/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --acid:#C8FF2E;
  --acid-dark:#9BD400;
  --acid-text:#6E9A00;
  --orange:#FF5A2B;
  --ink:#0E0F11;
  --graphite:#1A1C1F;
  --mist:#6B6F76;
  --line:#E6E6E2;
  --line-strong:#D2D2C9;
  --paper:#FAF9F6;
  --white:#FFFFFF;
  --success:#2FA36B;
  --error:#E0413A;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(14,15,17,.06);
  --sh-2:0 12px 32px rgba(14,15,17,.10);
  --maxw:1240px;
  --gutter:24px;
  --sec:120px;
}
@media (max-width:1279px){ :root{ --sec:96px; } }
@media (max-width:1023px){ :root{ --sec:72px; } }
@media (max-width:767px){ :root{ --sec:56px; --gutter:20px; } }

/* ============ 基础 reset ============ */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background-color:var(--paper);
  background-image:
    linear-gradient(rgba(14,15,17,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14,15,17,.035) 1px, transparent 1px);
  background-size:28px 28px;
  overflow-x:hidden;
}
body.nav-open{ overflow:hidden; }
img{ max-width:100%; display:block; border-style:none; }
a{ color:inherit; text-decoration:none; }
ul,ol{ margin:0; padding:0; list-style:none; }
button,input,select,textarea{ font:inherit; color:inherit; }
button{ background:none; border:none; cursor:pointer; }
h1,h2,h3,h4,p{ margin:0; }
:focus-visible{ outline:2px solid var(--acid-dark); outline-offset:2px; border-radius:4px; }
::selection{ background:var(--acid); color:var(--ink); }

/* ============ 容器与通用 ============ */
.container{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 var(--gutter); }
.section{ padding:var(--sec) 0; }
.section--dark{
  background:var(--ink);
  color:var(--white);
  background-image:
    linear-gradient(rgba(200,255,46,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,255,46,.045) 1px, transparent 1px);
  background-size:32px 32px;
}
.section__head{ margin-bottom:48px; max-width:760px; }
.section__head--center{ margin-left:auto; margin-right:auto; text-align:center; }
.section__num{
  display:inline-block;
  font-size:13px;
  font-weight:800;
  letter-spacing:.18em;
  color:var(--acid-text);
  border:1px solid var(--line-strong);
  border-radius:var(--r-chip);
  padding:4px 12px;
  margin-bottom:16px;
  background:var(--white);
  font-variant-numeric:tabular-nums;
}
.section--dark .section__num{ color:var(--acid); border-color:rgba(200,255,46,.35); background:transparent; }
h2.section__title{
  font-size:clamp(28px,3.4vw,44px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
  position:relative;
  padding-left:18px;
}
h2.section__title::before{
  content:"";
  position:absolute;
  left:0; top:.16em; bottom:.16em;
  width:8px;
  border-radius:3px;
  background:var(--acid);
}
.section__desc{ margin-top:14px; color:var(--mist); font-size:16px; line-height:1.8; }
.section--dark .section__desc{ color:rgba(255,255,255,.66); }

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:transform .22s ease, background-color .22s ease, color .22s ease, box-shadow .22s ease, border-color .22s ease;
  white-space:nowrap;
}
.btn--lg{ height:52px; padding:0 30px; font-size:16px; }
.btn--block{ width:100%; }
.btn--primary{ background:var(--acid); color:var(--ink); }
.btn--primary:hover{ background:var(--acid-dark); transform:translateY(-2px); box-shadow:var(--sh-2); }
.btn--primary:active{ transform:translateY(0); box-shadow:var(--sh-1); }
.btn--outline{ border-color:var(--ink); color:var(--ink); background:transparent; }
.btn--outline:hover{ background:var(--ink); color:var(--white); transform:translateY(-2px); }
.btn--outline:active{ transform:translateY(0); }
.btn--ghost{ border-color:rgba(255,255,255,.55); color:var(--white); background:transparent; }
.btn--ghost:hover{ background:var(--white); color:var(--ink); transform:translateY(-2px); }
.btn[disabled]{ opacity:.4; pointer-events:none; }

/* ============ 公告条 ============ */
.announce{
  height:36px;
  background:var(--ink);
  color:rgba(255,255,255,.9);
  font-size:13px;
  display:flex;
  align-items:center;
  position:relative;
  z-index:60;
}
.announce.is-hidden{ display:none; }
.announce__inner{ display:flex; align-items:center; gap:10px; height:36px; }
.announce__dot{
  width:7px; height:7px; border-radius:50%;
  background:var(--orange);
  flex:0 0 auto;
  animation:pulse 1.8s infinite ease-in-out;
}
@keyframes pulse{ 0%,100%{ opacity:1; } 50%{ opacity:.28; } }
.announce p{ flex:1; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.announce__close{
  width:24px; height:24px; border-radius:6px;
  color:rgba(255,255,255,.6);
  font-size:16px; line-height:1;
  display:flex; align-items:center; justify-content:center;
  transition:background-color .2s ease,color .2s ease;
}
.announce__close:hover{ background:rgba(255,255,255,.12); color:var(--white); }

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:height .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 2px 14px rgba(14,15,17,.05);
}
.header__inner{
  height:70px;
  display:flex;
  align-items:center;
  gap:24px;
  transition:height .25s ease;
}
.site-header.is-scrolled .header__inner{ height:56px; }
.logo{
  display:flex;
  align-items:baseline;
  gap:6px;
  font-size:19px;
  font-weight:900;
  letter-spacing:-.01em;
  flex:0 0 auto;
}
.logo span{
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--mist);
}
.logo::before{
  content:"";
  width:12px; height:12px;
  border-radius:3px;
  background:var(--acid);
  border:1.5px solid var(--ink);
  display:inline-block;
  transform:translateY(-1px);
}
.nav{
  flex:1;
  display:flex;
  align-items:center;
  gap:4px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-chip);
  padding:4px;
  margin-left:24px;
  max-width:max-content;
}
.chip{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 18px;
  border-radius:var(--r-chip);
  font-size:14.5px;
  font-weight:600;
  color:var(--mist);
  transition:color .2s ease, background-color .2s ease;
  white-space:nowrap;
}
.chip:hover{ color:var(--ink); background:rgba(200,255,46,.22); }
.chip.is-active{ background:var(--acid); color:var(--ink); font-weight:800; }
.chip.is-active::after{
  content:"";
  position:absolute;
  left:18px; right:18px; bottom:5px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transform-origin:left center;
  animation:sweep .32s ease-out both;
}
@keyframes sweep{ from{ transform:scaleX(0); } to{ transform:scaleX(1); } }
.header__cta{ margin-left:32px; flex:0 0 auto; }
.burger{
  display:none;
  width:44px; height:44px;
  border-radius:10px;
  border:1px solid var(--line);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  flex:0 0 auto;
}
.burger span{
  display:block;
  width:18px; height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .25s ease, opacity .25s ease;
}
.burger.is-open span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
.burger.is-open span:nth-child(2){ opacity:0; }
.burger.is-open span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }
.drawer{
  display:none;
  border-top:1px solid var(--line);
  background:var(--paper);
  padding:16px var(--gutter) 24px;
}
.drawer.is-open{ display:block; }
.drawer__nav{ display:flex; flex-direction:column; gap:8px; margin-bottom:16px; }
.drawer__nav .chip{
  height:46px;
  justify-content:flex-start;
  border:1px solid var(--line);
  background:var(--white);
  border-radius:var(--r-btn);
  padding:0 16px;
  font-size:15px;
}
.drawer__nav .chip.is-active{ background:var(--acid); border-color:var(--acid); }
@media (max-width:1023px){
  .nav{ display:none; }
  .header__cta{ display:none; }
  .burger{ display:flex; margin-left:auto; }
}

/* ============ Hero ============ */
.hero{ position:relative; background:var(--ink); color:var(--white); overflow:hidden; }
.hero__bg{
  position:absolute; inset:0;
  background-image:linear-gradient(rgba(14,15,17,.62), rgba(14,15,17,.82)), url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
.hero__bg::after{
  content:"";
  position:absolute; inset:0;
  background-image:
    linear-gradient(rgba(200,255,46,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,255,46,.05) 1px, transparent 1px);
  background-size:36px 36px;
}
.hero__inner{
  position:relative;
  z-index:2;
  padding:104px 0 72px;
  max-width:820px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--acid);
  border:1px solid rgba(200,255,46,.4);
  border-radius:var(--r-chip);
  padding:6px 14px;
  margin-bottom:24px;
}
.hero h1{
  font-size:clamp(40px,7vw,88px);
  font-weight:900;
  line-height:1.05;
  letter-spacing:-.02em;
  margin-bottom:22px;
}
.hero h1 em{
  font-style:normal;
  color:var(--acid);
}
.hero__sub{
  font-size:clamp(16px,1.5vw,18px);
  line-height:1.8;
  color:rgba(255,255,255,.82);
  max-width:620px;
  margin-bottom:32px;
}
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; margin-bottom:36px; }
.hero__trust{
  display:flex;
  flex-wrap:wrap;
  gap:0;
  border-top:1px dashed rgba(255,255,255,.28);
  padding-top:18px;
}
.hero__trust li{
  font-size:14px;
  color:rgba(255,255,255,.72);
  padding-right:22px;
  margin-right:22px;
  border-right:1px dashed rgba(255,255,255,.28);
  line-height:1.4;
}
.hero__trust li:last-child{ border-right:none; margin-right:0; padding-right:0; }
.hero__stats{
  position:relative;
  z-index:2;
  border-top:1px solid rgba(255,255,255,.16);
  background:rgba(14,15,17,.72);
}
.stats__grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat{
  padding:26px 24px;
  border-right:1px solid rgba(255,255,255,.12);
}
.stat:first-child{ padding-left:0; }
.stat:last-child{ border-right:none; }
.stat strong{
  display:block;
  font-size:clamp(26px,3vw,38px);
  font-weight:800;
  letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
  color:var(--acid);
  line-height:1.1;
}
.stat span{
  display:block;
  margin-top:6px;
  font-size:13.5px;
  color:rgba(255,255,255,.66);
  letter-spacing:.02em;
}

/* ============ 优惠阶梯 ============ */
.ladder{ position:relative; margin-top:8px; }
.ladder::before{
  content:"";
  position:absolute;
  left:34px; top:12px; bottom:12px;
  width:0;
  border-left:2px dashed var(--acid-dark);
  opacity:.65;
}
.ladder__item{
  position:relative;
  display:grid;
  grid-template-columns:68px 1fr auto;
  align-items:center;
  gap:22px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px 26px;
  margin-bottom:18px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.ladder__item:hover{ transform:translateY(-2px); box-shadow:var(--sh-2); border-color:var(--line-strong); }
.ladder__item:nth-child(even){ margin-left:48px; }
.ladder__no{
  width:52px; height:52px;
  border-radius:12px;
  background:var(--ink);
  color:var(--acid);
  font-size:20px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}
.ladder__item.is-done .ladder__no{ background:var(--acid); color:var(--ink); }
.ladder__body h3{ font-size:21px; font-weight:700; line-height:1.35; margin-bottom:6px; }
.ladder__body p{ font-size:14.5px; color:var(--mist); line-height:1.7; }
.ladder__cond{
  display:inline-block;
  margin-top:10px;
  font-size:13px;
  color:var(--ink);
  background:rgba(200,255,46,.28);
  border-radius:var(--r-chip);
  padding:4px 12px;
  font-weight:600;
}
.badge{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 14px;
  border-radius:var(--r-chip);
  font-size:13px;
  font-weight:700;
  border:1px solid var(--line-strong);
  color:var(--mist);
  background:var(--paper);
  white-space:nowrap;
}
.badge--ready{ background:var(--acid); border-color:var(--acid-dark); color:var(--ink); }
.badge--done{ background:var(--ink); border-color:var(--ink); color:var(--white); }
.badge--wait{ border-style:dashed; }

/* ============ 套餐对比 ============ */
.section--alt{
  background:var(--white);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.table-wrap{
  overflow-x:auto;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--white);
  box-shadow:var(--sh-1);
  -webkit-overflow-scrolling:touch;
}
.plan-table{
  width:100%;
  min-width:760px;
  border-collapse:collapse;
  font-size:15px;
}
.plan-table th,
.plan-table td{
  padding:0 22px;
  height:56px;
  text-align:left;
  border-bottom:1px solid var(--line);
  font-variant-numeric:tabular-nums;
}
.plan-table tbody tr:nth-child(even){ background:#FCFCFA; }
.plan-table thead th{
  height:auto;
  padding-top:22px;
  padding-bottom:22px;
  font-size:16px;
  font-weight:800;
  vertical-align:top;
  background:var(--paper);
  border-bottom:1px solid var(--line-strong);
}
.plan-table thead th span{
  display:block;
  margin-top:6px;
  font-size:13px;
  font-weight:600;
  color:var(--mist);
}
.plan-table thead th strong{
  display:block;
  margin-top:10px;
  font-size:26px;
  font-weight:800;
  letter-spacing:-.02em;
}
.plan-table thead th strong small{ font-size:13px; font-weight:600; color:var(--mist); margin-left:2px; }
.plan-table .col-feature{ color:var(--mist); font-weight:600; width:200px; }
.plan-table .col-hot{
  background:var(--ink) !important;
  color:var(--white);
  position:relative;
}
.plan-table .col-hot::before{
  content:"";
  position:absolute; left:0; right:0; top:0;
  height:4px;
  background:var(--acid);
}
.plan-table .col-hot .taghot{
  display:inline-block;
  margin-top:10px;
  background:var(--acid);
  color:var(--ink);
  font-size:12px;
  font-weight:800;
  border-radius:var(--r-chip);
  padding:3px 10px;
}
.plan-table .col-hot span{ color:rgba(255,255,255,.66); }
.plan-table tbody td.col-hot{ color:var(--white); }
.plan-table tbody tr:last-child td{ border-bottom:none; }
.plan-table i.fa-check{ color:var(--acid-text); margin-right:6px; }
.plan-table .col-hot i.fa-check{ color:var(--acid); }
.plan-table i.fa-minus{ color:var(--line-strong); margin-right:6px; }
.scroll-hint{
  display:none;
  margin-top:12px;
  font-size:13px;
  color:var(--mist);
  text-align:center;
}

/* ============ 限时入口 ============ */
.rush{
  background:var(--ink);
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.rush::before{
  content:"";
  position:absolute; inset:0;
  background-image:linear-gradient(rgba(14,15,17,.78), rgba(14,15,17,.86)), url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  z-index:0;
}
.rush__inner{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:48px;
  padding:56px 0;
}
.rush__label{
  font-size:13px;
  font-weight:800;
  letter-spacing:.16em;
  color:var(--orange);
  margin-bottom:12px;
}
.countdown{ display:flex; gap:10px; }
.countdown__box{
  width:64px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-card);
  padding:10px 0;
  text-align:center;
}
.countdown__box strong{
  display:block;
  font-size:26px;
  font-weight:800;
  color:var(--orange);
  font-variant-numeric:tabular-nums;
  line-height:1.1;
  letter-spacing:-.01em;
}
.countdown__box span{ display:block; font-size:12px; color:rgba(255,255,255,.6); margin-top:4px; }
.progress{
  height:12px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  overflow:hidden;
  margin-bottom:12px;
}
.progress__bar{
  height:100%;
  background:var(--acid);
  border-radius:999px;
  transition:width .6s ease;
}
.rush__mid p{ font-size:14.5px; color:rgba(255,255,255,.72); }
.rush__mid p strong{ color:var(--acid); font-variant-numeric:tabular-nums; }
.rush__title{ font-size:20px; font-weight:800; margin-bottom:14px; line-height:1.4; }

/* ============ 分类入口卡 ============ */
.topic-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.topic-card{
  display:flex;
  flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.topic-card:hover{ transform:translateY(-2px); box-shadow:var(--sh-2); border-color:var(--line-strong); }
.topic-card__media{
  position:relative;
  aspect-ratio:16/9;
  overflow:hidden;
  background:#EDEDE8;
}
.topic-card__media img{
  width:100%; height:100%;
  object-fit:cover;
  transition:transform .4s ease;
}
.topic-card:hover .topic-card__media img{ transform:scale(1.03); }
.topic-card__media::after{
  content:"";
  position:absolute; inset:0;
  background:linear-gradient(rgba(14,15,17,.15), rgba(14,15,17,.55));
}
.topic-card__media span{
  position:absolute;
  left:16px; bottom:14px;
  z-index:2;
  font-size:12.5px;
  font-weight:800;
  letter-spacing:.06em;
  color:var(--ink);
  background:var(--acid);
  border-radius:var(--r-chip);
  padding:4px 12px;
}
.topic-card__body{ padding:22px 22px 24px; display:flex; flex-direction:column; flex:1; }
.topic-card__body h3{ font-size:20px; font-weight:800; line-height:1.35; margin-bottom:10px; }
.topic-card__body p{ font-size:14.5px; color:var(--mist); line-height:1.75; flex:1; }
.topic-card__link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-top:18px;
  font-size:14.5px;
  font-weight:700;
  color:var(--ink);
  border-bottom:2px solid var(--acid);
  padding-bottom:2px;
  align-self:flex-start;
  transition:gap .2s ease, border-color .2s ease;
}
.topic-card__link:hover{ gap:14px; border-color:var(--acid-dark); }

/* ============ 最新信息列表 ============ */
.news{ display:grid; grid-template-columns:1fr; gap:20px; }
.news__feature{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:0;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .24s ease, box-shadow .24s ease;
}
.news__feature:hover{ transform:translateY(-2px); box-shadow:var(--sh-2); }
.news__feature .thumb{
  position:relative;
  overflow:hidden;
  background:#EDEDE8;
  min-height:280px;
}
.news__feature .thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
.news__feature:hover .thumb img{ transform:scale(1.03); }
.news__feature .body{ padding:34px 34px 30px; display:flex; flex-direction:column; }
.news__feature h3{
  font-size:clamp(20px,2.2vw,26px);
  font-weight:800;
  line-height:1.35;
  margin:14px 0 12px;
}
.news__feature p{ font-size:15px; color:var(--mist); line-height:1.8; flex:1; }
.news-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.news__item{
  display:grid;
  grid-template-columns:112px 1fr;
  gap:18px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px;
  box-shadow:var(--sh-1);
  transition:transform .24s ease, box-shadow .24s ease, border-color .24s ease;
}
.news__item:hover{ transform:translateY(-2px); box-shadow:var(--sh-2); border-color:var(--line-strong); }
.news__item .thumb{
  width:112px; height:84px;
  border-radius:10px;
  overflow:hidden;
  background:#EDEDE8;
}
.news__item .thumb img{ width:100%; height:100%; object-fit:cover; transition:transform .4s ease; }
.news__item:hover .thumb img{ transform:scale(1.03); }
.news__item h3{
  font-size:16.5px;
  font-weight:700;
  line-height:1.45;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s ease;
}
.news__item:hover h3{ color:var(--acid-text); text-decoration:underline; text-underline-offset:3px; }
.news__item p{
  margin-top:6px;
  font-size:13.5px;
  color:var(--mist);
  line-height:1.65;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.meta{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:10px;
  font-size:13px;
  color:var(--mist);
  font-variant-numeric:tabular-nums;
}
.meta .cat{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:var(--r-chip);
  background:rgba(200,255,46,.3);
  color:var(--ink);
  font-weight:700;
  font-size:12.5px;
}
.meta .dot{ width:3px; height:3px; border-radius:50%; background:var(--line-strong); }
.news__more{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14.5px;
  font-weight:700;
  margin-top:8px;
}
.news__more:hover{ gap:14px; }
.news__more{ transition:gap .2s ease; }
.empty{
  min-height:220px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:14px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r-card);
  background:var(--white);
  color:var(--mist);
  font-size:15px;
}
.empty i{ font-size:30px; color:var(--line-strong); }

/* ============ FAQ ============ */
.faq{ border-top:1px solid var(--line); }
.faq__item{ border-bottom:1px solid var(--line); }
.faq__q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  text-align:left;
  padding:24px 4px;
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  transition:color .2s ease;
}
.faq__q:hover{ color:var(--acid-text); }
.faq__q i{
  flex:0 0 auto;
  font-size:16px;
  color:var(--ink);
  width:30px; height:30px;
  border:1px solid var(--line-strong);
  border-radius:8px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .28s ease, background-color .28s ease, border-color .28s ease;
}
.faq__item.is-open .faq__q i{
  transform:rotate(45deg);
  background:var(--acid);
  border-color:var(--acid-dark);
}
.faq__a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s ease;
}
.faq__a p{
  border-left:2px solid var(--acid);
  padding:0 0 0 20px;
  margin:0 0 24px 4px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--mist);
}
.faq__item.is-open .faq__a{ max-height:340px; }

/* ============ 表单 ============ */
.consult-grid{
  display:grid;
  grid-template-columns:1fr 1.1fr;
  gap:48px;
  align-items:start;
}
.consult-points{ display:flex; flex-direction:column; gap:18px; }
.consult-points li{
  display:grid;
  grid-template-columns:40px 1fr;
  gap:16px;
  align-items:start;
}
.consult-points i{
  width:40px; height:40px;
  border-radius:10px;
  background:rgba(200,255,46,.35);
  color:var(--ink);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
}
.consult-points strong{ display:block; font-size:16px; font-weight:800; margin-bottom:2px; }
.consult-points span{ font-size:14px; color:var(--mist); line-height:1.7; }
.form-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:32px;
  box-shadow:var(--sh-1);
}
.field{ margin-bottom:20px; }
.field label{
  display:block;
  font-size:14px;
  font-weight:700;
  margin-bottom:8px;
}
.field input,
.field select,
.field textarea{
  width:100%;
  height:48px;
  border:1px solid var(--line-strong);
  border-radius:var(--r-input);
  background:var(--paper);
  padding:0 14px;
  font-size:15px;
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
  appearance:none;
}
.field textarea{ height:112px; padding:12px 14px; resize:vertical; line-height:1.7; }
.field input::placeholder,
.field textarea::placeholder{ color:#A6A8AC; }
.field input:focus,
.field select:focus,
.field textarea:focus{
  outline:none;
  border-color:var(--acid-dark);
  border-width:1.5px;
  background:var(--white);
  box-shadow:0 0 0 3px rgba(200,255,46,.35);
}
.field.has-error input,
.field.has-error select,
.field.has-error textarea{ border-color:var(--error); }
.field__err{
  display:none;
  margin-top:7px;
  font-size:13px;
  color:var(--error);
  line-height:1.5;
}
.field.has-error .field__err{ display:block; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.form-note{
  margin-top:14px;
  font-size:13px;
  color:var(--mist);
  line-height:1.6;
}
.alert{
  display:none;
  margin-bottom:20px;
  padding:14px 16px;
  border-radius:var(--r-input);
  font-size:14.5px;
  line-height:1.7;
}
.alert.is-show{ display:block; }
.alert--ok{ background:#EDF8F2; border-left:3px solid var(--success); color:#1D6B45; }
.alert--bad{ background:#FCEFEE; border-left:3px solid var(--error); color:#9C2A25; }

/* ============ CTA 通栏 ============ */
.cta-band{
  background:var(--ink);
  color:var(--white);
  background-image:
    linear-gradient(rgba(200,255,46,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200,255,46,.045) 1px, transparent 1px);
  background-size:32px 32px;
}
.cta-band__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:64px 0;
}
.cta-band h2{ font-size:clamp(24px,2.8vw,36px); font-weight:800; line-height:1.25; margin-bottom:10px; }
.cta-band p{ font-size:15.5px; color:rgba(255,255,255,.7); max-width:620px; }

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  font-size:14px;
  border-top:1px solid rgba(255,255,255,.1);
}
.footer__grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding:64px 0 48px;
}
.footer__brand .logo{ color:var(--white); margin-bottom:16px; }
.footer__brand .logo span{ color:rgba(255,255,255,.5); }
.footer__brand p{ line-height:1.85; max-width:300px; }
.footer__badges{ display:flex; flex-wrap:wrap; gap:8px; margin-top:18px; }
.footer__badges span{
  font-size:12.5px;
  border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-chip);
  padding:4px 12px;
  color:rgba(255,255,255,.8);
}
.footer__col h3{
  font-size:15px;
  font-weight:800;
  color:var(--white);
  margin-bottom:18px;
}
.footer__col li{ margin-bottom:11px; }
.footer__col a{
  color:rgba(255,255,255,.7);
  transition:color .2s ease, padding-left .2s ease;
}
.footer__col a:hover{ color:var(--acid); padding-left:4px; }
.footer__col p{ line-height:1.9; }
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.55);
}
.footer__bottom nav{ display:flex; gap:18px; flex-wrap:wrap; }
.footer__bottom a:hover{ color:var(--acid); }

/* ============ 动效 ============ */
.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){
  *{ animation:none !important; transition:none !important; }
  .reveal{ opacity:1; transform:none; }
  html{ scroll-behavior:auto; }
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .ladder__item:nth-child(even){ margin-left:28px; }
}
@media (max-width:1023px){
  .hero__inner{ padding:72px 0 56px; }
  .stats__grid{ grid-template-columns:repeat(2,1fr); }
  .stat{ padding:20px 18px; }
  .stat:nth-child(2){ border-right:none; }
  .stat:nth-child(1),
  .stat:nth-child(2){ border-bottom:1px solid rgba(255,255,255,.12); }
  .stat:nth-child(3){ padding-left:18px; }
  .topic-grid{ grid-template-columns:1fr; }
  .news__feature{ grid-template-columns:1fr; }
  .news__feature .thumb{ min-height:220px; aspect-ratio:16/9; }
  .news-grid{ grid-template-columns:1fr; }
  .rush__inner{ grid-template-columns:1fr; gap:28px; padding:48px 0; }
  .consult-grid{ grid-template-columns:1fr; gap:36px; }
  .cta-band__inner{ flex-direction:column; align-items:flex-start; padding:56px 0; }
  .footer__grid{ grid-template-columns:1fr 1fr; gap:32px; padding:52px 0 36px; }
  .scroll-hint{ display:block; }
}
@media (max-width:767px){
  .hero__inner{ padding:56px 0 44px; }
  .hero__trust{ flex-direction:column; gap:10px; }
  .hero__trust li{ border-right:none; padding-right:0; margin-right:0; }
  .hero__actions .btn{ flex:1 1 auto; }
  .ladder__item{
    grid-template-columns:52px 1fr;
    padding:20px;
    gap:16px;
  }
  .ladder__item:nth-child(even){ margin-left:0; }
  .ladder__item .badge{ grid-column:2; justify-self:start; }
  .ladder__no{ width:44px; height:44px; font-size:17px; }
  .ladder::before{ left:27px; }
  .plan-table th, .plan-table td{ padding:0 16px; }
  .countdown__box{ width:56px; }
  .countdown__box strong{ font-size:22px; }
  .news__item{ grid-template-columns:92px 1fr; gap:14px; padding:14px; }
  .news__item .thumb{ width:92px; height:70px; }
  .form-card{ padding:22px; }
  .form-row{ grid-template-columns:1fr; gap:0; }
  .footer__grid{ grid-template-columns:1fr; }
  .cta-band__inner .btn{ width:100%; }
}
@media (max-width:420px){
  .logo{ font-size:17px; }
  .logo span{ font-size:12px; }
  .hero h1{ font-size:34px; }
  .countdown{ gap:7px; }
  .countdown__box{ width:50px; padding:8px 0; }
  .countdown__box strong{ font-size:19px; }
  .countdown__box span{ font-size:11px; }
}

/* roulang page: article */
:root{
  --lime:#C8FF2E;
  --lime-dark:#9BD400;
  --lime-ink:#6E9A00;
  --orange:#FF5A2B;
  --ink:#0E0F11;
  --graphite:#1A1C1F;
  --mist:#6B6F76;
  --line:#E6E6E2;
  --paper:#FAF9F6;
  --white:#FFFFFF;
  --ok:#2FA36B;
  --err:#E0413A;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(14,15,17,.06);
  --sh-2:0 12px 32px rgba(14,15,17,.10);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--graphite);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none;transition:color .18s ease}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--lime);outline-offset:2px}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding-left:1.2em}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.tnum{font-variant-numeric:tabular-nums}

/* ============ 顶部公告条 ============ */
.announce{background:var(--ink);color:#EFEFEA;font-size:13px;line-height:1.5}
.announce__inner{display:flex;align-items:center;gap:12px;min-height:36px}
.announce__dot{width:7px;height:7px;border-radius:50%;background:var(--lime);flex:0 0 auto;box-shadow:0 0 0 3px rgba(200,255,46,.18)}
.announce__text{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.announce__text b{color:var(--lime);font-weight:700}
.announce__text em{color:var(--orange);font-style:normal;font-weight:700}
.announce__close{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#B9BAB4;flex:0 0 auto}
.announce__close:hover{background:rgba(255,255,255,.10);color:#fff}
.announce.is-closed{display:none}

/* ============ 头部与导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--white);
  border-bottom:1px solid transparent;
  transition:height .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-compact{border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.header__inner{display:flex;align-items:center;gap:24px;height:70px;transition:height .2s ease}
.site-header.is-compact .header__inner{height:56px}
.logo{
  font-size:21px;font-weight:900;letter-spacing:-.02em;color:var(--ink);
  display:inline-flex;align-items:baseline;gap:2px;white-space:nowrap;
}
.logo span{color:var(--lime-ink);font-size:14px;font-weight:800;letter-spacing:.06em}
.logo:hover{color:var(--ink)}
.nav{display:flex;align-items:center;gap:8px;margin-left:8px;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--white);color:var(--mist);
  font-size:14px;font-weight:600;white-space:nowrap;transition:all .18s ease;
}
.chip:hover{border-color:var(--ink);color:var(--ink);background:#F4F4F0}
.chip:active{transform:translateY(1px)}
.chip.is-active{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.header__cta{margin-left:auto;display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:800;letter-spacing:.01em;white-space:nowrap;
  transition:transform .16s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{border:1.5px solid var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-dark-ghost{border:1px solid rgba(255,255,255,.45);color:#fff;background:transparent}
.btn-dark-ghost:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* ============ 面包屑 ============ */
.crumbs{padding:20px 0 0}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;margin:0;font-size:13px;color:var(--mist)}
.crumbs li{display:flex;align-items:center;gap:8px;min-width:0}
.crumbs li+li::before{content:"/";color:#C6C7C1}
.crumbs a:hover{color:var(--lime-ink)}
.crumbs .current{color:var(--ink);font-weight:600;max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头部 ============ */
.article-head{padding:28px 0 0}
.article-head__inner{max-width:780px;margin:0 auto;text-align:left}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:rgba(200,255,46,.35);color:#3F5A00;font-size:12px;font-weight:800;letter-spacing:.04em;
}
.article-head h1{
  font-size:clamp(28px,4.2vw,46px);
  font-weight:900;line-height:1.18;letter-spacing:-.02em;color:var(--ink);
  margin:16px 0 0;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  margin-top:18px;font-size:13.5px;color:var(--mist);
}
.article-meta .sep{width:1px;height:12px;background:var(--line)}
.article-meta b{color:var(--ink);font-weight:700}

/* ============ 封面图 ============ */
.article-cover{max-width:900px;margin:32px auto 0;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--line);background:#EFEFEA}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .5s ease}
.article-cover:hover img{transform:scale(1.03)}
.article-cover figcaption{font-size:13px;color:var(--mist);padding:10px 16px;border-top:1px solid var(--line);background:var(--white)}

/* ============ 正文 ============ */
.article-wrap{padding:40px 0 72px}
.article-body{
  max-width:748px;margin:0 auto;
  font-size:17px;line-height:1.9;color:#23252B;
}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:clamp(22px,2.5vw,28px);font-weight:800;line-height:1.35;color:var(--ink);
  margin:2.2em 0 .8em;padding-left:14px;border-left:8px solid var(--lime);
}
.article-body h3{font-size:20px;font-weight:700;line-height:1.4;color:var(--ink);margin:1.8em 0 .7em}
.article-body h4{font-size:17px;font-weight:700;color:var(--ink);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em}
.article-body li{margin:.4em 0}
.article-body ul li::marker{color:var(--lime-ink)}
.article-body ol li::marker{color:var(--lime-ink);font-weight:700}
.article-body blockquote{
  margin:1.6em 0;padding:18px 20px;background:#F3F5EA;
  border-left:3px solid var(--lime-dark);border-radius:0 var(--r-card) var(--r-card) 0;
  color:#3A3D33;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--lime-ink);text-decoration:underline;text-underline-offset:3px;font-weight:600}
.article-body a:hover{color:var(--ink);background:var(--lime)}
.article-body img{border-radius:var(--r-img);margin:1.4em 0;width:100%}
.article-body figure{margin:1.8em 0}
.article-body figcaption{font-size:13px;color:var(--mist);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left}
.article-body th{background:#F4F4F0;font-weight:800;color:var(--ink)}
.article-body tr:last-child td{border-bottom:0}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2.4em 0}
.article-body code{background:#F1F2EC;padding:2px 6px;border-radius:6px;font-size:14.5px}

/* 空态 */
.article-empty{
  max-width:748px;margin:0 auto;padding:64px 24px;text-align:center;
  border:1px dashed var(--line);border-radius:var(--r-card);background:var(--white);
}
.article-empty svg{width:44px;height:44px;stroke:var(--mist);fill:none;stroke-width:1.6;margin:0 auto 16px}
.article-empty h2{font-size:22px;font-weight:800;color:var(--ink);margin-bottom:10px}
.article-empty p{color:var(--mist);font-size:15px;margin-bottom:22px}

/* ============ 文末标签 ============ */
.article-tags{max-width:748px;margin:44px auto 0;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;gap:10px}
.article-tags__label{font-size:13px;color:var(--mist);font-weight:700;letter-spacing:.08em}
.tag-pill{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--white);font-size:13px;font-weight:600;color:var(--graphite);
}
.tag-pill:hover{border-color:var(--ink);background:#F4F4F0}

/* ============ 相关推荐 ============ */
.related{padding:80px 0;background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{
  font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.2;color:var(--ink);
  padding-left:14px;border-left:8px solid var(--lime);
}
.section-head p{color:var(--mist);font-size:14.5px;max-width:520px}
.related__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rcard{
  display:flex;flex-direction:column;background:var(--paper);
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rcard:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8D9D2}
.rcard__media{overflow:hidden;background:#EFEFEA}
.rcard__media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .4s ease}
.rcard:hover .rcard__media img{transform:scale(1.03)}
.rcard__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rcard__badge{align-self:flex-start;font-size:12px;font-weight:800;color:#3F5A00;background:rgba(200,255,46,.35);padding:3px 10px;border-radius:999px}
.rcard h3{font-size:18px;font-weight:800;line-height:1.35;color:var(--ink)}
.rcard p{font-size:14.5px;color:var(--mist);line-height:1.7}
.rcard__link{margin-top:auto;font-size:14px;font-weight:800;color:var(--ink);display:inline-flex;align-items:center;gap:6px}
.rcard__link::after{content:"→";transition:transform .2s ease}
.rcard:hover .rcard__link::after{transform:translateX(4px)}

/* ============ 底部 CTA ============ */
.cta-band{background:var(--ink);color:#fff;padding:72px 0;position:relative;overflow:hidden}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
}
.cta-band__inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(24px,3vw,36px);font-weight:900;line-height:1.2;letter-spacing:-.01em}
.cta-band h2 em{font-style:normal;color:var(--lime)}
.cta-band p{margin-top:14px;font-size:15.5px;color:#B9BAB4;max-width:620px;line-height:1.8}
.cta-band__actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#C9CAC4;padding:64px 0 0;font-size:14px}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer__brand .logo{color:#fff;font-size:20px}
.footer__brand .logo span{color:var(--lime)}
.footer__brand p{margin-top:14px;line-height:1.8;color:#9C9D97;max-width:320px}
.footer__badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer__badges span{
  font-size:12px;font-weight:700;color:#D9DAD4;
  border:1px solid rgba(255,255,255,.18);border-radius:999px;padding:4px 11px;
}
.footer__col h3{font-size:14px;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.05em}
.footer__col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.footer__col a{color:#9C9D97;font-size:14px}
.footer__col a:hover{color:var(--lime)}
.footer__col p{color:#9C9D97;line-height:2}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 28px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer__bottom p{font-size:13px;color:#83847E}
.footer__bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer__bottom nav a{font-size:13px;color:#83847E}
.footer__bottom nav a:hover{color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
  .related__grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .header__inner{height:62px;gap:12px}
  .site-header.is-compact .header__inner{height:56px}
  .nav-toggle{display:flex;order:3;margin-left:auto}
  .header__cta{margin-left:0}
  .header__cta .btn{display:none}
  .nav{
    position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    gap:10px;padding:16px 20px 20px;background:var(--white);
    border-bottom:1px solid var(--line);box-shadow:var(--sh-2);
  }
  .site-header.is-menu-open .nav{display:flex}
  .chip{height:44px;justify-content:center;font-size:15px}
  .article-head{padding:20px 0 0}
  .article-wrap{padding:28px 0 56px}
  .article-body{font-size:16.5px;line-height:1.85}
  .article-body h2{padding-left:12px;border-left-width:6px}
  .related{padding:56px 0}
  .related__grid{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1 1 auto}
  .footer__grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .site-footer{padding-top:48px}
}
@media (max-width:420px){
  .logo{font-size:19px}
  .logo span{font-size:13px}
  .article-meta{font-size:13px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  .rcard:hover,.btn:hover{transform:none!important}
  .rcard:hover .rcard__media img,.article-cover:hover img{transform:none!important}
}

/* roulang page: category1 */
:root{
  --lime:#C8FF2E;
  --lime-hover:#9BD400;
  --lime-deep:#6E9A00;
  --orange:#FF5A2B;
  --ink:#0E0F11;
  --graphite:#1A1C1F;
  --gray:#6B6F76;
  --line:#E6E6E2;
  --paper:#FAF9F6;
  --alt:#F2F1EC;
  --white:#FFFFFF;
  --success:#2FA36B;
  --error:#E0413A;
  --r-card:14px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(14,15,17,.06);
  --sh-2:0 12px 32px rgba(14,15,17,.10);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
strong{font-weight:800}
:focus-visible{outline:2px solid var(--lime-hover);outline-offset:2px;border-radius:4px}

.container{width:min(100% - 48px,var(--container));margin-inline:auto}

/* 公告条 */
.notice{background:var(--ink);color:rgba(255,255,255,.92);font-size:13.5px;line-height:36px;position:relative;z-index:60}
.notice__inner{display:flex;align-items:center;gap:12px;min-height:36px}
.notice__dot{width:8px;height:8px;border-radius:50%;background:var(--orange);flex:none;box-shadow:0 0 0 3px rgba(255,90,43,.18)}
.notice p{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice__close{width:28px;height:28px;border:1px solid rgba(255,255,255,.22);background:transparent;color:rgba(255,255,255,.8);border-radius:8px;cursor:pointer;line-height:1;font-size:16px;transition:background .2s,border-color .2s}
.notice__close:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.42)}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-shrink{box-shadow:var(--sh-1)}
.header__inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease}
.site-header.is-shrink .header__inner{height:58px}
.logo{
  font-size:21px;font-weight:900;letter-spacing:-.02em;flex:none;
  display:inline-flex;align-items:baseline;gap:4px;white-space:nowrap;
}
.logo span{font-size:13px;font-weight:600;color:var(--gray);letter-spacing:0}
.logo::before{content:"";width:10px;height:10px;background:var(--lime);border-radius:3px;transform:translateY(-2px)}

.nav{display:flex;align-items:center;gap:8px;padding:4px;background:var(--white);border:1px solid var(--line);border-radius:var(--r-pill);flex:1;overflow-x:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.chip{
  flex:none;
  display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--gray);
  white-space:nowrap;transition:color .2s,background .2s;
}
.chip:hover{color:var(--ink);background:var(--alt)}
.chip.is-active{background:var(--lime);color:var(--ink);font-weight:700}

.header__actions{display:flex;align-items:center;gap:12px;margin-left:32px;flex:none}
.hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:var(--white);
  border-radius:var(--r-btn);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.hamburger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease}
.hamburger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger[aria-expanded="true"] span:nth-child(2){opacity:0}
.hamburger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.drawer{
  position:fixed;inset:72px 0 0 0;z-index:45;background:var(--paper);
  border-top:1px solid var(--line);padding:24px 0 40px;display:none;
}
.drawer.is-open{display:block}
.drawer__nav{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.drawer__nav .chip{width:100%;justify-content:flex-start;padding:14px 18px;border:1px solid var(--line);background:var(--white);border-radius:var(--r-btn);font-size:16px}
.drawer__nav .chip.is-active{background:var(--lime);border-color:var(--lime)}
.drawer .btn{width:100%}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn--primary{background:var(--lime);color:var(--ink);box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--lime-hover);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn--outline:hover{background:var(--ink);color:var(--white);transform:translateY(-2px)}
.btn--outline:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--white);border-color:rgba(255,255,255,.55)}
.btn--ghost:hover{border-color:var(--white);background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn--sm{padding:10px 18px;font-size:14px}
.btn--block{width:100%}
.btn[disabled]{opacity:.4;pointer-events:none}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
  border:1px solid var(--line);background:var(--white);color:var(--gray);
}
.badge--lime{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.badge--ink{background:var(--ink);border-color:var(--ink);color:var(--lime)}
.badge--orange{background:var(--orange);border-color:var(--orange);color:var(--white)}
.badge--ok{background:rgba(200,255,46,.35);border-color:var(--lime-hover);color:var(--lime-deep)}
.badge--wait{background:var(--alt);border-color:var(--line);color:var(--gray)}
.badge--done{background:var(--graphite);border-color:var(--graphite);color:var(--white)}

/* 首屏 */
.hero{position:relative;background:var(--ink);color:var(--white);overflow:hidden;padding:88px 0 0}
.hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;opacity:.55}
.hero__mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,15,17,.74) 0%,rgba(14,15,17,.86) 62%,rgba(14,15,17,.96) 100%)}
.hero__grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:56px 56px;pointer-events:none}
.hero__inner{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:64px;align-items:center;padding-bottom:72px}
.hero__text{max-width:640px}
.hero h1{
  font-size:clamp(38px,5.4vw,66px);font-weight:900;line-height:1.06;letter-spacing:-.02em;
  margin:22px 0 20px;
}
.hero h1 em{font-style:normal;color:var(--lime)}
.hero__sub{font-size:19px;line-height:1.6;font-weight:600;color:#F3F2ED;margin-bottom:14px}
.hero__lead{font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.72);max-width:600px}
.hero__cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.hero__trust{display:flex;flex-wrap:wrap;gap:0;font-size:13.5px;color:rgba(255,255,255,.72)}
.hero__trust li{position:relative;padding:0 18px}
.hero__trust li:first-child{padding-left:0}
.hero__trust li::before{content:"";position:absolute;left:-1px;top:50%;width:1px;height:12px;transform:translateY(-50%);border-left:1px dashed rgba(255,255,255,.34)}
.hero__trust li:first-child::before{display:none}
.hero__media{position:relative}
.hero__media img{border-radius:var(--r-img);border:1px solid rgba(255,255,255,.16);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero__media figcaption{margin-top:12px;font-size:13px;color:rgba(255,255,255,.6)}

.hero__stats{position:relative;z-index:2;background:#08090A;border-top:1px solid rgba(255,255,255,.1)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:24px 22px;border-left:1px solid rgba(255,255,255,.09)}
.stat:first-child{border-left:none;padding-left:0}
.stat strong{display:block;font-size:clamp(24px,2.6vw,34px);font-weight:800;letter-spacing:-.01em;font-variant-numeric:tabular-nums;color:var(--lime)}
.stat span{display:block;margin-top:4px;font-size:13px;color:rgba(255,255,255,.62)}

/* 页内锚点 */
.anchor-bar{position:relative;z-index:5;background:var(--white);border-bottom:1px solid var(--line)}
.anchor-bar__inner{display:flex;align-items:center;gap:20px;padding:14px 0}
.anchor-bar__label{font-size:13px;font-weight:700;color:var(--gray);letter-spacing:.08em;flex:none}
.anchor-chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px}
.anchor-chips::-webkit-scrollbar{display:none}
.chip--anchor{border:1px solid var(--line);background:var(--paper);font-size:14px;padding:8px 15px}
.chip--anchor:hover{background:var(--ink);color:var(--white);border-color:var(--ink)}

/* 通用板块 */
.section{padding:104px 0}
.section--alt{background:var(--alt)}
.section--tight{padding-top:0}
.section__head{max-width:780px;margin-bottom:44px}
.section__num{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:40px;height:28px;padding:0 11px;margin-bottom:16px;
  background:var(--ink);color:var(--lime);
  border-radius:8px;font-size:13.5px;font-weight:800;letter-spacing:.08em;font-variant-numeric:tabular-nums;
}
.section__head h2{font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.2;letter-spacing:-.01em}
.section__desc{margin-top:16px;font-size:16px;color:var(--gray);line-height:1.8;max-width:680px}

/* 卡片网格 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D6D6CF}
.card__media{border-radius:var(--r-img);overflow:hidden;background:#EDECE7;aspect-ratio:16/9;margin-bottom:20px}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.card:hover .card__media img{transform:scale(1.03)}
.card h3{font-size:21px;font-weight:700;line-height:1.35;margin:14px 0 10px}
.card p{font-size:15px;color:var(--gray);line-height:1.8}
.card__list{margin-top:16px;display:grid;gap:9px}
.card__list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--graphite)}
.card__list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--lime)}

/* 步骤流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.step{
  position:relative;background:var(--white);border:1px solid var(--ink);border-radius:var(--r-card);
  padding:26px 22px 24px;box-shadow:4px 4px 0 var(--ink);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}
.step__no{
  display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;
  background:var(--lime);color:var(--ink);border-radius:10px;font-weight:800;font-size:14.5px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:18.5px;font-weight:700;margin:16px 0 8px;line-height:1.35}
.step p{font-size:14.5px;color:var(--gray);line-height:1.8}

/* 图文分区 */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:64px;align-items:center}
.split--reverse .split__media{order:2}
.split__media{border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);background:#EDECE7}
.split__media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split h2{font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.2;margin-bottom:18px;letter-spacing:-.01em}
.split p.lead{font-size:16px;color:var(--gray);line-height:1.85;margin-bottom:26px}
.feature-list{display:grid;gap:18px}
.feature-list li{display:flex;gap:14px;align-items:flex-start}
.feature-list .dot{
  flex:none;width:34px;height:34px;border-radius:10px;background:var(--alt);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--lime-deep);font-variant-numeric:tabular-nums;
}
.feature-list h4{font-size:16.5px;font-weight:700;margin-bottom:4px}
.feature-list p{font-size:14.5px;color:var(--gray);line-height:1.75}

/* 权益阶梯 */
.ladder{position:relative;display:grid;gap:20px;max-width:1060px}
.ladder__step{
  position:relative;display:flex;align-items:flex-start;gap:22px;
  background:var(--white);border:1px solid var(--ink);border-radius:var(--r-card);
  padding:26px 28px;box-shadow:4px 4px 0 rgba(14,15,17,.92);
  transition:transform .22s ease,box-shadow .22s ease;
}
.ladder__step:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 rgba(14,15,17,.92)}
.ladder__step:nth-child(2){margin-left:56px}
.ladder__step:nth-child(3){margin-left:112px}
.ladder__step:nth-child(4){margin-left:168px}
.ladder__step + .ladder__step::before{
  content:"";position:absolute;left:-34px;top:-24px;height:24px;border-left:2px dashed var(--lime-hover);
}
.ladder__no{
  flex:none;width:48px;height:48px;border-radius:12px;background:var(--ink);color:var(--lime);
  display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
}
.ladder__body{flex:1;min-width:0}
.ladder__body h3{font-size:19.5px;font-weight:700;line-height:1.35;margin-bottom:8px}
.ladder__body p{font-size:15px;color:var(--gray);line-height:1.8}
.ladder__meta{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}
.ladder__step > .badge{flex:none;margin-top:4px}

/* 订阅区 */
.subscribe{background:var(--ink);color:var(--white);position:relative;overflow:hidden}
.subscribe__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.28}
.subscribe__inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:start}
.subscribe h2{font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.2;letter-spacing:-.01em;margin-bottom:18px}
.subscribe p{font-size:16px;color:rgba(255,255,255,.74);line-height:1.85}
.subscribe__points{margin-top:26px;display:grid;gap:12px}
.subscribe__points li{position:relative;padding-left:20px;font-size:15px;color:rgba(255,255,255,.8)}
.subscribe__points li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--lime)}

.form{background:var(--graphite);border:1px solid rgba(255,255,255,.12);border-radius:var(--r-card);padding:28px}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:14px;font-weight:600;color:rgba(255,255,255,.86)}
.field input,.field select{
  height:48px;padding:0 14px;border-radius:var(--r-input);
  background:#101215;border:1.5px solid rgba(255,255,255,.16);color:var(--white);
  transition:border-color .2s ease,box-shadow .2s ease;width:100%;
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,rgba(255,255,255,.6) 50%),linear-gradient(135deg,rgba(255,255,255,.6) 50%,transparent 50%);background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input::placeholder{color:rgba(255,255,255,.34)}
.field input:focus,.field select:focus{outline:none;border-color:var(--lime);box-shadow:0 0 0 3px rgba(200,255,46,.18)}
.field__error{font-size:13px;color:#FF8A82}
.form__hint{margin-top:14px;font-size:13px;color:rgba(255,255,255,.5)}

.alert{
  display:flex;gap:10px;align-items:flex-start;
  margin-top:16px;padding:12px 16px;border-radius:var(--r-btn);
  font-size:14px;line-height:1.7;
}
.alert strong{font-weight:800;margin-right:2px}
.alert--success{background:rgba(200,255,46,.14);border-left:3px solid var(--lime);color:#E8FFB0}
.alert--error{background:rgba(224,65,58,.16);border-left:3px solid var(--error);color:#FFBDB8}

/* 页脚 */
.site-footer{background:var(--ink);color:rgba(255,255,255,.7);padding:72px 0 0;font-size:14.5px}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:48px;padding-bottom:52px}
.footer__brand .logo{color:var(--white);font-size:20px;margin-bottom:16px}
.footer__brand .logo span{color:rgba(255,255,255,.5)}
.footer__brand p{line-height:1.85;max-width:340px}
.footer__badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px}
.footer__badges span{
  font-size:12.5px;padding:4px 12px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.18);color:rgba(255,255,255,.72);
}
.footer__col h3{font-size:15px;font-weight:700;color:var(--white);margin-bottom:18px;letter-spacing:.02em}
.footer__col ul{display:grid;gap:11px}
.footer__col a{transition:color .2s ease}
.footer__col a:hover{color:var(--lime)}
.footer__col p{line-height:2}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer__bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer__bottom a:hover{color:var(--lime)}

/* 入场动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease-out,transform .32s ease-out}
.reveal.is-in{opacity:1;transform:none}
.reveal-d1{transition-delay:.06s}
.reveal-d2{transition-delay:.12s}
.reveal-d3{transition-delay:.18s}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .btn,.card,.step,.ladder__step,.card__media img{transition:none}
  .btn:hover,.card:hover,.step:hover,.ladder__step:hover,.card:hover .card__media img{transform:none}
}

/* 响应式 */
@media (max-width:1279px){
  .hero__inner{gap:44px}
  .split{gap:44px}
}
@media (max-width:1023px){
  .nav{display:none}
  .hamburger{display:flex}
  .header__actions{margin-left:auto}
  .hero{padding-top:72px}
  .hero__inner{grid-template-columns:1fr;gap:44px;padding-bottom:56px}
  .hero__media{order:-1;max-width:560px}
  .hero__media img{aspect-ratio:16/9}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat{padding:20px 0;border-left:none;border-top:1px solid rgba(255,255,255,.09)}
  .stat:nth-child(odd){padding-right:20px}
  .stat:nth-child(even){padding-left:20px;border-left:1px solid rgba(255,255,255,.09)}
  .stat:nth-child(1),.stat:nth-child(2){border-top:none}
  .section{padding:72px 0}
  .grid-3{grid-template-columns:repeat(2,1fr);gap:22px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:36px}
  .split--reverse .split__media{order:0}
  .ladder__step:nth-child(2),.ladder__step:nth-child(3),.ladder__step:nth-child(4){margin-left:0}
  .ladder__step + .ladder__step::before{display:none}
  .subscribe__inner{grid-template-columns:1fr;gap:40px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{width:min(100% - 40px,var(--container))}
  .notice{font-size:12.5px}
  .header__inner{height:64px}
  .site-header.is-shrink .header__inner{height:56px}
  .header__actions .btn{display:none}
  .drawer{inset:64px 0 0 0}
  .hero{padding-top:56px}
  .hero h1{font-size:clamp(32px,8.4vw,44px)}
  .hero__sub{font-size:17px}
  .hero__cta .btn{flex:1 1 100%}
  .anchor-bar__inner{flex-direction:column;align-items:flex-start;gap:10px;padding:14px 0}
  .section{padding:56px 0}
  .grid-3{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .ladder__step{flex-wrap:wrap;gap:16px;padding:22px}
  .ladder__step > .badge{margin-top:0}
  .form{padding:22px}
  .form__row{grid-template-columns:1fr}
  .site-footer{padding-top:56px}
  .footer__grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
  .hero__media img{aspect-ratio:4/3}
}
@media (max-width:420px){
  .container{width:min(100% - 32px,var(--container))}
  .logo{font-size:18px}
  .logo span{font-size:12px}
  .stat strong{font-size:24px}
  .hero__trust li{padding:0 12px}
}

/* roulang page: category2 */
:root{
  --lime:#C8FF2E;
  --lime-dark:#9BD400;
  --lime-text:#6E9A00;
  --orange:#FF5A2B;
  --ink:#0E0F11;
  --graphite:#1A1C1F;
  --mist:#6B6F76;
  --line:#E6E6E2;
  --paper:#FAF9F6;
  --ok:#2FA36B;
  --err:#E0413A;
  --r-card:14px;
  --r-btn:10px;
  --r-chip:999px;
  --r-img:12px;
  --r-input:10px;
  --sh1:0 1px 2px rgba(14,15,17,.06);
  --sh2:0 12px 32px rgba(14,15,17,.10);
  --s4:4px; --s8:8px; --s12:12px; --s16:16px; --s24:24px;
  --s32:32px; --s48:48px; --s64:64px; --s96:96px; --s120:120px;
  --wrap:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime-dark);outline-offset:2px;border-radius:4px;}

/* 容器 */
.container{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 var(--s24);}

/* 顶部公告条 */
.notice{
  background:var(--ink);color:#fff;font-size:13px;line-height:1;
  height:36px;display:flex;align-items:center;
}
.notice .container{display:flex;align-items:center;gap:var(--s12);justify-content:center;}
.notice__tag{
  background:var(--orange);color:#fff;font-size:12px;font-weight:700;
  padding:3px 8px;border-radius:var(--r-chip);letter-spacing:.02em;white-space:nowrap;
}
.notice__text{color:#EDEDE8;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.notice__close{
  margin-left:auto;color:#9A9A94;width:24px;height:24px;line-height:1;
  border-radius:6px;font-size:16px;flex:0 0 auto;
}
.notice__close:hover{color:#fff;background:rgba(255,255,255,.10);}

/* 头部 */
.site-header{
  position:sticky;top:0;z-index:50;background:var(--paper);
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh1);}
.header__inner{display:flex;align-items:center;gap:var(--s24);height:72px;transition:height .2s ease;}
.site-header.is-scrolled .header__inner{height:56px;}
.logo{
  font-size:20px;font-weight:900;letter-spacing:-.02em;line-height:1;
  display:inline-flex;align-items:baseline;gap:4px;white-space:nowrap;
  border-bottom:2px solid var(--lime-dark);padding-bottom:4px;
}
.logo span{font-weight:700;color:var(--lime-text);font-size:16px;}
.nav{
  display:flex;align-items:center;gap:var(--s8);
  margin-left:var(--s16);flex:1 1 auto;min-width:0;
  overflow-x:auto;scrollbar-width:none;
}
.nav::-webkit-scrollbar{display:none;}
.chip{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 16px;border-radius:var(--r-chip);
  font-size:14px;font-weight:600;color:var(--mist);
  border:1px solid transparent;white-space:nowrap;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.chip:hover{color:var(--ink);background:#F0EFE9;border-color:var(--line);}
.chip.is-active{background:var(--lime);color:var(--ink);border-color:var(--lime-dark);}
.chip.is-active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:4px;height:2px;
  background:var(--ink);transform-origin:left;animation:sweep .32s ease-out both;
}
@keyframes sweep{from{transform:scaleX(0);}to{transform:scaleX(1);}}
.header__cta{
  margin-left:auto;flex:0 0 auto;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:var(--s8);
  border-radius:var(--r-btn);font-weight:700;font-size:15px;line-height:1;
  padding:0 20px;height:44px;border:1.5px solid transparent;
  transition:transform .16s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--lime);color:var(--ink);border-color:var(--lime-dark);}
.btn--primary:hover{background:var(--lime-dark);transform:translateY(-2px);box-shadow:var(--sh2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh1);}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn--ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;transform:translateY(-2px);}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn--outline:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn--sm{height:38px;font-size:14px;padding:0 16px;}
.btn--block{width:100%;}
.btn[disabled]{opacity:.4;pointer-events:none;}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1.5px solid var(--line);align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.burger span::before,.burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

/* 抽屉 */
.drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:var(--paper);
  border-left:1px solid var(--line);z-index:80;transform:translateX(100%);
  transition:transform .28s ease;padding:var(--s24);display:flex;flex-direction:column;gap:var(--s12);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .chip{width:100%;justify-content:flex-start;border-radius:var(--r-btn);padding:13px 16px;font-size:15px;}
.drawer__close{align-self:flex-end;width:40px;height:40px;border-radius:var(--r-btn);border:1.5px solid var(--line);font-size:18px;}
.scrim{position:fixed;inset:0;background:rgba(14,15,17,.5);opacity:0;pointer-events:none;transition:opacity .28s ease;z-index:70;}
.scrim.is-open{opacity:1;pointer-events:auto;}

/* 首屏 */
.hero{
  position:relative;background:var(--ink);color:#fff;overflow:hidden;
  padding:var(--s96) 0 var(--s64);
}
.hero__bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.5;
}
.hero__mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,15,17,.72),rgba(14,15,17,.88));}
.hero__grid{
  position:absolute;inset:0;opacity:.06;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:48px 48px;
}
.hero__inner{position:relative;z-index:2;max-width:820px;}
.crumb{font-size:13px;color:#B9B9B2;margin-bottom:var(--s24);letter-spacing:.01em;}
.crumb a:hover{color:var(--lime);}
.crumb span{margin:0 6px;color:#5C5C57;}
.hero__badge{
  display:inline-flex;align-items:center;gap:var(--s8);
  border:1px solid rgba(200,255,46,.5);color:var(--lime);
  font-size:13px;font-weight:700;padding:6px 14px;border-radius:var(--r-chip);
  margin-bottom:var(--s24);
}
.hero h1{
  font-size:clamp(34px,6vw,68px);font-weight:900;letter-spacing:-.02em;line-height:1.06;
  margin-bottom:var(--s24);
}
.hero h1 em{font-style:normal;color:var(--lime);}
.hero__lead{font-size:17px;line-height:1.85;color:#D6D6CF;max-width:700px;margin-bottom:var(--s32);}
.hero__actions{display:flex;flex-wrap:wrap;gap:var(--s16);margin-bottom:var(--s48);}
.hero__trust{
  display:flex;flex-wrap:wrap;gap:var(--s24);
  padding-top:var(--s24);border-top:1px dashed rgba(255,255,255,.22);
}
.hero__trust li{font-size:14px;color:#C7C7C0;display:flex;align-items:center;gap:var(--s8);}
.hero__trust li::before{content:"";width:6px;height:6px;background:var(--lime);border-radius:50%;flex:0 0 auto;}

/* 数据条 */
.stats{
  position:relative;z-index:2;margin-top:var(--s64);
  background:var(--graphite);border:1px solid rgba(255,255,255,.10);border-radius:var(--r-card);
  display:grid;grid-template-columns:repeat(4,1fr);overflow:hidden;
}
.stat{padding:var(--s24);border-right:1px solid rgba(255,255,255,.10);}
.stat:last-child{border-right:none;}
.stat b{display:block;font-size:clamp(24px,3vw,34px);font-weight:800;color:var(--lime);line-height:1.1;letter-spacing:-.01em;}
.stat span{display:block;font-size:13px;color:#9E9E97;margin-top:var(--s8);}

/* 锚点条 */
.anchors{
  position:sticky;top:56px;z-index:40;background:var(--paper);
  border-bottom:1px solid var(--line);padding:var(--s12) 0;
}
.anchors__list{display:flex;gap:var(--s8);overflow-x:auto;scrollbar-width:none;}
.anchors__list::-webkit-scrollbar{display:none;}
.anchors__list a{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--r-chip);
  font-size:14px;font-weight:600;color:var(--mist);border:1px solid var(--line);white-space:nowrap;
  transition:all .18s ease;
}
.anchors__list a:hover{color:var(--ink);border-color:var(--ink);transform:translateY(-1px);}
.anchors__list a strong{color:var(--lime-text);font-weight:800;font-size:12px;}

/* 板块 */
.section{padding:var(--s96) 0;}
.section--tight{padding:var(--s64) 0;}
.section--dark{background:var(--ink);color:#fff;}
.section__head{max-width:760px;margin-bottom:var(--s48);}
.section__num{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.16em;
  color:var(--lime-text);margin-bottom:var(--s12);
}
.section--dark .section__num{color:var(--lime);}
.section__head h2{
  font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.2;letter-spacing:-.01em;
  padding-left:var(--s16);border-left:8px solid var(--lime-dark);margin-bottom:var(--s16);
}
.section--dark .section__head h2{border-left-color:var(--lime);}
.section__head p{color:var(--mist);font-size:16px;line-height:1.85;}
.section--dark .section__head p{color:#B4B4AD;}

/* 维度卡片 */
.grid-dims{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s24);}
.dim{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:var(--s32);box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.dim:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-color:#CFCFC8;}
.dim__ico{
  width:44px;height:44px;border-radius:12px;background:var(--lime);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:16px;color:var(--ink);margin-bottom:var(--s24);
  border:1px solid var(--lime-dark);
}
.dim h3{font-size:20px;font-weight:700;margin-bottom:var(--s12);line-height:1.3;}
.dim p{font-size:15px;color:var(--mist);line-height:1.8;margin-bottom:var(--s16);}
.tags{display:flex;flex-wrap:wrap;gap:var(--s8);}
.tag{
  font-size:12px;font-weight:700;color:var(--graphite);
  background:#F1F0EA;border:1px solid var(--line);
  padding:4px 10px;border-radius:var(--r-chip);
}
.tag--lime{background:rgba(200,255,46,.28);border-color:var(--lime-dark);color:#4E6E00;}

/* 图文分区 */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:var(--s64);align-items:center;}
.split--reverse .split__media{order:2;}
.media{
  border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);
  background:#EDECE6;box-shadow:var(--sh1);
}
.media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .4s ease;}
.media:hover img{transform:scale(1.03);}
.split h3{font-size:clamp(22px,2.4vw,30px);font-weight:800;line-height:1.25;margin-bottom:var(--s16);}
.split p{color:var(--mist);line-height:1.85;margin-bottom:var(--s24);}
.checklist li{
  display:flex;gap:var(--s12);font-size:15px;line-height:1.8;
  padding:var(--s12) 0;border-bottom:1px dashed var(--line);color:var(--graphite);
}
.checklist li:last-child{border-bottom:none;}
.checklist li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;
  background:var(--lime-dark);border-radius:2px;
}

/* 横向场景分区 */
.scenes{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s24);}
.scene{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--ink);
  border-radius:var(--r-card);padding:var(--s32);box-shadow:var(--sh1);
  transition:transform .2s ease,box-shadow .2s ease,border-left-color .2s ease;
}
.scene:hover{transform:translateY(-2px);box-shadow:var(--sh2);border-left-color:var(--lime-dark);}
.scene__time{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--orange);margin-bottom:var(--s16);}
.scene h3{font-size:19px;font-weight:700;margin-bottom:var(--s12);}
.scene p{font-size:15px;color:var(--mist);line-height:1.8;}

/* 对比要点（本页差异模块） */
.compare{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--s32);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:var(--s32);box-shadow:var(--sh1);
}
.compare__col h3{
  font-size:18px;font-weight:800;padding-bottom:var(--s12);margin-bottom:var(--s16);
  border-bottom:2px solid var(--line);display:flex;align-items:center;gap:var(--s8);
}
.compare__col--main h3{border-bottom-color:var(--lime-dark);}
.compare__col--main h3::before{
  content:"";width:10px;height:10px;background:var(--lime-dark);border-radius:2px;
}
.compare__col--base h3::before{
  content:"";width:10px;height:10px;background:#C9C9C2;border-radius:2px;
}
.compare__col li{
  display:flex;gap:var(--s12);font-size:15px;line-height:1.8;
  padding:var(--s12) 0;border-bottom:1px dashed var(--line);color:var(--graphite);
}
.compare__col li:last-child{border-bottom:none;}
.compare__col--main li::before{
  content:"＋";flex:0 0 auto;color:var(--lime-text);font-weight:800;
}
.compare__col--base li::before{
  content:"－";flex:0 0 auto;color:#B2B2AB;font-weight:800;
}
.compare__note{
  grid-column:1 / -1;margin-top:var(--s8);font-size:13px;color:var(--mist);
  padding-top:var(--s16);border-top:1px solid var(--line);
}

/* CTA 通栏 */
.cta{
  background:var(--ink);color:#fff;border-radius:var(--r-card);
  padding:var(--s64);position:relative;overflow:hidden;
  display:grid;grid-template-columns:1.4fr 1fr;gap:var(--s48);align-items:center;
}
.cta::before{
  content:"";position:absolute;inset:0;opacity:.06;
  background-image:repeating-linear-gradient(45deg,rgba(255,255,255,.9) 0 1px,transparent 1px 12px);
}
.cta__body{position:relative;z-index:2;}
.cta h2{font-size:clamp(24px,3vw,38px);font-weight:800;line-height:1.2;margin-bottom:var(--s16);}
.cta p{color:#B7B7B0;line-height:1.85;max-width:560px;}
.cta__actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:var(--s12);}

/* 页脚 */
.site-footer{background:var(--ink);color:#C9C9C2;padding:var(--s64) 0 var(--s24);margin-top:var(--s96);}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:var(--s48);padding-bottom:var(--s48);}
.footer__brand .logo{color:#fff;border-bottom-color:var(--lime);}
.footer__brand p{font-size:14px;line-height:1.85;color:#9E9E97;margin:var(--s16) 0 var(--s24);max-width:360px;}
.footer__badges{display:flex;flex-wrap:wrap;gap:var(--s8);}
.footer__badges span{
  font-size:12px;font-weight:700;color:var(--lime);
  border:1px solid rgba(200,255,46,.4);border-radius:var(--r-chip);padding:4px 10px;
}
.footer__col h3{font-size:15px;font-weight:800;color:#fff;margin-bottom:var(--s16);}
.footer__col ul li{margin-bottom:var(--s12);}
.footer__col a,.footer__col p{font-size:14px;color:#9E9E97;line-height:1.9;transition:color .18s ease;}
.footer__col a:hover{color:var(--lime);}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.10);padding-top:var(--s24);
  display:flex;flex-wrap:wrap;gap:var(--s16);justify-content:space-between;align-items:center;
  font-size:13px;color:#7C7C76;
}
.footer__bottom nav{display:flex;flex-wrap:wrap;gap:var(--s16);}
.footer__bottom nav a:hover{color:var(--lime);}

/* 动效 */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .32s ease-out,transform .32s ease-out;}
.reveal.is-in{opacity:1;transform:none;}

/* 响应式 */
@media (max-width:1279px){
  .footer__grid{grid-template-columns:1.4fr 1fr 1fr;gap:var(--s32);}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .section--tight{padding:56px 0;}
  .grid-dims{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:var(--s32);}
  .split--reverse .split__media{order:0;}
  .scenes{grid-template-columns:1fr;}
  .cta{grid-template-columns:1fr;padding:var(--s48) var(--s32);}
  .footer__grid{grid-template-columns:1fr 1fr;}
  .hero{padding:72px 0 48px;}
  .stat{padding:var(--s16);}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .nav{display:none;}
  .header__cta{display:none;}
  .burger{display:flex;margin-left:auto;}
  .notice__text{font-size:12px;}
  .section{padding:56px 0;}
  .section--tight{padding:48px 0;}
  .grid-dims{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;gap:var(--s24);padding:var(--s24);}
  .stats{grid-template-columns:1fr 1fr;margin-top:var(--s48);}
  .stat{border-bottom:1px solid rgba(255,255,255,.10);}
  .stat:nth-child(2n){border-right:none;}
  .stat:nth-child(n+3){border-bottom:none;}
  .hero__trust{flex-direction:column;gap:var(--s12);}
  .anchors{top:56px;}
  .footer__grid{grid-template-columns:1fr;gap:var(--s32);}
  .site-footer{padding-top:var(--s48);margin-top:var(--s64);}
  .cta__actions .btn{width:100%;}
}
@media (max-width:420px){
  .hero h1{font-size:30px;}
  .hero__actions{gap:var(--s12);}
  .hero__actions .btn{width:100%;}
  .dim,.scene{padding:var(--s24);}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important;}
  .reveal{opacity:1;transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category3 */
:root{
  --lime:#C8FF2E;
  --lime-dark:#9BD400;
  --lime-ink:#6E9A00;
  --orange:#FF5A2B;
  --ink:#0E0F11;
  --graphite:#1A1C1F;
  --mist:#6B6F76;
  --line:#E6E6E2;
  --line-strong:#D6D4CB;
  --paper:#FAF9F6;
  --tint:#F3F1EA;
  --white:#FFFFFF;
  --ok:#2FA36B;
  --err:#E0413A;
  --r-card:14px;
  --r-btn:10px;
  --r-chip:999px;
  --r-img:12px;
  --r-input:10px;
  --sh1:0 1px 2px rgba(14,15,17,.06);
  --sh2:0 12px 32px rgba(14,15,17,.10);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:96px;--sp-10:120px;
  --container:1240px;
  --mono:ui-monospace,SFMono-Regular,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:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.75;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-header.is-compact{border-bottom-color:var(--line-strong);box-shadow:0 4px 18px rgba(14,15,17,.05)}
.notice{background:var(--ink);color:#fff;font-size:13.5px;line-height:36px;height:36px;overflow:hidden}
.notice__inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.notice p{margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.notice__close{width:28px;height:28px;border-radius:50%;color:#fff;font-size:18px;line-height:1;display:flex;align-items:center;justify-content:center;transition:background .2s}
.notice__close:hover{background:rgba(255,255,255,.16)}
.header__inner{display:flex;align-items:center;gap:32px;height:72px;transition:height .24s ease}
.site-header.is-compact .header__inner{height:56px}
.logo{font-size:21px;font-weight:900;letter-spacing:-.01em;display:inline-flex;align-items:baseline;gap:3px;white-space:nowrap}
.logo span{font-size:13.5px;font-weight:700;color:var(--lime-ink);letter-spacing:0}
.nav{display:flex;align-items:center;gap:8px;flex:1;justify-content:center}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:var(--r-chip);
  font-size:14.5px;font-weight:600;color:var(--ink);border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
  white-space:nowrap;
}
.chip:hover{background:#EFEDE6}
.chip.is-active{background:var(--lime);border-color:var(--ink)}
.header__actions{display:flex;align-items:center;gap:12px;flex:none}
.burger{display:none;width:44px;height:44px;border:1.5px solid var(--ink);border-radius:10px;flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:background .2s}
.burger:hover{background:#EFEDE6}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
.drawer{
  position:fixed;top:0;right:0;width:min(330px,86vw);height:100%;z-index:90;
  background:var(--paper);border-left:1.5px solid var(--ink);
  transform:translateX(101%);transition:transform .3s ease;
  padding:96px 24px 40px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer__links{display:flex;flex-direction:column;gap:10px;margin-bottom:28px}
.drawer .chip{height:46px;justify-content:flex-start;border-color:var(--line-strong);border-radius:10px;font-size:15.5px}
.drawer .chip.is-active{border-color:var(--ink);background:var(--lime)}
.drawer__mask{position:fixed;inset:0;background:rgba(14,15,17,.45);z-index:80;opacity:0;pointer-events:none;transition:opacity .3s}
.drawer__mask.is-open{opacity:1;pointer-events:auto}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:52px;padding:0 28px;border-radius:var(--r-btn);
  font-size:16px;font-weight:700;border:1.5px solid transparent;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--lime);color:var(--ink);border-color:var(--ink);box-shadow:4px 4px 0 var(--ink)}
.btn--primary:hover{background:var(--lime-dark);transform:translate(-2px,-2px);box-shadow:6px 6px 0 var(--ink)}
.btn--primary:active{transform:translate(3px,3px);box-shadow:0 0 0 var(--ink)}
.btn--outline{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--outline:hover{background:var(--ink);color:#fff}
.btn--ghost{background:transparent;border-color:rgba(255,255,255,.68);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn--sm{height:42px;padding:0 18px;font-size:14.5px;box-shadow:3px 3px 0 var(--ink)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--ink);color:#fff;overflow:hidden}
.hero__bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero__bg::after{content:"";position:absolute;inset:0;background:rgba(14,15,17,.72)}
.hero__grid{
  position:absolute;inset:0;z-index:1;
  background-image:
    repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 64px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.06) 0 1px,transparent 1px 64px);
}
.hero__inner{position:relative;z-index:2;padding:96px 0 64px;max-width:860px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);
  font-size:12.5px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--lime);border:1px solid rgba(200,255,46,.45);border-radius:var(--r-chip);
  padding:6px 14px;margin-bottom:24px;
}
.hero h1{
  font-size:clamp(34px,5.4vw,66px);font-weight:900;line-height:1.06;letter-spacing:-.02em;
}
.hero__sub{margin-top:24px;font-size:17.5px;line-height:1.8;color:rgba(255,255,255,.82);max-width:720px}
.hero__cta{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px}
.hero__trust{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:44px;
  padding-top:24px;border-top:1px dashed rgba(255,255,255,.3);
}
.hero__trust li{font-size:14px;color:rgba(255,255,255,.75);position:relative;padding-left:18px}
.hero__trust li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--lime);
}
.hero__stats{position:relative;z-index:2;border-top:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04)}
.hero__stats-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:24px 0 26px;border-left:1px solid rgba(255,255,255,.14);padding-left:24px}
.stat:first-child{border-left:0;padding-left:0}
.stat__num{display:block;font-size:30px;font-weight:800;line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums}
.stat__label{display:block;margin-top:6px;font-size:13px;color:rgba(255,255,255,.66)}

/* ---------- anchor bar ---------- */
.anchorbar{background:var(--white);border-bottom:1px solid var(--line)}
.anchorbar__inner{display:flex;align-items:center;gap:20px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.anchorbar__inner::-webkit-scrollbar{display:none}
.anchorbar__label{font-family:var(--mono);font-size:12.5px;letter-spacing:.12em;color:var(--mist);flex:none;text-transform:uppercase}
.anchorbar__links{display:flex;gap:8px;flex:none}
.chip--ghost{border-color:var(--line-strong);font-size:14px;height:34px;padding:0 14px}
.chip--ghost:hover{border-color:var(--ink);background:var(--tint)}

/* ---------- sections ---------- */
.section{padding:var(--sp-9) 0}
.section--tint{background:var(--tint)}
.section__head{display:flex;gap:20px;align-items:flex-start;margin-bottom:var(--sp-7);max-width:860px}
.section__no{
  flex:none;margin-top:8px;font-family:var(--mono);font-size:13px;font-weight:700;
  color:var(--lime-ink);border:1.5px solid var(--ink);border-radius:var(--r-chip);
  padding:4px 12px;line-height:1.2;
}
.section__title{font-size:clamp(26px,3.2vw,42px);font-weight:800;line-height:1.2;letter-spacing:-.01em}
.section__desc{margin-top:14px;color:var(--mist);font-size:16px;max-width:760px}

/* ---------- tier list ---------- */
.tiers-layout{display:grid;grid-template-columns:1.55fr .85fr;gap:32px;align-items:start}
.tier{
  display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:24px;
  padding:26px 30px;background:var(--white);border:1.5px solid var(--ink);border-radius:var(--r-card);
  box-shadow:var(--sh1);transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.tier+.tier{margin-top:14px}
.tier:hover{transform:translateY(-2px);box-shadow:var(--sh2);background:#FFFDF4}
.tier__no{font-family:var(--mono);font-size:22px;font-weight:800;color:var(--lime-ink);line-height:1}
.tier__main h3{font-size:20px;font-weight:700;line-height:1.3}
.tier__main p{margin-top:6px;font-size:15px;color:var(--mist);line-height:1.75}
.tier__side{display:flex;flex-direction:column;align-items:flex-end;gap:8px}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-chip);
  font-size:12.5px;font-weight:700;border:1px solid var(--ink);background:var(--white);
}
.badge--lime{background:var(--lime)}
.badge--muted{background:var(--tint);border-color:var(--line-strong);color:var(--mist)}
.badge--orange{background:rgba(255,90,43,.12);border-color:var(--orange);color:#B83A16}
.tier__price{font-family:var(--mono);font-size:14px;color:var(--mist);font-variant-numeric:tabular-nums}

.side-card{
  background:var(--white);border:1.5px solid var(--ink);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh1);
}
.side-card__img{aspect-ratio:16/10;overflow:hidden;background:var(--tint)}
.side-card__img img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.side-card:hover .side-card__img img{transform:scale(1.03)}
.side-card__body{padding:24px}
.side-card__body h3{font-size:18px;font-weight:700;line-height:1.35}
.side-card__body p{margin-top:10px;font-size:14.5px;color:var(--mist);line-height:1.75}
.side-card__list{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.side-card__list li{font-size:14.5px;padding-left:18px;position:relative;color:var(--graphite)}
.side-card__list li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:1.5px;background:var(--lime-ink)}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:8px}
.flow::before{
  content:"";position:absolute;left:40px;right:40px;top:32px;border-top:2px dashed rgba(14,15,17,.22);
}
.flow__step{position:relative;padding-top:0}
.flow__num{
  position:relative;z-index:1;width:64px;height:64px;border-radius:50%;
  background:var(--lime);border:1.5px solid var(--ink);display:flex;align-items:center;justify-content:center;
  font-family:var(--mono);font-size:18px;font-weight:800;
}
.flow__step h3{margin-top:22px;font-size:19px;font-weight:700;line-height:1.35}
.flow__step p{margin-top:8px;font-size:15px;color:var(--mist);line-height:1.75}

/* ---------- assurance ---------- */
.assure{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center}
.assure__figure{border-radius:var(--r-img);overflow:hidden;border:1.5px solid var(--ink);background:var(--tint);box-shadow:var(--sh1)}
.assure__figure img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .4s ease}
.assure__figure:hover img{transform:scale(1.03)}
.assure__list{display:flex;flex-direction:column;gap:18px;margin-top:28px}
.assure__item{display:grid;grid-template-columns:auto 1fr;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line-strong)}
.assure__item:last-child{border-bottom:0;padding-bottom:0}
.assure__k{font-family:var(--mono);font-size:15px;font-weight:800;color:var(--lime-ink);font-variant-numeric:tabular-nums;padding-top:2px}
.assure__item h3{font-size:17.5px;font-weight:700}
.assure__item p{margin-top:6px;font-size:14.5px;color:var(--mist);line-height:1.75}

/* ---------- timeline ---------- */
.timeline-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.timeline{position:relative;padding-left:4px}
.timeline::before{
  content:"";position:absolute;left:9px;top:10px;bottom:10px;width:2px;
  background:repeating-linear-gradient(180deg,var(--ink) 0 6px,transparent 6px 13px);opacity:.32;
}
.timeline__item{position:relative;padding-left:44px;padding-bottom:36px}
.timeline__item:last-child{padding-bottom:0}
.timeline__item::before{
  content:"";position:absolute;left:0;top:6px;width:20px;height:20px;border-radius:50%;
  background:var(--lime);border:2px solid var(--ink);
}
.timeline__time{font-family:var(--mono);font-size:12.5px;letter-spacing:.1em;color:var(--mist);text-transform:uppercase}
.timeline__item h3{margin-top:8px;font-size:19px;font-weight:700;line-height:1.35}
.timeline__item p{margin-top:8px;font-size:15px;color:var(--mist);line-height:1.78}

/* ---------- faq ---------- */
.faq{max-width:900px;margin:0 auto}
.faq__item{
  background:var(--white);border:1.5px solid var(--line-strong);border-radius:var(--r-card);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq__item:hover{border-color:var(--ink)}
.faq__item.is-open{border-color:var(--ink);box-shadow:var(--sh1)}
.faq__q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;text-align:left;font-size:18px;font-weight:700;line-height:1.45;
}
.faq__icon{
  flex:none;width:26px;height:26px;border-radius:50%;border:1.5px solid var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;
  transition:transform .25s ease,background .25s ease;
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--lime)}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq__a-inner{
  margin:0 24px 24px;padding:4px 0 4px 20px;border-left:2px solid var(--lime);
  font-size:15.5px;line-height:1.8;color:var(--mist);
}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--ink);color:#fff;border-radius:20px;padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.05) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.cta-band__text{position:relative;z-index:1;max-width:620px}
.cta-band__text h2{font-size:clamp(24px,2.6vw,34px);font-weight:800;line-height:1.25;letter-spacing:-.01em}
.cta-band__text p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.78);line-height:1.8}
.cta-band__actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:14px;flex:none}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#fff;padding:72px 0 32px;margin-top:0}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:48px}
.site-footer .logo{color:#fff}
.site-footer .logo span{color:var(--lime)}
.footer__brand p{margin-top:18px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.7);max-width:340px}
.footer__badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.footer__badges span{
  font-size:12.5px;padding:5px 12px;border-radius:var(--r-chip);
  border:1px solid rgba(255,255,255,.28);color:rgba(255,255,255,.8);
}
.footer__col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer__col ul{display:flex;flex-direction:column;gap:12px}
.footer__col a{font-size:14.5px;color:rgba(255,255,255,.7);transition:color .2s ease,padding-left .2s ease}
.footer__col a:hover{color:var(--lime);padding-left:4px}
.footer__col p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.7)}
.footer__bottom{
  margin-top:56px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.footer__bottom p{font-size:13.5px;color:rgba(255,255,255,.55)}
.footer__bottom nav{display:flex;flex-wrap:wrap;gap:18px}
.footer__bottom nav a{font-size:13.5px;color:rgba(255,255,255,.6);transition:color .2s}
.footer__bottom nav a:hover{color:var(--lime)}

/* ---------- reveal ---------- */
.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}
  .btn,.chip,.tier,.side-card__img img,.assure__figure img{transition:none}
  .btn--primary:hover{transform:none}
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .section{padding:84px 0}
  .assure{gap:36px}
}
@media (max-width:1023px){
  .nav{display:none}
  .burger{display:flex}
  .header__inner{gap:16px}
  .header__actions .btn{display:none}
  .section{padding:72px 0}
  .tiers-layout{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr);gap:28px}
  .flow::before{display:none}
  .assure{grid-template-columns:1fr;gap:32px}
  .timeline-wrap{grid-template-columns:1fr;gap:40px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px}
}
@media (max-width:767px){
  body{font-size:16px}
  .container{padding:0 20px}
  .hero__inner{padding:64px 0 48px}
  .hero__trust{gap:16px;flex-direction:column}
  .hero__stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat{padding:18px 0;border-left:0;border-top:1px solid rgba(255,255,255,.14);padding-left:0}
  .stat:nth-child(1),.stat:nth-child(2){border-top:0}
  .stat:nth-child(even){padding-left:20px;border-left:1px solid rgba(255,255,255,.14)}
  .section{padding:56px 0}
  .section__head{flex-direction:column;gap:12px;margin-bottom:32px}
  .section__no{margin-top:0}
  .tier{grid-template-columns:1fr;gap:12px;padding:22px}
  .tier__side{flex-direction:row;align-items:center;justify-content:space-between;width:100%}
  .flow{grid-template-columns:1fr;gap:24px}
  .footer__grid{grid-template-columns:1fr;gap:32px}
  .cta-band{padding:32px 24px;border-radius:16px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{flex:1;min-width:140px}
  .faq__q{font-size:16.5px;padding:18px 18px}
  .faq__a-inner{margin:0 18px 20px;padding-left:16px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:420px){
  .logo{font-size:18.5px}
  .logo span{font-size:12px}
  .hero h1{font-size:30px}
  .btn{height:48px;padding:0 20px;font-size:15px}
  .stat__num{font-size:24px}
}