}
.js .reveal.in{ opacity:1; transform:none; }

@media (prefers-reduced-motion:reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .js .reveal{ opacity:1 !important; transform:none !important; }
}

/* roulang page: article */
:root{
  --ink:#0C0D10;
  --graphite:#3A3F45;
  --mist:#7A8087;
  --lime:#C6F53A;
  --lime-deep:#AFDC22;
  --orange:#FF6A2C;
  --bg:#FAFAF7;
  --card:#FFFFFF;
  --line:#E7E7E2;
  --line-strong:#CFCFC8;
  --placeholder:#EFEFEA;
  --danger:#E5484D;
  --ok:#E9F7D2;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,13,16,.05);
  --sh-2:0 14px 34px -18px rgba(12,13,16,.22);
  --container:1200px;
  --container-wide:1320px;
  --font:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--graphite);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
::selection{background:var(--lime);color:var(--ink)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:var(--container-wide)}}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;border-radius:0 0 10px 0;z-index:200}
.skip-link:focus{left:0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;transition:transform .14s ease-out,box-shadow .14s ease-out,background .14s ease-out,color .14s ease-out,border-color .14s ease-out;
}
.btn svg{width:16px;height:16px;transition:transform .14s ease-out}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{background:var(--lime-deep);border-color:var(--lime-deep);box-shadow:var(--sh-2)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-line{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-line:hover{border-color:var(--ink);background:#fff}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn:active{transform:translateY(1px)}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px;border-radius:4px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;line-height:1;
  border:1px solid var(--line-strong);color:var(--graphite);background:#fff;
}
.badge-official{border-color:var(--orange);color:#C0470F;background:#FFF3EC}
.badge-new{border-color:var(--orange);color:#C0470F;background:#FFF3EC}
.badge-cat{border-color:var(--ink);color:var(--ink)}
.badge-lime{border-color:var(--lime);background:#F4FCDD;color:#4C6111}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .18s ease-out,border-color .18s ease-out;
}
.site-header.is-stuck{box-shadow:var(--sh-1);border-bottom-color:var(--line)}
.header-inner{
  display:flex;align-items:center;flex-wrap:wrap;gap:18px 20px;
  padding:14px 0;min-height:78px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:none}
.brand-mark{
  display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:2px;width:32px;height:32px;flex:none;
}
.brand-mark i{display:block;background:var(--ink);border-radius:2px}
.brand-mark i.hi{background:var(--lime)}
.brand-text{display:block;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.2}
.brand-sub{display:block;font-size:12px;color:var(--mist);line-height:1.4;letter-spacing:.02em}
.nav-search{
  position:relative;display:flex;align-items:center;flex:1 1 380px;max-width:520px;
  height:52px;background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 5px 0 46px;transition:border-color .14s ease-out,box-shadow .14s ease-out;
}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 4px rgba(198,245,58,.35)}
.nav-search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--mist)}
.nav-search-icon svg{width:20px;height:20px}
.nav-search input{
  flex:1;min-width:0;height:46px;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--ink);
}
.nav-search input::placeholder{color:#A2A7AC}
.nav-search-btn{
  height:42px;padding:0 20px;border-radius:var(--r-pill);background:var(--lime);
  color:var(--ink);font-size:14px;font-weight:700;transition:background .14s ease-out;
}
.nav-search-btn:hover{background:var(--lime-deep)}
.nav-links{display:flex;align-items:center;gap:4px;flex:none}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 13px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--graphite);
  transition:color .14s ease-out,background .14s ease-out,box-shadow .14s ease-out;
}
.nav-link:hover{color:var(--ink);background:#F2F2ED}
.nav-link.is-active{color:var(--ink);background:#fff;box-shadow:inset 0 0 0 1.5px var(--ink)}
.nav-cta{flex:none;margin-left:auto}
@media (max-width:1279px){
  .nav-links{order:5;flex:1 0 100%;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;padding-bottom:2px}
  .nav-links::-webkit-scrollbar{display:none}
  .nav-cta{margin-left:auto}
}
@media (max-width:1023px){
  .brand-sub{display:none}
  .nav-search{max-width:none}
}
@media (max-width:899px){
  .header-inner{padding:12px 0}
  .brand{flex:1 1 auto}
  .nav-cta{margin-left:0}
  .nav-search{order:4;flex:1 0 100%;height:46px;max-width:none;padding-left:42px}
  .nav-search input{height:40px}
  .nav-search-btn{height:38px;padding:0 16px}
  .nav-links{order:5}
  .brand-text{font-size:15px}
  .brand-mark{width:28px;height:28px}
}
@media (max-width:520px){
  .brand-text{font-size:14px}
  .brand-mark{width:24px;height:24px}
  .nav-cta .btn{padding:0 14px;height:38px;font-size:13.5px}
}

/* ---------- 页面通用 ---------- */
main{display:block}
.section{padding:104px 0}
.section-sm{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--mist);
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);display:block}
.h2{font-size:clamp(28px,3.4vw,40px);line-height:1.15;letter-spacing:-.02em}
.lead{font-size:17px;color:var(--mist);line-height:1.85;margin-top:16px}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-color:#F4F4EF;
  background-image:linear-gradient(90deg,rgba(250,250,247,.96) 0%,rgba(250,250,247,.82) 52%,rgba(250,250,247,.6) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(12,13,16,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(12,13,16,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 78%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.5),transparent 78%);
}
.article-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:52px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--mist);margin-bottom:26px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs .sep{color:#C4C8CC}
.crumbs a{color:var(--mist);transition:color .14s ease-out}
.crumbs a:hover{color:var(--ink);text-decoration:underline}
.crumbs .current{
  color:var(--ink);font-weight:600;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.article-meta-top{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.article-hero h1{
  font-size:clamp(32px,4.4vw,52px);line-height:1.12;font-weight:800;letter-spacing:-.03em;
  max-width:21ch;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:26px;padding-top:22px;border-top:1px solid rgba(12,13,16,.12);
  font-size:13.5px;color:var(--mist);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C4C8CC;display:block}
.meta-row strong{color:var(--ink);font-weight:600}

/* ---------- 文章布局 ---------- */
.article-wrap{padding:56px 0 104px}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:56px;align-items:start;
}
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:44px}
}
.article-main{min-width:0}
.article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.85;color:var(--graphite)}
.article-body>*+*{margin-top:22px}
.article-body p{margin:0;line-height:1.85}
.article-body h2{
  position:relative;margin-top:46px;padding-left:16px;
  font-size:clamp(23px,2.4vw,28px);line-height:1.3;font-weight:700;color:var(--ink);letter-spacing:-.01em;
  scroll-margin-top:110px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.16em;width:4px;height:1em;border-radius:2px;background:var(--lime);
}
.article-body h3{margin-top:34px;font-size:21px;line-height:1.35;color:var(--ink);scroll-margin-top:110px}
.article-body h4{margin-top:26px;font-size:18px;color:var(--ink)}
.article-body a{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px}
.article-body a:hover{background:var(--lime);text-decoration-color:transparent}
.article-body ul,.article-body ol{margin-left:1.5em;padding-left:.1em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-top:8px;line-height:1.85}
.article-body li::marker{color:var(--ink)}
.article-body blockquote{
  margin:28px 0;padding:18px 22px;background:#F2F2EC;border-left:3px solid var(--ink);
  border-radius:0 var(--r-m) var(--r-m) 0;color:var(--graphite);
}
.article-body blockquote p{font-size:16.5px}
.article-body img{border-radius:var(--r-m);margin:28px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:28px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--mist);margin-top:10px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:40px 0}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;background:#fff;border:1px solid var(--line);border-radius:var(--r-m)}
.article-body th,.article-body td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body th{background:#F5F5F0;color:var(--ink);font-weight:700;font-size:14px}
.article-body tr:last-child td{border-bottom:0}
.article-body pre{
  background:#F2F2EC;border:1px solid var(--line);border-radius:12px;padding:18px 20px;overflow-x:auto;
  font-family:var(--mono);font-size:14px;line-height:1.7;color:var(--ink);
}
.article-body code{font-family:var(--mono);font-size:.92em;background:#F2F2EC;border-radius:6px;padding:2px 6px;color:#3C4A0E}
.article-body pre code{background:none;padding:0;color:inherit}
.article-body strong{color:var(--ink);font-weight:700}

/* 空态 */
.article-empty{
  max-width:760px;margin:0 auto;padding:64px 28px;text-align:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh-1);
}
.article-empty .ico{width:56px;height:56px;margin:0 auto 18px;color:var(--mist)}
.article-empty h2{font-size:22px;margin-bottom:10px}
.article-empty p{color:var(--mist);font-size:15.5px}
.article-empty .btn{margin-top:24px}

/* 文末 */
.article-foot{max-width:760px;margin:48px auto 0;padding-top:28px;border-top:1px solid var(--line)}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--graphite);
  transition:border-color .14s ease-out,color .14s ease-out,background .14s ease-out;
}
.tag:hover{border-color:var(--ink);color:var(--ink);background:#F7F7F2}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px}
.share-label{font-size:13.5px;color:var(--mist);margin-right:2px}
.icon-btn{
  width:42px;height:42px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--graphite);
  transition:border-color .14s ease-out,color .14s ease-out,transform .14s ease-out,box-shadow .14s ease-out;
}
.icon-btn svg{width:18px;height:18px}
.icon-btn:hover{border-color:var(--ink);color:var(--ink);transform:translateY(-2px);box-shadow:var(--sh-2)}

/* 侧栏 */
.article-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
@media (max-width:1023px){
  .article-side{position:static;top:auto}
}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:24px;box-shadow:var(--sh-1)}
.side-card h3{font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--mist);margin-bottom:16px;font-weight:700}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc-list a{
  position:relative;display:block;padding:9px 10px 9px 16px;border-radius:var(--r-s);
  font-size:14.5px;color:var(--graphite);line-height:1.5;
  transition:background .14s ease-out,color .14s ease-out;
}
.toc-list a::before{
  content:"";position:absolute;left:2px;top:11px;bottom:11px;width:3px;border-radius:2px;background:transparent;
  transition:background .14s ease-out;
}
.toc-list a:hover{background:#F5F5F0;color:var(--ink)}
.toc-list a.is-current{color:var(--ink);font-weight:600}
.toc-list a.is-current::before{background:var(--lime)}
.toc-empty{font-size:14px;color:var(--mist)}
.hot-list li+li{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.hot-list a{display:block;font-size:15px;color:var(--ink);font-weight:600;line-height:1.6;transition:color .14s ease-out}
.hot-list a:hover{color:#5A7412}
.hot-list span{display:block;font-size:12.5px;color:var(--mist);margin-top:5px}
.side-cta{background:var(--ink);border-color:var(--ink);color:#F5F6F3}
.side-cta h3{color:#9BA0A6}
.side-cta p{font-size:15px;color:#D4D7D2;line-height:1.75;margin-bottom:18px}
.side-cta .btn{width:100%}
.side-note{font-size:12.5px;color:#8B9096;margin-top:12px;line-height:1.6}

/* 相关推荐 */
.related{padding:0 0 96px}
.section-sub{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--ink);transition:gap .14s ease-out,color .14s ease-out}
.link-more svg{width:16px;height:16px}
.link-more:hover{gap:10px;color:#5A7412}
.card-grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
@media (max-width:1023px){.card-grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.card-grid-3{grid-template-columns:1fr}}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:16px;overflow:hidden;
  transition:border-color .14s ease-out,box-shadow .14s ease-out,transform .14s ease-out;
}
.card:hover{border-color:var(--line-strong);box-shadow:var(--sh-2);transform:translateY(-2px)}
.card-media{position:relative;aspect-ratio:16/9;background:var(--placeholder);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;margin:0;box-shadow:none}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:16.5px;line-height:1.5;font-weight:700}
.card-body p{font-size:14.5px;color:var(--mist);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:12.5px;color:var(--mist)}

/* 上下篇 */
.prevnext{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-bottom:32px}
@media (max-width:640px){.prevnext{grid-template-columns:1fr}}
.pn-card{
  display:flex;flex-direction:column;gap:8px;padding:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-m);transition:border-color .14s ease-out,box-shadow .14s ease-out,transform .14s ease-out;
}
.pn-card:hover{border-color:var(--ink);box-shadow:var(--sh-2);transform:translateY(-2px)}
.pn-dir{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--mist)}
.pn-dir svg{width:15px;height:15px}
.pn-card strong{font-size:16px;line-height:1.55;color:var(--ink);font-weight:700}
.pn-card span.meta{font-size:12.5px;color:var(--mist)}
.pn-card.next{align-items:flex-end;text-align:right}

/* ---------- 深色 CTA ---------- */
.cta-band{background:var(--ink);color:#F5F6F3;padding:88px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:36px}
.cta-copy{max-width:640px}
.cta-copy h2{color:#fff;font-size:clamp(26px,3.2vw,38px);line-height:1.18;letter-spacing:-.02em}
.cta-copy p{color:#B9BDB8;font-size:16px;margin-top:14px;line-height:1.8}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:#4A4F55}
.cta-band .btn-ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.cta-note{width:100%;font-size:13px;color:#8B9096;border-top:1px solid #24262A;padding-top:20px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#B9BDB8;padding:72px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px}
@media (max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;gap:34px}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark i{background:#5B6066}
.footer-brand .brand-mark i.hi{background:var(--lime)}
.footer-brand p{font-size:14px;line-height:1.85;color:#9BA0A6;margin-top:18px;max-width:36ch}
.footer-col h4{color:#fff;font-size:14px;letter-spacing:.06em;margin-bottom:18px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14.5px;color:#B9BDB8;transition:color .14s ease-out}
.footer-col a:hover{color:var(--lime);text-decoration:underline}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:52px;padding-top:24px;border-top:1px solid #24262A;font-size:13px;color:#8B9096;
}
.foot-links{display:flex;flex-wrap:wrap;gap:18px}
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:#D4D7D2;
  transition:color .14s ease-out;
}
.to-top svg{width:15px;height:15px}
.to-top:hover{color:var(--lime)}

/* 淡入 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease-out,transform .32s ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}

@media (max-width:1023px){
  .section{padding:72px 0}
  .section-sm{padding:56px 0}
  .article-wrap{padding:44px 0 76px}
  .related{padding-bottom:72px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .section{padding:52px 0}
  .article-hero .container{padding-top:30px;padding-bottom:38px}
  .article-hero h1{max-width:none}
  .crumbs .current{max-width:100%;white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .cta-band{padding:60px 0}
  .btn{height:46px}
  .site-footer{padding:56px 0 26px}
}

/* roulang page: category1 */
:root{
  --ink:#0C0D10;
  --graphite:#3A3F45;
  --mist:#7A8087;
  --lime:#C6F53A;
  --orange:#FF6A2C;
  --bg:#FAFAF7;
  --card:#FFFFFF;
  --line:#E7E7E2;
  --line-strong:#D8D8D1;
  --placeholder:#EFEFEA;
  --soft:#F5F5F1;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(12,13,16,.05);
  --sh-2:0 14px 34px -18px rgba(12,13,16,.22);
  --t:140ms ease-out;
  --pad-section:104px;
  --container:1320px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,form{margin:0}
ul,ol{padding:0;list-style:none}
strong{font-weight:700}
:focus-visible{outline:3px solid rgba(198,245,58,.85);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--pad-section) 0}
.section-tight{padding:calc(var(--pad-section) * .62) 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{margin-top:0}
.section-head p{margin-top:16px;color:var(--graphite);font-size:16.5px;max-width:680px}

h1{font-size:clamp(40px,5.2vw,64px);line-height:1.08;font-weight:800;letter-spacing:-.03em}
h2{font-size:clamp(28px,3.4vw,40px);line-height:1.15;font-weight:700;letter-spacing:-.02em}
h3{font-size:22px;line-height:1.3;font-weight:700}
p{font-size:17px;line-height:1.85}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 12px;margin-bottom:18px;
  border-radius:var(--r-pill);background:#fff;border:1px solid var(--line-strong);
  font-size:12.5px;letter-spacing:.04em;color:var(--graphite);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}
.eyebrow.lime::before{background:var(--lime);box-shadow:0 0 0 1px rgba(12,13,16,.25)}

.mark{position:relative;z-index:0;display:inline-block}
.mark::after{
  content:"";position:absolute;left:-2px;right:-2px;bottom:.08em;height:.32em;
  background:var(--lime);opacity:.8;border-radius:3px;z-index:-1;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-pill);
  border:1px solid transparent;font-size:15px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:transform var(--t),filter var(--t),background var(--t),color var(--t),border-color var(--t),box-shadow var(--t);
}
.btn svg{width:16px;height:16px;transition:transform var(--t)}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{filter:brightness(.94)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-ghost{background:#fff;border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#F5F6F3}
.btn-ghost:hover svg{transform:translateX(4px)}
.btn-outline-light{background:transparent;border-color:rgba(245,246,243,.42);color:#F5F6F3}
.btn-outline-light:hover{background:#F5F6F3;color:var(--ink);border-color:#F5F6F3}
.btn:active{transform:translateY(1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,250,247,.96);
  border-bottom:1px solid transparent;
  transition:background var(--t),box-shadow var(--t),border-color var(--t);
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:78px;padding:10px 0}

.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;border-radius:var(--r-sm)}
.brand-mark{display:grid;grid-template-columns:repeat(3,6px);grid-auto-rows:6px;gap:3px}
.brand-mark i{display:block;width:6px;height:6px;border-radius:2px;background:var(--ink)}
.brand-mark i.hi{background:var(--lime);box-shadow:0 0 0 1px rgba(12,13,16,.28)}
.brand-text{display:block;font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.brand-sub{display:block;font-size:11px;letter-spacing:.14em;color:var(--mist);line-height:1.4}

.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 auto;max-width:560px;height:52px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 6px 0 44px;
  transition:border-color var(--t),box-shadow var(--t);
}
.nav-search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--mist)}
.nav-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;outline:none;font-size:15px}
.nav-search input::placeholder{color:var(--mist)}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 4px rgba(198,245,58,.35)}
.nav-search-btn{
  height:40px;padding:0 20px;border:0;border-radius:var(--r-pill);
  background:var(--lime);color:var(--ink);font-size:14px;font-weight:700;cursor:pointer;
  transition:filter var(--t);
}
.nav-search-btn:hover{filter:brightness(.94)}

.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:9px 12px;border-radius:var(--r-pill);
  font-size:15px;color:var(--graphite);white-space:nowrap;
  transition:color var(--t),background var(--t);
}
.nav-link:hover{color:var(--ink);background:var(--soft)}
.nav-link.is-active{color:var(--ink);font-weight:700;background:var(--soft)}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:3px;transform:translateX(-50%);
  width:16px;height:2px;border-radius:2px;background:var(--lime);box-shadow:0 0 0 1px rgba(12,13,16,.2);
}
.nav-cta{flex:0 0 auto}

.menu-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;
  border:1px solid var(--line-strong);border-radius:var(--r-md);background:#fff;
  cursor:pointer;padding:0;align-items:center;justify-content:center;flex-direction:column;gap:4px;
  margin-left:auto;
}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}

/* ---------- 面包屑 ---------- */
.crumbs{margin-bottom:22px}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--mist)}
.crumbs li{display:inline-flex;align-items:center;gap:8px}
.crumbs li + li::before{content:"›";color:var(--line-strong)}
.crumbs a{color:var(--mist);transition:color var(--t)}
.crumbs a:hover{color:var(--ink);text-decoration:underline}
.crumbs .current{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:64px 0 78px;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(250,250,247,.95) 0%,rgba(250,250,247,.88) 55%,rgba(250,250,247,1) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
}
.hero-inner{max-width:880px}
.hero h1{margin-bottom:20px}
.hero-lead{font-size:17.5px;line-height:1.85;color:var(--graphite);max-width:660px}
.hero-search{max-width:600px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:22px;font-size:13px;color:var(--mist)}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.dot{width:7px;height:7px;border-radius:50%;background:var(--lime);box-shadow:0 0 0 2px rgba(198,245,58,.35)}
.dot.orange{background:var(--orange);box-shadow:0 0 0 2px rgba(255,106,44,.25)}

/* ---------- 入口目录 + 卡片 ---------- */
.entry-layout{display:grid;grid-template-columns:270px minmax(0,1fr);gap:40px;align-items:start}

.toc{
  position:sticky;top:100px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:22px 18px;box-shadow:var(--sh-1);
}
.toc h3{font-size:12.5px;font-weight:700;letter-spacing:.16em;color:var(--mist);margin-bottom:12px;padding-left:12px}
.toc a{
  position:relative;display:block;
  padding:10px 12px 10px 16px;border-radius:var(--r-sm);
  font-size:14.5px;color:var(--graphite);
  transition:background var(--t),color var(--t);
}
.toc a::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;border-radius:2px;background:var(--lime);
  transition:height var(--t);
}
.toc a:hover{background:var(--soft);color:var(--ink)}
.toc a:hover::before{height:14px}
.toc a.is-current{background:var(--soft);color:var(--ink);font-weight:700}
.toc a.is-current::before{height:20px;box-shadow:0 0 0 1px rgba(12,13,16,.2)}

.entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.entry-card{
  position:relative;display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong)}
.entry-card figure{aspect-ratio:16/9;background:var(--placeholder);overflow:hidden}
.entry-card img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out}
.entry-card:hover img{transform:scale(1.03)}
.entry-card-body{display:flex;flex-direction:column;gap:12px;flex:1;padding:24px}
.entry-card h3{font-size:21px}
.entry-card p{
  font-size:15px;line-height:1.8;color:var(--graphite);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--r-pill);border:1px solid var(--line-strong);
  background:#FBFBF8;font-size:12px;color:var(--graphite);
}
.tag.official{border-color:var(--orange);background:#FFF3EC;color:#B44117}
.entry-card-foot{margin-top:auto;display:flex;justify-content:flex-end;align-items:center}
.card-arrow{
  display:grid;place-items:center;width:38px;height:38px;
  border-radius:var(--r-pill);border:1px solid var(--line-strong);
  transition:background var(--t),border-color var(--t),transform var(--t);
}
.card-arrow svg{width:16px;height:16px}
.entry-card:hover .card-arrow{background:var(--lime);border-color:var(--ink);transform:translateX(4px)}

/* ---------- 步骤 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0}
.step{padding:0 30px;border-left:1px solid var(--line)}
.step:first-child{padding-left:0;border-left:0}
.step-num{
  display:block;font-size:clamp(40px,4.6vw,56px);line-height:1;font-weight:800;
  letter-spacing:-.04em;font-variant-numeric:tabular-nums;color:var(--ink);
}
.step-num em{font-style:normal;color:var(--line-strong)}
.step h3{margin-top:18px;font-size:20px}
.step p{margin-top:10px;font-size:15.5px;color:var(--graphite)}

/* ---------- 环境 / 通道 ---------- */
.env-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:24px;align-items:start}
.panel{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1)}
.panel-head{padding:22px 24px;border-bottom:1px solid var(--line)}
.panel-head h3{font-size:18px}
.panel-head p{margin-top:6px;font-size:13.5px;color:var(--mist);line-height:1.7}
.env-row{
  display:flex;align-items:baseline;justify-content:space-between;gap:24px;
  padding:17px 24px;border-bottom:1px solid var(--line);font-size:15px;
}
.env-row:last-child{border-bottom:0}
.env-key{flex:0 0 132px;color:var(--mist);font-size:14px}
.env-val{flex:1;text-align:right;font-weight:600;color:var(--ink);font-variant-numeric:tabular-nums}
.status-row{display:flex;align-items:center;gap:14px;padding:17px 24px;border-bottom:1px solid var(--line)}
.status-row:last-child{border-bottom:0}
.status-name{font-size:15px;font-weight:600;flex:0 0 92px}
.status-desc{flex:1;font-size:13.5px;color:var(--mist);line-height:1.7}
.status-time{font-size:12.5px;color:var(--mist);font-variant-numeric:tabular-nums;white-space:nowrap}
.pill-ok{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);border:1px solid var(--lime);background:#F7FDE8;
  font-size:12px;font-weight:600;color:#3F4A12;
}
.pill-wait{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;
  border-radius:var(--r-pill);border:1px solid var(--orange);background:#FFF3EC;
  font-size:12px;font-weight:600;color:#B44117;
}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto}
.faq details{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq details[open]{border-color:var(--line-strong);box-shadow:var(--sh-1)}
.faq summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:flex-start;justify-content:space-between;gap:20px;
  padding:20px 24px;font-size:17px;font-weight:600;line-height:1.6;
}
.faq summary::-webkit-details-marker{display:none}
.faq .icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;margin-top:3px;
  border-radius:var(--r-pill);border:1px solid var(--line-strong);
  transition:background var(--t),border-color var(--t);
}
.faq .icon::before,.faq .icon::after{
  content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  background:var(--ink);border-radius:2px;
}
.faq .icon::before{width:10px;height:2px}
.faq .icon::after{width:2px;height:10px;transition:opacity var(--t)}
.faq details[open] .icon{background:var(--lime);border-color:var(--ink)}
.faq details[open] .icon::after{opacity:0}
.faq-body{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--graphite);max-width:760px}

/* ---------- 相关分类 ---------- */
.cats h2{font-size:24px;margin-bottom:20px}
.cat-pills{display:flex;flex-wrap:wrap;gap:12px}
.cat-pill{
  display:inline-flex;align-items:center;height:42px;padding:0 22px;
  border-radius:var(--r-pill);border:1px solid var(--line-strong);background:#fff;
  font-size:14.5px;color:var(--ink);
  transition:transform var(--t),border-color var(--t),box-shadow var(--t),background var(--t),color var(--t);
}
.cat-pill:hover{transform:translateY(-2px);border-color:var(--ink);box-shadow:var(--sh-1)}
.cat-pill.is-current{background:var(--ink);border-color:var(--ink);color:#F5F6F3}

/* ---------- CTA 深色带 ---------- */
.cta-band{background:var(--ink);color:#F5F6F3}
.cta-inner{display:grid;grid-template-columns:1.35fr .9fr;gap:44px;align-items:center;padding:76px 0}
.cta-band h2{color:#fff;margin-bottom:16px}
.cta-band p{color:#B4B8B1;font-size:16.5px;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.cta-note{margin-top:16px;font-size:13px;color:#8C918A;line-height:1.7}
.cta-side{display:flex;flex-direction:column;gap:14px}
.cta-stat{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding:16px 20px;border:1px solid rgba(245,246,243,.16);border-radius:var(--r-md);
  background:rgba(245,246,243,.04);
}
.cta-stat b{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em;color:#fff}
.cta-stat span{font-size:13px;color:#9AA097}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#D2D6CF;padding:76px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand .brand-text{color:#FFFFFF;font-size:16px}
.footer-brand .brand-mark i{background:#F5F6F3}
.footer-brand .brand-mark i.hi{background:var(--lime);box-shadow:0 0 0 1px rgba(245,246,243,.3)}
.footer-brand p{font-size:14.5px;line-height:1.85;color:#9AA097;max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.08em;color:#fff;margin-bottom:18px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14.5px;color:#9AA097;transition:color var(--t)}
.footer-col a:hover{color:var(--lime);text-decoration:underline}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:56px;padding:22px 0 30px;
  border-top:1px solid rgba(245,246,243,.13);
  font-size:13px;color:#8C918A;
}
.foot-links{display:flex;gap:18px;flex-wrap:wrap}
.to-top{display:inline-flex;align-items:center;gap:8px;color:#D2D6CF;font-size:13px;transition:color var(--t)}
.to-top svg{width:16px;height:16px}
.to-top:hover{color:var(--lime)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 320ms ease-out,transform 320ms ease-out}
.reveal.is-visible{opacity:1;transform:none}

/* ---------- 断点 ---------- */
@media (max-width:1279px){
  .header-inner{gap:14px}
  .nav-search{max-width:440px}
  .nav-link{padding:9px 10px;font-size:14.5px}
}
@media (max-width:1119px){
  .brand-sub{display:none}
  .nav-cta .btn{height:38px;padding:0 16px;font-size:13.5px}
  .nav-search{max-width:360px;height:48px}
}
@media (max-width:1023px){
  :root{--pad-section:72px}
  .brand-sub{display:none}
  .entry-layout{grid-template-columns:1fr;gap:28px}
  .toc{position:static}
  .toc ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px}
  .env-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr;gap:26px}
  .step{padding:0;border-left:0;border-top:1px solid var(--line);padding-top:22px}
  .step:first-child{border-top:0;padding-top:0}
  .cta-inner{grid-template-columns:1fr;padding:64px 0;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:899px){
  .header-inner{flex-wrap:wrap;gap:12px;padding:12px 0;min-height:0}
  .brand{flex:1 1 auto}
  .menu-toggle{display:flex}
  .nav-search{order:3;flex:1 1 100%;max-width:none;height:46px;padding-left:42px}
  .nav-search input{font-size:15px}
  .nav-links{
    order:5;flex:1 1 100%;display:none;flex-direction:column;align-items:stretch;
    gap:2px;margin-left:0;padding:10px 0 4px;border-top:1px solid var(--line);
  }
  .nav-links.is-open{display:flex}
  .nav-link{padding:12px 10px;font-size:15.5px;border-radius:var(--r-sm)}
  .nav-link.is-active::after{left:10px;transform:none;bottom:8px}
  .nav-cta{display:none}
}
@media (max-width:767px){
  :root{--pad-section:52px}
  .container{padding:0 20px}
  body{font-size:16.5px}
  .hero{padding:44px 0 56px}
  .hero-lead{font-size:16.5px}
  .entry-grid{grid-template-columns:1fr}
  .toc ul{grid-template-columns:1fr}
  .entry-card-body{padding:20px}
  .env-row{flex-direction:column;gap:6px}
  .env-key{flex:none}
  .env-val{text-align:left}
  .status-row{flex-wrap:wrap;gap:10px}
  .status-name{flex:0 0 auto}
  .status-desc{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{justify-content:flex-start}
  .faq summary{padding:18px 20px;font-size:16px}
  .faq-body{padding:0 20px 20px}
}
@media (max-width:520px){
  h1{letter-spacing:-.02em}
  .btn{width:100%}
  .btn-sm,.cat-pill{width:auto}
  .cta-actions .btn{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .reveal{opacity:1 !important;transform:none !important}
}

/* roulang page: category2 */
:root{
  --ink:#0C0D10;
  --ink-2:#17181C;
  --graphite:#3A3F45;
  --fog:#7A8087;
  --accent:#C6F53A;
  --accent-ring:rgba(198,245,58,.35);
  --signal:#FF6A2C;
  --bg:#FAFAF7;
  --card:#FFFFFF;
  --line:#E7E7E2;
  --line-2:#D6D6CF;
  --placeholder:#EFEFEA;
  --dark-text:#F5F6F3;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --radius-p:999px;
  --sh-1:0 1px 2px rgba(12,13,16,.05);
  --sh-2:0 14px 34px -18px rgba(12,13,16,.22);
  --t:140ms ease-out;
  --sec-y:104px;
  --gap:24px;
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  font-feature-settings:"tnum";
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
svg{display:block;}

::selection{background:var(--accent);color:var(--ink);}

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

/* ---------- 通用元素 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-p);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  transition:background var(--t), color var(--t), border-color var(--t), transform var(--t), box-shadow var(--t);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform var(--t);}
.btn-primary{background:var(--accent);color:var(--ink);border-color:var(--accent);}
.btn-primary:hover{filter:brightness(.94);box-shadow:var(--sh-2);}
.btn-primary:hover svg{transform:translateX(4px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line-2);}
.btn-ghost:hover{background:var(--ink);color:var(--dark-text);border-color:var(--ink);}
.btn-ghost:hover svg{transform:translateX(4px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:focus-visible{outline:3px solid var(--accent-ring);outline-offset:2px;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:24px;
  padding:0 10px;
  border-radius:var(--radius-p);
  font-size:12px;
  font-weight:600;
  line-height:1;
  letter-spacing:.02em;
}
.tag-official{color:var(--signal);border:1px solid var(--signal);background:#FFF3ED;}
.tag-new{color:var(--signal);border:1px solid var(--signal);background:#FFF3ED;}
.tag-cat{color:var(--ink);border:1px solid var(--ink);background:transparent;}
.tag-soft{color:var(--graphite);border:1px solid var(--line);background:var(--placeholder);}

.num{font-variant-numeric:tabular-nums;}

.sec{padding:var(--sec-y) 0;}
.sec-head{max-width:760px;margin-bottom:48px;}
.sec-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--fog);
  text-transform:uppercase;
  margin-bottom:14px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;}
.sec-title{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.15;
  font-weight:700;
  letter-spacing:-.02em;
}
.sec-desc{margin-top:14px;color:var(--graphite);font-size:16px;line-height:1.85;}

/* ---------- 页头 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t), background var(--t);
}
.site-header.is-scrolled{
  background:#FFFFFF;
  box-shadow:var(--sh-1);
  border-bottom-color:var(--line-2);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:84px;
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:24px;
  height:24px;
  display:grid;
  grid-template-columns:repeat(3,1fr);
  grid-template-rows:repeat(3,1fr);
  gap:2px;
  flex-shrink:0;
}
.brand-mark i{background:var(--ink);border-radius:2px;transition:background var(--t);}
.brand-mark i.hi{background:var(--accent);}
.brand:hover .brand-mark i{background:var(--graphite);}
.brand:hover .brand-mark i.hi{background:var(--accent);}
.brand-text{
  display:block;
  font-size:16px;
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.2;
  color:var(--ink);
  white-space:nowrap;
}
.brand-sub{
  display:block;
  font-size:11px;
  color:var(--fog);
  letter-spacing:.08em;
  line-height:1.4;
}

.nav-search{
  position:relative;
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:520px;
  height:52px;
  padding-left:18px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-p);
  transition:border-color var(--t), box-shadow var(--t);
}
.nav-search:focus-within{
  border-color:var(--ink);
  box-shadow:0 0 0 4px var(--accent-ring);
}
.nav-search-icon{width:18px;height:18px;color:var(--fog);flex-shrink:0;}
.nav-search-icon svg{width:18px;height:18px;}
.nav-search input{
  flex:1;
  min-width:0;
  height:100%;
  border:0;
  background:transparent;
  padding:0 12px;
  font-size:15px;
  outline:none;
}
.nav-search input::placeholder{color:var(--fog);}
.nav-search-btn{
  height:40px;
  margin-right:6px;
  padding:0 20px;
  border-radius:var(--radius-p);
  background:var(--accent);
  color:var(--ink);
  font-size:14px;
  font-weight:700;
  transition:filter var(--t), transform var(--t);
}
.nav-search-btn:hover{filter:brightness(.94);}
.nav-search-btn:active{transform:translateY(1px);}

.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 13px;
  border-radius:var(--radius-p);
  font-size:14.5px;
  font-weight:500;
  color:var(--graphite);
  transition:background var(--t), color var(--t);
  white-space:nowrap;
}
.nav-link:hover{background:var(--placeholder);color:var(--ink);}
.nav-link.is-active{background:var(--ink);color:#FFFFFF;font-weight:600;}
.nav-cta{flex-shrink:0;}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--fog);margin-bottom:22px;flex-wrap:wrap;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"›";color:var(--line-2);}
.breadcrumb a{color:var(--fog);transition:color var(--t);}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;}
.breadcrumb [aria-current]{color:var(--ink);font-weight:600;}

/* ---------- 分类页 Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--line);
  padding:64px 0 72px;
}
.cat-hero-bg{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:center right;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(96deg, rgba(250,250,247,.97) 0%, rgba(250,250,247,.92) 48%, rgba(250,250,247,.62) 100%);
}
.cat-hero-inner{position:relative;z-index:2;max-width:820px;}
.hero-title{font-weight:800;letter-spacing:-.03em;line-height:1.08;}
.hero-title .h1-brand{
  display:block;
  font-size:14px;
  font-weight:700;
  letter-spacing:.18em;
  color:var(--fog);
  margin-bottom:12px;
}
.hero-title .h1-main{
  display:block;
  font-size:clamp(40px,5.2vw,64px);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.05;
}
.hero-sub{
  margin-top:20px;
  max-width:640px;
  font-size:17px;
  line-height:1.85;
  color:var(--graphite);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-note{
  margin-top:18px;
  font-size:13px;
  color:var(--fog);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}

/* ---------- 筛选 chip ---------- */
.filter-bar{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
  padding:22px 0 0;
}
.filter-label{font-size:13px;color:var(--fog);font-weight:600;letter-spacing:.06em;margin-right:4px;}
.chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 18px;
  border:1px solid var(--line);
  border-radius:var(--radius-p);
  background:#FFFFFF;
  font-size:14px;
  font-weight:600;
  color:var(--graphite);
  transition:background var(--t), color var(--t), border-color var(--t), transform var(--t);
}
.chip:hover{border-color:var(--ink);color:var(--ink);}
.chip.is-active{background:var(--ink);border-color:var(--ink);color:#FFFFFF;}
.chip:active{transform:translateY(1px);}
.chip:focus-visible{outline:3px solid var(--accent-ring);outline-offset:2px;}

/* ---------- 长条目列表 ---------- */
.dl-list{border-top:1px solid var(--line);margin-top:34px;}
.dl-item{
  display:grid;
  grid-template-columns:40% 1fr;
  gap:32px;
  align-items:center;
  padding:30px 0;
  border-bottom:1px solid var(--line);
  transition:background var(--t);
}
.dl-item:hover{background:#FFFFFF;}
.dl-media{
  position:relative;
  overflow:hidden;
  border-radius:12px;
  background:var(--placeholder);
  aspect-ratio:16/10;
}
.dl-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease-out;}
.dl-item:hover .dl-media img{transform:scale(1.03);}
.dl-body{display:flex;flex-direction:column;gap:14px;min-width:0;}
.dl-head{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.dl-title{font-size:22px;font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.dl-text{color:var(--graphite);font-size:15.5px;line-height:1.8;}
.dl-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  font-size:13px;
  color:var(--fog);
}
.dl-meta b{
  color:var(--ink);
  font-weight:700;
  font-variant-numeric:tabular-nums;
  margin-left:6px;
}
.dl-foot{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:4px;
}
.dl-size{font-size:13px;color:var(--fog);}
.dl-size b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- 指标条 ---------- */
.kpi-strip{
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  background:#FFFFFF;
  box-shadow:var(--sh-1);
  display:grid;
  grid-template-columns:repeat(4,1fr);
  overflow:hidden;
}
.kpi{
  padding:32px 28px;
  border-right:1px solid var(--line);
}
.kpi:last-child{border-right:0;}
.kpi-num{
  font-size:clamp(30px,3.2vw,40px);
  font-weight:800;
  letter-spacing:-.03em;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.kpi-num small{font-size:15px;font-weight:700;color:var(--fog);margin-left:4px;letter-spacing:0;}
.kpi-label{margin-top:8px;font-size:13px;color:var(--fog);line-height:1.6;}
.kpi-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:6px;vertical-align:middle;}

/* ---------- 核对清单 ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.check-card{
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:box-shadow var(--t), transform var(--t), border-color var(--t);
}
.check-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--line-2);}
.check-card h3{font-size:19px;font-weight:700;margin-bottom:6px;}
.check-card .check-lead{font-size:14px;color:var(--fog);margin-bottom:16px;}
.rows li{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:18px;
  padding:13px 0;
  border-bottom:1px solid var(--line);
  font-size:14.5px;
}
.rows li:last-child{border-bottom:0;}
.rows .k{color:var(--fog);}
.rows .v{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;text-align:right;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:24px 4px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  line-height:1.6;
  color:var(--ink);
  transition:color var(--t);
}
.faq-q:hover{color:var(--graphite);}
.faq-q:focus-visible{outline:3px solid var(--accent-ring);outline-offset:2px;border-radius:var(--radius-s);}
.faq-icon{
  position:relative;
  flex-shrink:0;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--line-2);
  transition:background var(--t), border-color var(--t), transform var(--t);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  background:var(--ink);
  transform:translate(-50%,-50%);
  transition:opacity var(--t), background var(--t);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;}
.faq-item.is-open .faq-icon{background:var(--accent);border-color:var(--accent);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows 260ms ease-out;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a-inner{overflow:hidden;}
.faq-a-inner p{
  padding:0 4px 26px;
  color:var(--graphite);
  font-size:15.5px;
  line-height:1.9;
  max-width:790px;
}

/* ---------- 相关分类胶囊 ---------- */
.pill-row{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border:1px solid var(--line);
  border-radius:var(--radius-p);
  background:#FFFFFF;
  font-size:14.5px;
  font-weight:600;
  color:var(--graphite);
  transition:border-color var(--t), color var(--t), box-shadow var(--t), transform var(--t);
}
.pill:hover{border-color:var(--ink);color:var(--ink);box-shadow:var(--sh-1);transform:translateY(-2px);}
.pill svg{width:15px;height:15px;}

/* ---------- 深色 CTA ---------- */
.cta-band{
  background:var(--ink);
  color:var(--dark-text);
  border-radius:var(--radius-l);
  padding:64px 56px;
  display:grid;
  grid-template-columns:1fr auto;
  align-items:center;
  gap:40px;
}
.cta-band h2{
  font-size:clamp(26px,3vw,36px);
  font-weight:700;
  line-height:1.2;
  letter-spacing:-.02em;
  color:#FFFFFF;
}
.cta-band p{margin-top:14px;color:#B9BCB4;font-size:15.5px;line-height:1.8;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:transparent;color:#F5F6F3;border-color:#4A4E52;}
.cta-band .btn-ghost:hover{background:#F5F6F3;color:var(--ink);border-color:#F5F6F3;}
.cta-fine{margin-top:22px;font-size:13px;color:#8A8E87;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:var(--dark-text);
  padding:72px 0 28px;
  margin-top:var(--sec-y);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
  border-bottom:1px solid #26282C;
}
.site-footer .brand-text{color:#FFFFFF;}
.site-footer .brand-mark i{background:#5A5F63;}
.site-footer .brand-mark i.hi{background:var(--accent);}
.footer-brand p{
  margin-top:18px;
  font-size:14px;
  line-height:1.85;
  color:#9BA09A;
  max-width:340px;
}
.footer-col h4{
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:#7C817B;
  margin-bottom:18px;
}
.footer-col li{margin-bottom:12px;}
.footer-col a{
  font-size:14.5px;
  color:#D6D9D2;
  transition:color var(--t);
}
.footer-col a:hover{color:var(--accent);text-decoration:underline;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  padding-top:26px;
  font-size:13px;
  color:#7C817B;
}
.foot-links{display:flex;gap:18px;flex-wrap:wrap;}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:38px;
  padding:0 16px;
  border:1px solid #34373B;
  border-radius:var(--radius-p);
  color:#D6D9D2;
  font-size:13px;
  transition:border-color var(--t), color var(--t), background var(--t);
}
.to-top svg{width:14px;height:14px;}
.to-top:hover{border-color:var(--accent);color:var(--accent);}

/* ---------- 动效 ---------- */
[data-reveal]{opacity:0;transform:translateY(12px);transition:opacity 320ms ease-out, transform 320ms ease-out;}
[data-reveal].is-in{opacity:1;transform:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:100%;padding:0 24px;}
}
@media (max-width:1180px){
  .header-inner{flex-wrap:wrap;min-height:auto;padding:14px 0 8px;gap:14px;}
  .brand{order:1;}
  .nav-cta{order:2;margin-left:auto;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;margin-top:12px;}
  .nav-links{order:4;flex:1 1 100%;overflow-x:auto;padding:8px 0 4px;gap:6px;scrollbar-width:none;}
  .nav-links::-webkit-scrollbar{display:none;}
}
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .cat-hero{padding:48px 0 56px;}
  .dl-item{grid-template-columns:1fr;gap:20px;}
  .kpi-strip{grid-template-columns:repeat(2,1fr);}
  .kpi{border-bottom:1px solid var(--line);}
  .kpi:nth-child(2n){border-right:0;}
  .kpi:nth-last-child(-n+2){border-bottom:0;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:48px 40px;}
}
@media (max-width:900px){
  .brand-text{font-size:14px;}
  .brand-sub{font-size:10px;}
  .nav-search{height:46px;}
  .nav-search-btn{height:36px;padding:0 16px;}
  .nav-link{height:36px;font-size:14px;padding:0 12px;}
}
@media (max-width:767px){
  :root{--sec-y:52px;--gap:16px;}
  body{font-size:16px;line-height:1.8;}
  .container{padding:0 20px;}
  .header-inner{padding:12px 0 6px;}
  .brand-mark{width:22px;height:22px;}
  .nav-cta .btn{height:38px;padding:0 16px;font-size:13.5px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .dl-item{padding:22px 0;}
  .dl-title{font-size:19px;}
  .dl-foot{flex-direction:column;align-items:flex-start;gap:14px;}
  .dl-foot .btn{width:100%;}
  .kpi{padding:24px 20px;}
  .check-card{padding:20px;}
  .faq-q{font-size:15.5px;padding:20px 2px;}
  .cta-band{padding:36px 24px;border-radius:var(--radius-m);}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{align-self:flex-start;}
  .filter-bar{gap:8px;}
  .chip{height:38px;padding:0 15px;font-size:13.5px;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{transition:none!important;animation:none!important;}
  [data-reveal]{opacity:1;transform:none;}
}

/* roulang page: category3 */
:root{
  --ink:#0C0D10;
  --graphite:#3A3F45;
  --mist:#7A8087;
  --lime:#C6F53A;
  --orange:#FF6A2C;
  --bg:#FAFAF7;
  --card:#FFFFFF;
  --line:#E7E7E2;
  --ph:#EFEFEA;
  --dark:#0C0D10;
  --dark-text:#F5F6F3;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-p:999px;
  --sh-1:0 1px 2px rgba(12,13,16,.05);
  --sh-2:0 14px 34px -18px rgba(12,13,16,.22);
  --sp-sec:104px;
  --gap:24px;
  --max:1200px;
  --ease:140ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--graphite);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{display:block}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-p);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform var(--ease)}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime)}
.btn-primary:hover{filter:brightness(.94)}
.btn-primary:hover svg{transform:translateX(4px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ghost:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-outline:hover{border-color:var(--ink);box-shadow:var(--sh-1)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--ink);outline-offset:2px;border-radius:4px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--bg);
  border-bottom:1px solid transparent;
  transition:background-color var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.header-inner{
  display:flex;align-items:center;gap:20px;min-height:84px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  display:grid;grid-template-columns:repeat(3,5px);grid-template-rows:repeat(3,5px);gap:3px;
  padding:6px;border:1px solid var(--line);border-radius:10px;background:#fff;
}
.brand-mark i{display:block;width:5px;height:5px;border-radius:1.5px;background:var(--ink)}
.brand-mark i.hi{background:var(--lime)}
.brand-text{display:block;font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.02em;line-height:1.25}
.brand-sub{display:block;font-size:11px;color:var(--mist);letter-spacing:.12em;line-height:1.4}
.nav-search{
  position:relative;flex:1 1 auto;max-width:560px;min-width:220px;
}
.nav-search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--mist);width:18px;height:18px}
.nav-search-icon svg{width:18px;height:18px}
.nav-search input{
  width:100%;height:52px;border-radius:var(--r-p);border:1px solid var(--line);
  background:#fff;padding:0 110px 0 48px;font-size:14.5px;color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search input::placeholder{color:var(--mist)}
.nav-search input:focus{outline:none;border-color:var(--ink);box-shadow:0 0 0 4px rgba(198,245,58,.35)}
.nav-search-btn{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  height:40px;padding:0 20px;border-radius:var(--r-p);border:0;
  background:var(--lime);color:var(--ink);font-size:14px;font-weight:600;cursor:pointer;
  transition:filter var(--ease);
}
.nav-search-btn:hover{filter:brightness(.94)}
.nav-links{display:flex;align-items:center;gap:4px;flex-shrink:0}
.nav-link{
  display:inline-flex;align-items:center;height:40px;padding:0 12px;border-radius:var(--r-p);
  font-size:14px;font-weight:500;color:var(--graphite);
  transition:color var(--ease),background-color var(--ease);
}
.nav-link:hover{color:var(--ink);background:#F2F2ED}
.nav-link.is-active{color:var(--ink);font-weight:700;background:#F2F2ED;box-shadow:inset 0 0 0 1px var(--line)}
.nav-cta{flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-color:#F4F4EF;
  background-image:linear-gradient(rgba(12,13,16,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(12,13,16,.045) 1px,transparent 1px);
  background-size:56px 56px;
  border-bottom:1px solid var(--line);
}
.page-hero-inner{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  padding:76px 0 84px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-p);
  border:1px solid var(--orange);background:rgba(255,106,44,.08);
  font-size:12.5px;font-weight:600;color:#B23F10;letter-spacing:.02em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);display:block}
.page-hero h1{
  font-size:clamp(38px,4.6vw,56px);line-height:1.1;font-weight:800;letter-spacing:-.03em;
  margin:18px 0 16px;
}
.page-hero .lead{font-size:16.5px;color:var(--graphite);max-width:56ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.hero-meta div span{display:block;font-size:12.5px;color:var(--mist);letter-spacing:.04em}
.hero-meta div strong{display:block;font-size:22px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-l);
  background:var(--ph);box-shadow:var(--sh-2);
}
.float-card{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:10px;
}
.float-card .dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex-shrink:0}
.float-card b{display:block;font-size:15px;font-weight:800;color:var(--ink);letter-spacing:-.01em}
.float-card em{display:block;font-style:normal;font-size:11.5px;color:var(--mist)}
.float-card.fc-1{left:-18px;bottom:34px}
.float-card.fc-2{right:-12px;top:28px}

/* ---------- KPI 条 ---------- */
.kpi-band{border-bottom:1px solid var(--line);background:#fff}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.kpi{padding:32px 24px;border-right:1px solid var(--line)}
.kpi:last-child{border-right:0}
.kpi strong{display:block;font-size:clamp(28px,3vw,40px);font-weight:800;color:var(--ink);letter-spacing:-.03em;line-height:1.1}
.kpi span{display:block;font-size:13px;color:var(--mist);margin-top:6px}

/* ---------- 区块通用 ---------- */
.section{padding:var(--sp-sec) 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);letter-spacing:-.025em;line-height:1.15;margin-bottom:14px}
.section-head p{color:var(--mist);font-size:16px}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 时间轴布局 ---------- */
.version-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:48px;align-items:start}
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;background:var(--line);
}
.tl-item{
  position:relative;display:grid;grid-template-columns:24px 132px minmax(0,1fr);
  gap:20px;padding:0 0 40px 0;
}
.tl-item:last-child{padding-bottom:0}
.tl-marker{position:relative;padding-top:6px}
.tl-dot{
  display:block;width:12px;height:12px;border-radius:50%;background:var(--lime);
  border:3px solid #fff;box-shadow:0 0 0 2px var(--lime);margin-left:6px;
}
.tl-item.is-latest .tl-dot{background:var(--orange);box-shadow:0 0 0 2px var(--orange)}
.tl-date strong{
  display:block;font-size:30px;font-weight:800;color:var(--ink);letter-spacing:-.04em;line-height:1.05;
}
.tl-date span{display:block;font-size:12.5px;color:var(--mist);margin-top:4px;letter-spacing:.02em}
.tl-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px 24px;box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.tl-body:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:#D6D6D0}
.tl-top{display:flex flex-wrap;display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-p);
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.02em;
}
.badge-official{border:1px solid var(--orange);color:#B23F10;background:rgba(255,106,44,.07)}
.badge-new{border:1px solid var(--line);color:var(--graphite);background:#F4F4EF}
.badge-platform{border:1px solid var(--ink);color:var(--ink);background:#fff}
.tl-body h3{font-size:19px;line-height:1.35;margin-bottom:10px}
.tl-list{display:grid;gap:8px}
.tl-list li{position:relative;padding-left:18px;font-size:15px;color:var(--graphite)}
.tl-list li::before{
  content:"";position:absolute;left:0;top:.82em;width:10px;height:2px;background:var(--lime);
}
.tl-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:600;color:var(--ink)}
.tl-more svg{width:14px;height:14px;transition:transform var(--ease)}
.tl-more:hover svg{transform:translateX(4px)}

/* ---------- 粘性版本要求卡 ---------- */
.side-stick{position:sticky;top:96px;display:grid;gap:20px}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-m);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:17px;margin-bottom:6px}
.side-card .sub{font-size:13px;color:var(--mist);margin-bottom:14px}
.kv{display:grid}
.kv-row{display:flex;justify-content:space-between;gap:12px;padding:11px 0;border-bottom:1px solid var(--line);font-size:14px}
.kv-row:last-child{border-bottom:0}
.kv-row dt{color:var(--mist)}
.kv-row dd{margin:0;color:var(--ink);font-weight:600;text-align:right}
.side-note{margin-top:14px;font-size:12.5px;color:var(--mist);line-height:1.7}
.side-dark{
  background:var(--dark);color:var(--dark-text);border-radius:var(--r-m);padding:22px;
}
.side-dark h3{color:#fff;font-size:17px;margin-bottom:8px}
.side-dark p{font-size:13.5px;color:rgba(245,246,243,.72);margin-bottom:16px}
.side-dark .btn{width:100%}

/* ---------- 兼容性清单 ---------- */
.check-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.check-list{display:grid;gap:14px;margin-top:26px}
.check-item{
  display:flex;gap:14px;padding:18px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-m);box-shadow:var(--sh-1);
  transition:box-shadow var(--ease),transform var(--ease);
}
.check-item:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.check-item .idx{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;background:#F4F4EF;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:var(--ink);
}
.check-item h4{font-size:15.5px;margin-bottom:2px}
.check-item p{font-size:14px;color:var(--mist)}
.check-fig img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-l);background:var(--ph);box-shadow:var(--sh-2)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--r-m);background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease)}
.faq-item:hover{border-color:#D6D6D0}
.faq-item.is-open{box-shadow:var(--sh-2);border-color:#D6D6D0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;background:transparent;border:0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;position:relative;background:#fff;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--ink);transition:transform var(--ease),opacity var(--ease)}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px}
.faq-item.is-open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-item.is-open .faq-icon{background:var(--lime);border-color:var(--lime)}
.faq-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows 260ms ease-out}
.faq-item.is-open .faq-panel{grid-template-rows:1fr}
.faq-panel>div{overflow:hidden}
.faq-a{padding:0 22px 20px;font-size:15.5px;color:var(--graphite);max-width:70ch}

/* ---------- 相关分类胶囊 ---------- */
.rel-chips{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:8px}
.chip{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-p);
  border:1px solid var(--line);background:#fff;font-size:14.5px;font-weight:600;color:var(--ink);
  transition:border-color var(--ease),box-shadow var(--ease),transform var(--ease),background-color var(--ease);
}
.chip:hover{border-color:var(--ink);box-shadow:var(--sh-1);transform:translateY(-2px)}
.chip.is-current{background:var(--ink);color:#fff;border-color:var(--ink)}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:block}

/* ---------- 深色 CTA ---------- */
.cta-band{background:var(--dark);color:var(--dark-text);padding:88px 0}
.cta-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.cta-band h2{color:#fff;font-size:clamp(26px,3.2vw,38px);letter-spacing:-.025em;line-height:1.16;margin-bottom:14px}
.cta-band p{color:rgba(245,246,243,.72);font-size:16px;max-width:60ch}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}
.cta-note{margin-top:22px;font-size:13px;color:rgba(245,246,243,.55)}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(245,246,243,.4)}
.btn-on-dark:hover{background:#fff;color:var(--ink);border-color:#fff}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:var(--dark-text);padding:76px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-text{color:#fff}
.footer-brand .brand-mark{background:transparent;border-color:rgba(245,246,243,.22)}
.footer-brand .brand-mark i{background:#fff}
.footer-brand .brand-mark i.hi{background:var(--lime)}
.footer-brand p{font-size:14px;color:rgba(245,246,243,.62);margin-top:16px;max-width:38ch;line-height:1.8}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(245,246,243,.68);transition:color var(--ease)}
.footer-col a:hover{color:var(--lime);text-decoration:underline}
.footer-bottom{
  margin-top:56px;padding-top:22px;border-top:1px solid rgba(245,246,243,.14);
  display:flex;flex-wrap:wrap;align-items:center;gap:16px;justify-content:space-between;
}
.footer-bottom p,.foot-links span{font-size:13px;color:rgba(245,246,243,.5)}
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;color:#fff;
  border:1px solid rgba(245,246,243,.28);border-radius:var(--r-p);height:38px;padding:0 16px;
  transition:border-color var(--ease),color var(--ease),background-color var(--ease);
}
.to-top svg{width:14px;height:14px}
.to-top:hover{border-color:var(--lime);color:var(--lime)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 320ms ease-out,transform 320ms ease-out}
.reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sp-sec:88px;--max:1120px}
  .page-hero-inner{gap:40px}
}
@media (max-width:1023px){
  :root{--sp-sec:72px}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .header-inner{flex-wrap:wrap;padding:14px 0;gap:14px;min-height:0}
  .nav-search{order:3;flex:1 1 100%;max-width:none;min-width:0}
  .nav-cta{margin-left:auto}
  .page-hero-inner{grid-template-columns:1fr;padding:56px 0 64px}
  .float-card.fc-1{left:12px;bottom:16px}
  .float-card.fc-2{right:12px;top:16px}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .kpi{border-bottom:1px solid var(--line)}
  .kpi:nth-child(2n){border-right:0}
  .kpi:nth-last-child(-n+2){border-bottom:0}
  .version-layout{grid-template-columns:1fr;gap:36px}
  .side-stick{position:static}
  .check-grid{grid-template-columns:1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  :root{--sp-sec:52px}
  body{font-size:16px}
  .container{padding:0 20px}
  .brand-text{font-size:14px}
  .brand-sub{display:none}
  .nav-search input{height:46px;padding-right:96px;font-size:14px}
  .nav-search-btn{height:36px;padding:0 16px;font-size:13.5px}
  .nav-cta .btn{display:none}
  .page-hero h1{font-size:clamp(30px,8vw,40px)}
  .hero-actions .btn{flex:1 1 auto}
  .tl-item{grid-template-columns:24px minmax(0,1fr);grid-template-areas:"marker date" ". body";gap:8px 14px;padding-bottom:32px}
  .tl-marker{grid-area:marker}
  .tl-date{grid-area:date;display:flex;align-items:baseline;gap:10px}
  .tl-date strong{font-size:24px}
  .tl-date span{margin-top:0}
  .tl-body{grid-area:body;padding:18px 20px}
  .kpi{padding:24px 18px}
  .kpi strong{font-size:26px}
  .faq-q{font-size:15.5px;padding:17px 18px}
  .faq-a{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .cta-band{padding:60px 0}
}
@media (max-width:519px){
  .float-card{display:none}
  .chip{height:40px;padding:0 16px;font-size:14px}
  .hero-meta{gap:18px}
}

/* roulang page: category4 */
:root{
  --ink:#0C0D10;
  --ink-2:#3A3F45;
  --mist:#7A8087;
  --lime:#C6F53A;
  --orange:#FF6A2C;
  --bg:#FAFAF7;
  --card:#FFFFFF;
  --line:#E7E7E2;
  --ph:#EFEFEA;
  --dark-text:#F5F6F3;
  --danger:#E5484D;
  --ok-bg:#EEF9EF;
  --ok-line:#BFE3C6;
  --ok-text:#25603A;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-p:999px;
  --sh-1:0 1px 2px rgba(12,13,16,.05);
  --sh-2:0 14px 34px -18px rgba(12,13,16,.22);
  --max:1200px;
  --ease:140ms ease-out;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(40px,5.2vw,64px);line-height:1.08;font-weight:800;letter-spacing:-.03em;}
h2{font-size:clamp(28px,3.4vw,40px);line-height:1.15;font-weight:700;letter-spacing:-.02em;}
h3{font-size:22px;line-height:1.3;font-weight:700;}
::selection{background:var(--lime);color:var(--ink);}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 24px;}
.section{padding:clamp(52px,8vw,104px) 0;}
.section-tight{padding:clamp(36px,5vw,64px) 0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--mist);
  text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--lime);border-radius:2px;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{margin:14px 0 14px;}
.section-head p{color:var(--graphite);font-size:16.5px;line-height:1.85;}
.muted{color:var(--mist);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-p);
  font-size:15.5px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;transition:transform var(--ease),background-color var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;transition:transform var(--ease);}
.btn-primary{background:var(--lime);color:var(--ink);border-color:var(--lime);}
.btn-primary:hover{filter:brightness(.94);}
.btn-primary:hover svg{transform:translateX(4px);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-light{background:#fff;color:var(--ink);border-color:#fff;}
.btn-light:hover{background:var(--lime);border-color:var(--lime);}
.btn-outline-light{background:transparent;color:var(--dark-text);border-color:rgba(245,246,243,.42);}
.btn-outline-light:hover{border-color:var(--lime);color:var(--lime);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn.is-disabled{opacity:.45;pointer-events:none;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;
  border-bottom:1px solid var(--line);padding-bottom:2px;transition:border-color var(--ease),color var(--ease);
}
.text-link:hover{border-color:var(--ink);}
.text-link svg{width:15px;height:15px;}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-p);
  font-size:12px;font-weight:600;letter-spacing:.02em;border:1px solid var(--ink);color:var(--ink);background:#fff;
}
.badge-official{border-color:var(--orange);color:#B33F13;background:#FFF3EC;}
.badge-new{border-color:var(--orange);color:#B33F13;background:#FFF3EC;}
.badge-soft{border-color:var(--line);color:var(--graphite);background:#fff;}

/* 页头 */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--bg);
  border-bottom:1px solid transparent;transition:box-shadow var(--ease),border-color var(--ease),background-color var(--ease);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:var(--sh-1);}
.header-inner{
  display:grid;grid-template-columns:auto minmax(260px,1fr) auto auto;
  align-items:center;gap:20px;padding:14px 0;
}
.brand{display:inline-flex;align-items:center;gap:11px;flex:none;}
.brand-mark{
  width:34px;height:34px;flex:none;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(3,1fr);
  gap:2.5px;padding:3px;border-radius:9px;background:var(--ink);
}
.brand-mark i{background:#fff;border-radius:1.5px;opacity:.55;}
.brand-mark i.hi{background:var(--lime);opacity:1;}
.brand-text{display:block;font-size:16px;font-weight:800;letter-spacing:-.01em;line-height:1.2;white-space:nowrap;}
.brand-sub{display:block;font-size:11.5px;color:var(--mist);letter-spacing:.06em;line-height:1.4;}
.nav-search{
  position:relative;display:flex;align-items:center;
  height:52px;border:1px solid var(--line);border-radius:var(--r-p);background:#fff;
  padding-left:46px;padding-right:5px;transition:border-color var(--ease),box-shadow var(--ease);
}
.nav-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 4px rgba(198,245,58,.35);}
.nav-search-icon{position:absolute;left:17px;top:50%;transform:translateY(-50%);width:19px;height:19px;color:var(--mist);}
.nav-search-icon svg{width:100%;height:100%;}
.nav-search input{
  flex:1;min-width:0;height:100%;border:0;background:transparent;font-size:15px;outline:none;
}
.nav-search input::placeholder{color:var(--mist);}
.nav-search-btn{
  height:42px;padding:0 20px;border-radius:var(--r-p);background:var(--lime);color:var(--ink);
  font-size:14.5px;font-weight:600;transition:filter var(--ease);
}
.nav-search-btn:hover{filter:brightness(.94);}
.nav-links{display:flex;align-items:center;gap:2px;}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 12px;border-radius:var(--r-p);
  font-size:14px;font-weight:600;color:var(--ink-2);transition:background-color var(--ease),color var(--ease);
}
.nav-link:hover{background:#F1F1EC;color:var(--ink);}
.nav-link.is-active{background:var(--ink);color:#fff;}
.nav-cta{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}

/* 面包屑 */
.crumb{padding:24px 0 0;}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--mist);}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li+li::before{content:"›";color:var(--line);}
.crumb a:hover{color:var(--ink);}
.crumb .current{color:var(--ink-2);font-weight:600;}

/* Hero */
.hero{padding:40px 0 clamp(40px,6vw,72px);position:relative;overflow:hidden;}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:48px;align-items:center;
}
.hero h1{margin:18px 0 20px;max-width:16em;}
.hero-lead{font-size:18px;color:var(--graphite);max-width:38em;line-height:1.85;}
.hero-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px;}
.hero-search{
  position:relative;display:flex;align-items:center;margin-top:30px;max-width:620px;
  height:56px;background:#fff;border:1px solid var(--line);border-radius:var(--r-p);padding-left:48px;padding-right:5px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.hero-search:focus-within{border-color:var(--ink);box-shadow:0 0 0 4px rgba(198,245,58,.35);}
.hero-search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);width:20px;height:20px;color:var(--mist);}
.hero-search-icon svg{width:100%;height:100%;}
.hero-search input{flex:1;min-width:0;height:100%;border:0;background:transparent;font-size:15.5px;outline:none;}
.hero-search input::placeholder{color:var(--mist);}
.hero-search button{height:46px;padding:0 22px;border-radius:var(--r-p);background:var(--lime);font-size:15px;font-weight:600;transition:filter var(--ease);}
.hero-search button:hover{filter:brightness(.94);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-l);background:var(--ph);box-shadow:var(--sh-2);
}
.hero-figure .float-card{
  position:absolute;background:#fff;border:1px solid var(--line);border-radius:var(--r-m);
  padding:12px 16px;box-shadow:var(--sh-2);font-size:12.5px;color:var(--mist);line-height:1.5;
}
.hero-figure .float-card strong{display:block;font-size:20px;font-weight:800;color:var(--ink);letter-spacing:-.01em;line-height:1.3;}
.hero-figure .float-card.f1{left:-18px;bottom:26px;display:flex;align-items:center;gap:10px;}
.hero-figure .float-card.f2{right:-10px;top:22px;}
.dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:none;}

/* 快速入口卡 */
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.qcard{
  background:var(--card);border:1px solid var(--line);border-radius:16px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.qcard:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8D8D2;}
.qcard img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--ph);}
.qcard-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.qcard-body h3{font-size:19px;}
.qcard-body p{font-size:15px;color:var(--graphite);line-height:1.8;}
.qcard-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;padding-top:8px;}
.qcard-foot .count{font-size:13px;color:var(--mist);}
.arrow-btn{
  width:34px;height:34px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);
  transition:background-color var(--ease),border-color var(--ease),transform var(--ease);
}
.arrow-btn svg{width:15px;height:15px;}
.qcard:hover .arrow-btn{background:var(--lime);border-color:var(--lime);transform:translateX(3px);}

/* FAQ 分组 */
.faq-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.faq-group{
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:6px 24px 12px;
  box-shadow:var(--sh-1);
}
.faq-group-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:20px 0 14px;border-bottom:1px solid var(--line);}
.faq-group-head h3{font-size:19px;display:flex;align-items:center;gap:10px;}
.faq-group-head .num{
  font-size:13px;font-weight:700;color:var(--ink);background:var(--ph);border-radius:var(--r-p);
  min-width:32px;height:24px;display:inline-flex;align-items:center;justify-content:center;padding:0 9px;
}
.acc-item{border-bottom:1px solid var(--line);}
.acc-item:last-child{border-bottom:0;}
.acc-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:17px 0;font-size:16px;font-weight:600;line-height:1.6;color:var(--ink);
  transition:color var(--ease);
}
.acc-item summary::-webkit-details-marker{display:none;}
.acc-item summary:hover{color:#000;}
.acc-icon{
  flex:none;width:26px;height:26px;margin-top:2px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;transition:transform var(--ease),background-color var(--ease),border-color var(--ease);
}
.acc-icon svg{width:13px;height:13px;}
.acc-item[open] .acc-icon{background:var(--lime);border-color:var(--lime);transform:rotate(45deg);}
.acc-body{padding:0 34px 18px 0;font-size:15.5px;color:var(--graphite);line-height:1.85;}
.acc-body p+p{margin-top:10px;}
.acc-body strong{color:var(--ink);font-weight:600;}

/* 反馈表单 */
.feedback-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.62fr);gap:32px;align-items:start;
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-l);box-shadow:var(--sh-1);
}
.form-card{padding:32px;}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.field{margin-bottom:0;display:flex;flex-direction:column;}
.field.full{grid-column:1/-1;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--ink-2);margin-bottom:8px;}
.field .req{color:var(--orange);}
.field input,.field select,.field textarea{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:#fff;
  outline:none;font-size:15px;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea{height:auto;min-height:130px;padding:12px 14px;line-height:1.75;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--ink);box-shadow:0 0 0 4px rgba(198,245,58,.35);}
.field .err-msg{display:none;margin-top:7px;font-size:13px;color:var(--danger);}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--danger);box-shadow:none;}
.field.has-error .err-msg{display:block;}
.form-note{font-size:13.5px;color:var(--mist);margin-top:14px;line-height:1.7;}
.form-success{
  display:none;margin-bottom:20px;padding:14px 16px;border-radius:12px;
  background:var(--ok-bg);border:1px solid var(--ok-line);color:var(--ok-text);font-size:14.5px;
}
.form-success.is-visible{display:block;}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:24px;}
.side-card{padding:26px;display:flex;flex-direction:column;gap:18px;}
.side-card h3{font-size:19px;}
.side-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14.5px;color:var(--graphite);}
.side-list li:last-child{border-bottom:0;}
.side-list .k{
  flex:none;width:56px;font-size:13px;font-weight:700;color:var(--ink);letter-spacing:.02em;
}
.kpi-row{display:flex;gap:26px;flex-wrap:wrap;}
.kpi strong{display:block;font-size:30px;font-weight:800;letter-spacing:-.02em;line-height:1.2;}
.kpi span{font-size:13px;color:var(--mist);}

/* 相关分类胶囊 */
.pill-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.pill{
  display:inline-flex;align-items:center;gap:8px;height:44px;padding:0 20px;border-radius:var(--r-p);
  background:#fff;border:1px solid var(--line);font-size:15px;font-weight:600;
  transition:border-color var(--ease),background-color var(--ease),transform var(--ease);
}
.pill:hover{border-color:var(--ink);transform:translateY(-2px);}
.pill.is-current{background:var(--ink);color:#fff;border-color:var(--ink);}
.pill.is-current:hover{transform:none;}
.pill .dot{width:6px;height:6px;}

/* 深色 CTA */
.cta-band{background:var(--ink);color:var(--dark-text);padding:clamp(56px,7vw,96px) 0;}
.cta-inner{display:grid;grid-template-columns:minmax(0,1.35fr) auto;gap:40px;align-items:center;}
.cta-band h2{color:#fff;margin-bottom:16px;}
.cta-band p{color:rgba(245,246,243,.72);font-size:16.5px;max-width:44em;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-foot{grid-column:1/-1;font-size:13px;color:rgba(245,246,243,.5);border-top:1px solid rgba(245,246,243,.14);padding-top:20px;margin-top:8px;}

/* 页脚 */
.site-footer{background:var(--ink);color:var(--dark-text);padding:72px 0 32px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .brand-mark{background:#1A1B1F;}
.footer-brand .brand-mark i{background:var(--dark-text);}
.footer-brand .brand-mark i.hi{background:var(--lime);}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:rgba(245,246,243,.66);max-width:34em;}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.06em;color:#fff;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:rgba(245,246,243,.7);transition:color var(--ease);}
.footer-col a:hover{color:var(--lime);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(245,246,243,.14);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
}
.footer-bottom p,.foot-links span{font-size:13px;color:rgba(245,246,243,.5);}
.to-top{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--r-p);
  border:1px solid rgba(245,246,243,.24);font-size:13.5px;color:rgba(245,246,243,.8);
  transition:border-color var(--ease),color var(--ease);
}
.to-top:hover{border-color:var(--lime);color:var(--lime);}
.to-top svg{width:14px;height:14px;}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 320ms ease-out,transform 320ms ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1279px){
  .header-inner{gap:14px;}
  .nav-link{padding:0 10px;font-size:13.5px;}
}
@media (max-width:1023px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure{max-width:560px;}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .faq-groups{grid-template-columns:1fr;}
  .feedback-wrap{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-inner{grid-template-columns:1fr;}
}
@media (max-width:899px){
  .header-inner{
    grid-template-columns:1fr auto;
    grid-template-areas:
      "brand toggle"
      "search search"
      "nav nav";
    gap:12px;padding:12px 0 14px;
  }
  .brand{grid-area:brand;}
  .nav-search{grid-area:search;height:46px;max-width:none;}
  .nav-toggle{grid-area:toggle;display:inline-flex;}
  .nav-cta{display:none;}
  .nav-links{
    grid-area:nav;display:none;flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;
    scrollbar-width:thin;
  }
  .nav-links.is-open{display:flex;}
  .nav-link{flex:none;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 20px;}
  .quick-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .faq-group{padding:4px 20px 10px;}
  .acc-body{padding-right:0;}
  .hero{padding-top:24px;}
  .hero-search{height:50px;}
  .hero-figure .float-card.f1{left:8px;bottom:12px;}
  .hero-figure .float-card.f2{right:8px;top:12px;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .cta-actions .btn,.form-actions .btn{width:100%;}
  .pill{width:100%;justify-content:center;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
}