/* roulang page: index */
:root{
  --bg:#07111f;
  --bg-2:#0c1830;
  --bg-3:#0f1d3d;
  --surface:rgba(13, 24, 47, .72);
  --surface-strong:rgba(8, 16, 31, .88);
  --surface-soft:rgba(255,255,255,.78);
  --card:rgba(17, 31, 60, .68);
  --card-2:rgba(21, 39, 71, .78);
  --line:rgba(173, 194, 255, .14);
  --line-strong:rgba(173, 194, 255, .22);
  --text:#eef4ff;
  --muted:#a9b7d5;
  --muted-2:#7f8ead;
  --dark:#09101d;
  --brand:#63f5ff;
  --brand-2:#7d77ff;
  --brand-3:#75f1be;
  --warning:#f6d36b;
  --shadow:0 26px 70px rgba(0, 0, 0, .34);
  --shadow-soft:0 12px 40px rgba(0, 0, 0, .18);
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:16px;
  --radius-sm:12px;
  --header-h:84px;
  --container:1320px;
  --gap:24px;
}

*,
*::before,
*::after{
  box-sizing:border-box;
}

html{
  scroll-behavior:smooth;
}

body{
  margin:0;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", sans-serif;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(circle at 12% 18%, rgba(98, 245, 255, .10), transparent 24%),
    radial-gradient(circle at 84% 10%, rgba(125, 119, 255, .13), transparent 22%),
    radial-gradient(circle at 74% 74%, rgba(117, 241, 190, .09), transparent 20%),
    linear-gradient(180deg, #060d19 0%, #081221 28%, #0b1527 100%);
  min-height:100vh;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(135deg, rgba(255,255,255,.03), transparent 35%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.022) 0, rgba(255,255,255,.022) 1px, transparent 1px, transparent 5px);
  opacity:.26;
  mix-blend-mode:soft-light;
}

img{
  max-width:100%;
  display:block;
}

a{
  color:inherit;
  text-decoration:none;
}

button,
input,
textarea,
select{
  font:inherit;
}

button{
  border:0;
  background:none;
  color:inherit;
  cursor:pointer;
}

input{
  color:inherit;
}

::selection{
  background:rgba(99,245,255,.28);
  color:#fff;
}

.container{
  width:min(var(--container), calc(100% - 32px));
  margin:0 auto;
}

.page-shell{
  position:relative;
  z-index:1;
}

.site-header{
  position:sticky;
  top:0;
  z-index:40;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background:rgba(248, 250, 255, .86);
  color:#0d1730;
  border-bottom:1px solid rgba(140, 160, 205, .18);
  box-shadow:0 8px 28px rgba(13, 23, 47, .08);
  transition:padding .25s ease, box-shadow .25s ease, background .25s ease;
}

.site-header.is-scrolled{
  background:rgba(247, 249, 255, .92);
  box-shadow:0 12px 34px rgba(13, 23, 47, .12);
}

.header-inner{
  min-height:var(--header-h);
  display:flex;
  align-items:center;
  gap:18px;
  padding:14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
  min-width:0;
}

.brand-mark{
  width:44px;
  height:44px;
  display:grid;
  place-items:center;
  border-radius:14px;
  color:#fff;
  background:
    linear-gradient(145deg, rgba(99,245,255,.98), rgba(125,119,255,.96));
  box-shadow:0 12px 28px rgba(96, 132, 255, .34);
  font-weight:800;
  font-size:18px;
}

.brand strong{
  display:block;
  font-size:18px;
  letter-spacing:.04em;
  line-height:1.15;
}

.brand small{
  display:block;
  margin-top:2px;
  color:#55647f;
  font-size:12px;
  letter-spacing:.02em;
}

.site-nav{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:10px;
  flex:1 1 auto;
  min-width:0;
}

.nav-link{
  position:relative;
  padding:11px 14px;
  border-radius:999px;
  color:#31405f;
  font-weight:600;
  transition:background .2s ease, color .2s ease, transform .2s ease, box-shadow .2s ease;
}

.nav-link:hover,
.nav-link:focus-visible{
  background:rgba(99,245,255,.08);
  color:#0d1730;
  transform:translateY(-1px);
  outline:none;
}

.nav-link.active{
  background:linear-gradient(145deg, rgba(99,245,255,.18), rgba(125,119,255,.18));
  color:#09101d;
  box-shadow:inset 0 0 0 1px rgba(99,245,255,.18);
}

.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
  margin-left:auto;
}

.search-form{
  display:flex;
  align-items:center;
  gap:8px;
  min-width:min(360px, 36vw);
  padding:8px 10px 8px 14px;
  border:1px solid rgba(128, 144, 177, .18);
  border-radius:999px;
  background:rgba(255,255,255,.74);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.58);
}

.search-form svg{
  width:17px;
  height:17px;
  color:#6d7a95;
  flex:0 0 auto;
}

.search-form input{
  border:0;
  outline:none;
  background:transparent;
  width:100%;
  color:#18243f;
}

.search-form input::placeholder{
  color:#7c8aa6;
}

.search-form button{
  flex:0 0 auto;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  min-height:44px;
  padding:0 18px;
  border-radius:999px;
  font-weight:700;
  letter-spacing:.02em;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease, opacity .2s ease;
  user-select:none;
}

.btn:hover{
  transform:translateY(-1px);
}

.btn:active{
  transform:translateY(0);
}

.btn:focus-visible{
  outline:2px solid rgba(99,245,255,.6);
  outline-offset:3px;
}

.btn-primary{
  color:#02111a;
  background:linear-gradient(135deg, #62f4ff, #8ef3ce);
  box-shadow:0 16px 34px rgba(99,245,255,.26), 0 0 0 1px rgba(255,255,255,.14) inset;
}

.btn-primary:hover{
  box-shadow:0 20px 42px rgba(99,245,255,.32), 0 0 0 1px rgba(255,255,255,.18) inset;
}

.btn-secondary{
  color:#eef4ff;
  border:1px solid rgba(99,245,255,.28);
  background:linear-gradient(135deg, rgba(15, 28, 58, .84), rgba(19, 37, 72, .74));
  box-shadow:0 14px 30px rgba(3, 8, 18, .22), inset 0 1px 0 rgba(255,255,255,.06);
}

.btn-secondary:hover{
  border-color:rgba(99,245,255,.44);
  box-shadow:0 18px 36px rgba(3, 8, 18, .28), 0 0 0 1px rgba(99,245,255,.12) inset;
}

.btn-ghost{
  color:#0d1730;
  background:rgba(255,255,255,.72);
  border:1px solid rgba(140, 160, 205, .22);
}

.btn-ghost:hover{
  background:rgba(255,255,255,.9);
}

.btn-small{
  min-height:40px;
  padding:0 16px;
  font-size:14px;
}

.menu-toggle{
  display:none;
  width:46px;
  height:46px;
  border-radius:14px;
  border:1px solid rgba(140, 160, 205, .22);
  background:rgba(255,255,255,.84);
  box-shadow:0 10px 22px rgba(13, 23, 47, .08);
}

.menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  margin:4px auto;
  border-radius:999px;
  background:#1d2b48;
  transition:transform .2s ease, opacity .2s ease;
}

.mobile-panel{
  display:none;
  border-top:1px solid rgba(140, 160, 205, .14);
  background:rgba(248, 250, 255, .94);
  color:#0d1730;
}

.mobile-panel.is-open{
  display:block;
}

.mobile-panel-inner{
  padding:14px 0 18px;
}

.mobile-links{
  display:grid;
  gap:8px;
}

.mobile-link{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:12px 14px;
  border-radius:16px;
  background:rgba(9, 16, 29, .04);
  border:1px solid rgba(140, 160, 205, .18);
  font-weight:700;
}

.mobile-link.active{
  background:linear-gradient(145deg, rgba(99,245,255,.12), rgba(125,119,255,.12));
}

.mobile-actions{
  display:flex;
  gap:10px;
  margin-top:14px;
}

main{
  padding-bottom:120px;
}

.section{
  padding:92px 0;
  position:relative;
}

.section-tight{
  padding:72px 0;
}

.section-heading{
  max-width:760px;
  margin-bottom:28px;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  border:1px solid rgba(99,245,255,.22);
  background:rgba(99,245,255,.08);
  color:#d8fdff;
  font-size:13px;
  font-weight:700;
  letter-spacing:.04em;
  text-transform:none;
}

.eyebrow::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:linear-gradient(135deg, #62f4ff, #8ef3ce);
  box-shadow:0 0 18px rgba(99,245,255,.64);
}

.section-title{
  margin:16px 0 12px;
  font-size:clamp(30px, 4vw, 52px);
  line-height:1.08;
  letter-spacing:-.03em;
}

.section-desc{
  margin:0;
  color:var(--muted);
  font-size:16px;
  max-width:720px;
}

.hero{
  padding:34px 0 90px;
  min-height:calc(100vh - 90px);
  display:flex;
  align-items:center;
}

.hero-grid{
  display:grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  gap:28px;
  align-items:stretch;
}

.hero-copy{
  padding:28px 0 20px;
}

.hero-title{
  margin:18px 0 16px;
  font-size:clamp(40px, 5.8vw, 76px);
  line-height:1.02;
  letter-spacing:-.05em;
}

.hero-desc{
  max-width:660px;
  margin:0;
  color:#d5def2;
  font-size:18px;
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}

.hero-metrics{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
  margin-top:28px;
  max-width:640px;
}

.metric{
  padding:16px 16px 15px;
  border-radius:18px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(173, 194, 255, .12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.metric strong{
  display:block;
  font-size:22px;
  line-height:1.1;
}

.metric span{
  display:block;
  margin-top:6px;
  color:var(--muted);
  font-size:13px;
}

.glass-card{
  border-radius:var(--radius-xl);
  background:linear-gradient(180deg, rgba(17, 32, 60, .78), rgba(13, 24, 47, .70));
  border:1px solid rgba(173, 194, 255, .14);
  box-shadow:var(--shadow);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
}

.hero-panel{
  padding:22px;
  position:relative;
  overflow:hidden;
}

.hero-panel::before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(circle at 18% 18%, rgba(99,245,255,.16), transparent 20%),
    radial-gradient(circle at 84% 20%, rgba(125,119,255,.22), transparent 18%),
    radial-gradient(circle at 76% 86%, rgba(117,241,190,.14), transparent 16%);
  pointer-events:none;
}

.panel-top{
  position:relative;
  z-index:1;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}

.panel-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(99,245,255,.10);
  color:#dffeff;
  border:1px solid rgba(99,245,255,.16);
  font-size:13px;
  font-weight:700;
}

.panel-note{
  color:var(--muted);
  font-size:13px;
}

.bento-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
}

.bento-item{
  min-height:146px;
  padding:18px;
  border-radius:22px;
  border:1px solid rgba(173, 194, 255, .16);
  background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}

.bento-item h3{
  margin:0;
  font-size:18px;
  line-height:1.2;
}

.bento-item p{
  margin:10px 0 0;
  color:var(--muted);
  font-size:14px;
}

.bento-large{
  grid-column:span 7;
  min-height:216px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  background:
    linear-gradient(165deg, rgba(99,245,255,.18), rgba(125,119,255,.10)),
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
}

.bento-large .badge-line{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}

.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 10px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(173, 194, 255, .14);
  color:#eef4ff;
  font-size:12px;
  font-weight:700;
}

.badge svg{
  width:12px;
  height:12px;
}

.bento-stack{
  grid-column:span 5;
  display:grid;
  gap:14px;
}

.bento-slim{
  min-height:101px;
  display:flex;
  justify-content:space-between;
  gap:14px;
  align-items:center;
}

.bento-slim .copy{
  max-width:170px;
}

.bento-slim .score{
  font-size:34px;
  font-weight:800;
  letter-spacing:-.04em;
  color:#f6fbff;
}

.ribbon{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:14px 16px;
  border-radius:18px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(173, 194, 255, .14);
  margin-top:14px;
}

.ribbon strong{
  font-size:15px;
}

.ribbon span{
  color:var(--muted);
  font-size:13px;
}

.point-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:18px;
}

.point-card{
  padding:24px;
  position:relative;
  overflow:hidden;
}

.point-card::before{
  content:"";
  position:absolute;
  inset:auto -10% -26% auto;
  width:170px;
  height:170px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(99,245,255,.14), transparent 68%);
  pointer-events:none;
}

.point-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:14px;
}

.icon-box{
  width:44px;
  height:44px;
  border-radius:14px;
  display:grid;
  place-items:center;
  background:linear-gradient(145deg, rgba(99,245,255,.18), rgba(125,119,255,.10));
  border:1px solid rgba(99,245,255,.14);
  color:#dffeff;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.06);
}

.icon-box svg{
  width:20px;
  height:20px;
}

.point-card h3{
  margin:0;
  font-size:22px;
  line-height:1.15;
}

.point-card p{
  margin:0;
  color:var(--muted);
}

.point-tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin-top:16px;
}

.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:36px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(173, 194, 255, .12);
  color:#e9f0ff;
  font-size:13px;
  transition:transform .2s ease, background .2s ease, border-color .2s ease;
}

.chip:hover,
.chip:focus-visible{
  transform:translateY(-1px);
  background:rgba(99,245,255,.10);
  border-color:rgba(99,245,255,.22);
  outline:none;
}

.chip.active{
  background:linear-gradient(145deg, rgba(99,245,255,.20), rgba(125,119,255,.16));
  border-color:rgba(99,245,255,.25);
}

.scene-shell{
  padding:24px;
}

.tab-strip{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:18px;
}

.tab-btn{
  min-height:42px;
  padding:0 16px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  color:#dce6ff;
  border:1px solid rgba(173, 194, 255, .12);
  font-weight:700;
  transition:background .2s ease, transform .2s ease, border-color .2s ease;
}

.tab-btn:hover{
  transform:translateY(-1px);
  border-color:rgba(99,245,255,.24);
}

.tab-btn.active{
  background:linear-gradient(145deg, rgba(99,245,255,.20), rgba(125,119,255,.16));
  color:#fff;
}

.tab-panel{
  display:none;
  grid-template-columns:minmax(0, .92fr) minmax(0, 1.08fr);
  gap:18px;
  align-items:stretch;
}

.tab-panel.active{
  display:grid;
}

.tab-copy{
  padding:18px;
  border-radius:22px;
  background:rgba(255,255,255,.04);
  border:1px solid rgba(173, 194, 255, .12);
}

.tab-copy h3{
  margin:0 0 10px;
  font-size:26px;
}

.tab-copy p{
  margin:0;
  color:var(--muted);
}

.step-list{
  margin:18px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
}

.step-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  color:#e8efff;
  font-size:14px;
}

.step-list .dot{
  width:22px;
  height:22px;
  flex:0 0 auto;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:rgba(99,245,255,.12);
  color:#d8fdff;
  font-size:12px;
  font-weight:800;
  margin-top:1px;
}

.tab-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
}

.mini-card{
  padding:16px;
  border-radius:18px;
  border:1px solid rgba(173, 194, 255, .14);
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
}

.mini-card strong{
  display:block;
  font-size:16px;
}

.mini-card span{
  display:block;
  margin-top:8px;
  color:var(--muted);
  font-size:13px;
}

.bar{
  margin-top:12px;
  height:6px;
  border-radius:999px;
  background:rgba(255,255,255,.08);
  overflow:hidden;
}

.bar i{
  display:block;
  height:100%;
  border-radius:inherit;
  background:linear-gradient(90deg, #62f4ff, #7d77ff, #8ef3ce);
}

.proof-grid{
  display:grid;
  grid-template-columns:minmax(0, 1fr) minmax(0, .95fr);
  gap:18px;
  align-items:start;
}

.stats-wall{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:14px;
}

.stat-card{
  padding:22px;
  border-radius:22px;
  background:linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.03));
  border:1px solid rgba(173, 194, 255, .12);
}

.stat-card strong{
  display:block;
  font-size:34px;
  line-height:1.05;
}

.stat-card span{
  display:block;
  margin-top:8px;
  color:var(--muted);
  font-size:13px;
}

.quote-stack{
  display:grid;
  gap:14px;
}

.quote{
  padding:18px 20px;
  border-radius:20px;
  border:1px solid rgba(173, 194, 255, .12);
  background:rgba(255,255,255,.045);
}

.quote p{
  margin:0;
  color:#eaf1ff;
  font-size:15px;
}

.quote small{
  display:block;
  margin-top:10px;
  color:var(--muted);
}

.feed-grid{
  display:grid;
  grid-template-columns:minmax(0, 1.1fr) minmax(290px, .9fr);
  gap:18px;
  align-items:start;
}

.feed-list{
  display:grid;
  gap:12px;
}

.feed-item{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
  padding:16px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(173, 194, 255, .12);
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
}

.feed-item:hover{
  transform:translateY(-1px);
  border-color:rgba(99,245,255,.22);
  background:rgba(99,245,255,.06);
}

.feed-item h3{
  margin:0;
  font-size:17px;
  line-height:1.25;
}

.feed-item p{
  margin:6px 0 0;
  color:var(--muted);
  font-size:13px;
}

.feed-item .meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:#bfd0f2;
  font-size:13px;
}

.feed-item .arrow{
  width:28px;
  height:28px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(173, 194, 255, .12);
}

.feed-aside{
  padding:22px;
}

.aside-list{
  display:grid;
  gap:12px;
  margin-top:14px;
}

.aside-card{
  padding:15px 16px;
  border-radius:18px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(173, 194, 255, .12);
}

.aside-card strong{
  display:block;
  font-size:16px;
}

.aside-card p{
  margin:7px 0 0;
  color:var(--muted);
  font-size:13px;
}

.faq-grid{
  display:grid;
  gap:12px;
}

details.faq-item{
  border-radius:18px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(173, 194, 255, .12);
  overflow:hidden;
}

details.faq-item[open]{
  border-color:rgba(99,245,255,.18);
}

details.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  font-weight:700;
  outline:none;
}

details.faq-item summary::-webkit-details-marker{
  display:none;
}

details.faq-item summary span{
  flex:1;
}

.faq-icon{
  width:34px;
  height:34px;
  border-radius:50%;
  display:grid;
  place-items:center;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(173, 194, 255, .12);
  color:#cfe4ff;
  flex:0 0 auto;
  transition:transform .2s ease;
}

details.faq-item[open] .faq-icon{
  transform:rotate(45deg);
}

details.faq-item .answer{
  padding:0 18px 18px;
  color:var(--muted);
}

.cta-box{
  padding:28px;
  position:relative;
  overflow:hidden;
}

.cta-box::before{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 16% 14%, rgba(99,245,255,.14), transparent 28%),
    radial-gradient(circle at 85% 18%, rgba(125,119,255,.18), transparent 24%),
    radial-gradient(circle at 70% 90%, rgba(117,241,190,.12), transparent 20%);
  pointer-events:none;
}

.cta-inner{
  position:relative;
  z-index:1;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}

.cta-copy{
  max-width:700px;
}

.cta-copy h2{
  margin:0 0 10px;
  font-size:clamp(28px, 3vw, 42px);
  line-height:1.08;
}

.cta-copy p{
  margin:0;
  color:var(--muted);
}

.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:flex-end;
}

.site-footer{
  padding:46px 0 88px;
  border-top:1px solid rgba(173, 194, 255, .12);
  background:linear-gradient(180deg, rgba(6, 12, 22, .16), rgba(6, 12, 22, .34));
}

.footer-grid{
  display:grid;
  grid-template-columns:minmax(0, 1.1fr) minmax(0, .9fr) auto;
  gap:22px;
  align-items:start;
}

.footer-brand strong{
  display:block;
  font-size:20px;
  margin-bottom:6px;
}

.footer-brand p{
  margin:0;
  color:var(--muted);
  max-width:520px;
}

.footer-links{
  display:grid;
  gap:10px;
  justify-items:start;
}

.footer-links a{
  color:#dbe6ff;
}

.footer-links a:hover{
  color:#fff;
}

.footer-meta{
  color:var(--muted);
  text-align:right;
}

.sticky-cta{
  position:fixed;
  left:16px;
  right:16px;
  bottom:16px;
  z-index:45;
  padding:14px;
  border-radius:22px;
  background:rgba(11, 18, 34, .66);
  border:1px solid rgba(173, 194, 255, .16);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:0 20px 50px rgba(0,0,0,.38);
}

.sticky-cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
}

.sticky-copy{
  min-width:0;
}

.sticky-copy strong{
  display:block;
  font-size:15px;
}

.sticky-copy span{
  display:block;
  margin-top:4px;
  color:var(--muted);
  font-size:13px;
}

.sticky-actions{
  display:flex;
  gap:10px;
  flex-wrap:wrap;
}

.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:18px;
}

.status-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(173, 194, 255, .12);
  color:#dfe8ff;
  font-size:13px;
}

.status-pill i{
  width:8px;
  height:8px;
  border-radius:50%;
  background:linear-gradient(135deg, #62f4ff, #8ef3ce);
  box-shadow:0 0 14px rgba(99,245,255,.6);
  display:inline-block;
}

.filter-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  padding:18px;
  margin-bottom:18px;
}

.filter-row .chip{
  min-height:38px;
}

.content-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:16px;
}

.content-card{
  padding:20px;
  border-radius:22px;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid rgba(173, 194, 255, .12);
  min-height:188px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
  transition:transform .2s ease, border-color .2s ease, background .2s ease;
}

.content-card:hover{
  transform:translateY(-2px);
  border-color:rgba(99,245,255,.22);
  background:linear-gradient(180deg, rgba(99,245,255,.08), rgba(255,255,255,.03));
}

.content-card h3{
  margin:0 0 10px;
  font-size:20px;
  line-height:1.18;
}

.content-card p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}

.content-card .bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  margin-top:16px;
}

.content-card .bottom .tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:#d8fdff;
  font-size:12px;
  font-weight:700;
}

.content-card .bottom .tag::before{
  content:"";
  width:7px;
  height:7px;
  border-radius:50%;
  background:linear-gradient(135deg, #62f4ff, #8ef3ce);
  box-shadow:0 0 12px rgba(99,245,255,.6);
}

.content-card .bottom .meta{
  color:#b9c6e4;
  font-size:12px;
}

.compare-grid{
  display:grid;
  grid-template-columns:repeat(3, minmax(0, 1fr));
  gap:16px;
}

.compare-card{
  padding:22px;
  border-radius:24px;
  border:1px solid rgba(173, 194, 255, .12);
  background:rgba(255,255,255,.05);
}

.compare-card h3{
  margin:0 0 10px;
  font-size:24px;
}

.compare-card p{
  margin:0;
  color:var(--muted);
}

.compare-list{
  margin:16px 0 0;
  padding:0;
  list-style:none;
  display:grid;
  gap:10px;
}

.compare-list li{
  display:flex;
  gap:10px;
  color:#e9f1ff;
  font-size:14px;
}

.compare-list li::before{
  content:"";
  width:8px;
  height:8px;
  border-radius:50%;
  background:linear-gradient(135deg, #62f4ff, #7d77ff);
  margin-top:9px;
  flex:0 0 auto;
  box-shadow:0 0 12px rgba(99,245,255,.36);
}

.empty-state{
  display:none;
  margin-top:18px;
  padding:18px 20px;
  border-radius:18px;
  border:1px dashed rgba(173, 194, 255, .22);
  background:rgba(255,255,255,.04);
  color:var(--muted);
}

.is-hidden{
  display:none !important;
}

.page-category1 .hero-panel::before{
  background:
    radial-gradient(circle at 18% 18%, rgba(99,245,255,.13), transparent 20%),
    radial-gradient(circle at 84% 20%, rgba(125,119,255,.19), transparent 18%),
    radial-gradient(circle at 76% 86%, rgba(117,241,190,.12), transparent 16%);
}

.page-category2 .hero-panel::before{
  background:
    radial-gradient(circle at 18% 18%, rgba(99,245,255,.12), transparent 20%),
    radial-gradient(circle at 84% 20%, rgba(125,119,255,.24), transparent 18%),
    radial-gradient(circle at 76% 86%, rgba(117,241,190,.11), transparent 16%);
}

.page-category1 .content-card,
.page-category2 .content-card{
  min-height:178px;
}

@media (max-width: 1280px){
  .hero-grid{
    gap:22px;
  }
  .content-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
  .compare-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
  }
  .footer-meta{
    text-align:left;
  }
}

@media (max-width: 1024px){
  .site-nav{
    display:none;
  }
  .menu-toggle{
    display:inline-grid;
    place-items:center;
  }
  .header-inner{
    flex-wrap:wrap;
  }
  .search-form{
    min-width:0;
    flex:1 1 100%;
    order:4;
  }
  .hero{
    min-height:auto;
    padding-top:26px;
  }
  .hero-grid,
  .proof-grid,
  .feed-grid,
  .tab-panel,
  .cta-inner{
    grid-template-columns:1fr;
    display:grid;
  }
  .cta-actions{
    justify-content:flex-start;
  }
  .point-grid,
  .stats-wall,
  .tab-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
  .hero-metrics{
    max-width:none;
  }
  .bento-large{
    grid-column:span 12;
  }
  .bento-stack{
    grid-column:span 12;
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
  .bento-slim{
    min-height:126px;
  }
  .compare-grid{
    grid-template-columns:1fr;
  }
  .content-grid{
    grid-template-columns:repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px){
  :root{
    --header-h:76px;
  }
  .container{
    width:min(var(--container), calc(100% - 24px));
  }
  .site-header{
    position:sticky;
  }
  .header-inner{
    gap:12px;
  }
  .brand strong{
    font-size:16px;
  }
  .brand small{
    display:none;
  }
  .search-form{
    min-width:0;
    order:4;
    width:100%;
  }
  .header-actions{
    width:100%;
    flex-wrap:wrap;
  }
  .hero-title{
    font-size:clamp(36px, 10vw, 56px);
  }
  .hero-desc{
    font-size:16px;
  }
  .hero-metrics,
  .point-grid,
  .stats-wall,
  .tab-grid,
  .content-grid{
    grid-template-columns:1fr;
  }
  .hero-panel,
  .scene-shell,
  .cta-box{
    padding:18px;
  }
  .section{
    padding:72px 0;
  }
  .section-title{
    font-size:clamp(26px, 8vw, 40px);
  }
  .tab-panel{
    gap:14px;
  }
  .tab-copy h3{
    font-size:22px;
  }
  .site-footer{
    padding-bottom:108px;
  }
  .footer-grid{
    grid-template-columns:1fr;
  }
  .footer-meta{
    text-align:left;
  }
  .sticky-cta{
    left:12px;
    right:12px;
    bottom:12px;
    padding:12px;
  }
  .sticky-cta-inner{
    flex-direction:column;
    align-items:stretch;
  }
  .sticky-actions{
    display:grid;
    grid-template-columns:1fr 1fr;
  }
  .btn{
    width:auto;
  }
  .mobile-panel.is-open{
    display:block;
  }
  .mobile-actions{
    display:grid;
    grid-template-columns:1fr 1fr;
  }
  .mobile-link{
    font-size:14px;
  }
}

@media (max-width: 520px){
  .header-inner{
    align-items:flex-start;
  }
  .brand{
    margin-right:auto;
  }
  .search-form{
    padding:7px 10px 7px 12px;
  }
  .search-form button{
    padding:0 12px;
  }
  .hero{
    padding-bottom:70px;
  }
  .hero-actions,
  .cta-actions,
  .sticky-actions{
    grid-template-columns:1fr;
  }
  .hero-actions .btn,
  .cta-actions .btn,
  .sticky-actions .btn{
    width:100%;
  }
  .bento-grid{
    gap:12px;
  }
  .bento-item{
    padding:16px;
  }
  .bento-slim{
    min-height:112px;
    flex-direction:column;
    align-items:flex-start;
  }
  .panel-top{
    flex-direction:column;
    align-items:flex-start;
  }
  .feed-item{
    flex-direction:column;
    align-items:flex-start;
  }
  details.faq-item summary{
    align-items:flex-start;
  }
}

@media (max-width: 480px){
  .sticky-copy strong{
    font-size:14px;
  }
  .sticky-copy span,
  .section-desc,
  .hero-desc{
    font-size:14px;
  }
  .tab-strip,
  .badge-row,
  .point-tags{
    gap:8px;
  }
  .chip,
  .tab-btn{
    min-height:38px;
    padding:0 12px;
    font-size:12px;
  }
  .search-form{
    width:100%;
  }
}

/* roulang page: category1 */
:root {
      --bg: #06101f;
      --bg-deep: #020712;
      --panel: rgba(9, 25, 48, 0.76);
      --panel-soft: rgba(255, 255, 255, 0.08);
      --panel-strong: rgba(255, 255, 255, 0.13);
      --text: #eef6ff;
      --muted: #9fb2c9;
      --weak: #6f849d;
      --nav-text: #1b2940;
      --line: rgba(194, 219, 255, 0.18);
      --line-strong: rgba(133, 220, 255, 0.34);
      --cyan: #33d9ff;
      --cyan-soft: rgba(51, 217, 255, 0.18);
      --blue: #376dff;
      --indigo: #172a66;
      --white: #ffffff;
      --success: #6ef0b2;
      --warning: #ffd166;
      --radius-sm: 10px;
      --radius: 18px;
      --radius-lg: 26px;
      --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
      --shadow-soft: 0 18px 46px rgba(0, 0, 0, 0.22);
      --container: 1180px;
      --nav-h: 76px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      background: var(--bg-deep);
    }

    body {
      margin: 0;
      min-height: 100vh;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color: var(--text);
      line-height: 1.65;
      letter-spacing: 0;
      background:
        radial-gradient(circle at 18% 8%, rgba(55, 109, 255, 0.28), transparent 28%),
        radial-gradient(circle at 82% 18%, rgba(51, 217, 255, 0.18), transparent 26%),
        linear-gradient(145deg, #081a34 0%, #071326 44%, #020712 100%);
      overflow-x: hidden;
      padding-bottom: 88px;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: 0.16;
      background-image:
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
      background-size: 42px 42px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 78%);
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
    }

    img, svg {
      max-width: 100%;
      display: block;
    }

    button, input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    input {
      border: 0;
      outline: 0;
    }

    .container {
      width: min(var(--container), calc(100% - 48px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(255, 255, 255, 0.94);
      color: var(--nav-text);
      border-bottom: 1px solid rgba(18, 40, 72, 0.1);
      box-shadow: 0 10px 30px rgba(2, 15, 35, 0.08);
      backdrop-filter: blur(18px);
      transition: box-shadow 0.25s ease, background 0.25s ease;
    }

    .site-header.is-scrolled {
      background: rgba(255, 255, 255, 0.98);
      box-shadow: 0 14px 38px rgba(2, 15, 35, 0.16);
    }

    .header-inner {
      height: var(--nav-h);
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      min-width: max-content;
      font-weight: 800;
      color: #0c1f3b;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #fff;
      background: linear-gradient(135deg, #102a6c, #31cdf5);
      box-shadow: 0 10px 28px rgba(49, 205, 245, 0.34);
      font-size: 18px;
    }

    .brand-text {
      display: flex;
      flex-direction: column;
      line-height: 1.1;
    }

    .brand-text strong {
      font-size: 17px;
      letter-spacing: 0;
    }

    .brand-text span {
      margin-top: 3px;
      font-size: 11px;
      color: #65748a;
      font-weight: 700;
    }

    .site-nav {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
    }

    .nav-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 40px;
      padding: 0 15px;
      border-radius: 999px;
      color: #42516a;
      font-size: 14px;
      font-weight: 700;
      transition: color 0.22s ease, background 0.22s ease, transform 0.22s ease;
    }

    .nav-link:hover {
      color: #0d2b62;
      background: rgba(31, 86, 170, 0.08);
      transform: translateY(-1px);
    }

    .nav-link.active {
      color: #0d3d83;
      background: rgba(51, 217, 255, 0.18);
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      min-width: 312px;
      justify-content: flex-end;
    }

    .search-box {
      width: 190px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 13px;
      border: 1px solid rgba(20, 44, 80, 0.12);
      border-radius: 999px;
      background: #f4f7fb;
      transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .search-box:focus-within {
      border-color: rgba(51, 158, 255, 0.55);
      box-shadow: 0 0 0 4px rgba(51, 217, 255, 0.16);
      background: #fff;
    }

    .search-icon {
      color: #6b7b92;
      font-size: 15px;
    }

    .search-box input {
      width: 100%;
      min-width: 0;
      background: transparent;
      color: #17243a;
      font-size: 13px;
    }

    .search-box input::placeholder {
      color: #8795a8;
    }

    .nav-cta {
      min-height: 42px;
      padding: 0 17px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 999px;
      background: linear-gradient(135deg, #0f4cff, #23cffa);
      color: #fff;
      font-size: 14px;
      font-weight: 800;
      box-shadow: 0 12px 28px rgba(35, 207, 250, 0.26);
      transition: transform 0.22s ease, box-shadow 0.22s ease;
      white-space: nowrap;
    }

    .nav-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 16px 36px rgba(35, 207, 250, 0.36);
    }

    .menu-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: 14px;
      background: #edf4fb;
      color: #10213e;
      align-items: center;
      justify-content: center;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .menu-toggle:hover {
      background: #dceeff;
      transform: translateY(-1px);
    }

    .hero {
      padding: 58px 0 36px;
    }

    .category-hero {
      display: grid;
      grid-template-columns: 1.08fr 0.92fr;
      gap: 18px;
      align-items: stretch;
    }

    .glass {
      background: linear-gradient(145deg, rgba(255,255,255,0.12), rgba(255,255,255,0.06));
      border: 1px solid var(--line);
      box-shadow: var(--shadow-soft);
      backdrop-filter: blur(18px);
    }

    .hero-main {
      min-height: 424px;
      border-radius: var(--radius-lg);
      padding: 36px;
      position: relative;
      overflow: hidden;
    }

    .hero-main::after {
      content: "";
      position: absolute;
      inset: auto -80px -120px auto;
      width: 310px;
      height: 310px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(51, 217, 255, 0.32), transparent 66%);
      pointer-events: none;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      color: #dff8ff;
      background: rgba(51, 217, 255, 0.13);
      border: 1px solid rgba(51, 217, 255, 0.25);
      font-size: 13px;
      font-weight: 800;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      border-radius: 99px;
      background: var(--cyan);
      box-shadow: 0 0 16px rgba(51, 217, 255, 0.95);
    }

    h1 {
      margin: 24px 0 16px;
      max-width: 760px;
      font-size: clamp(34px, 5vw, 62px);
      line-height: 1.06;
      letter-spacing: 0;
      color: #ffffff;
    }

    .hero-summary {
      max-width: 690px;
      margin: 0;
      color: #bfd0e4;
      font-size: 17px;
      line-height: 1.9;
    }

    .chip-row {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      margin-top: 26px;
    }

    .chip {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      min-height: 34px;
      padding: 0 12px;
      border-radius: 999px;
      color: #d8efff;
      border: 1px solid rgba(204, 229, 255, 0.18);
      background: rgba(255, 255, 255, 0.08);
      font-size: 13px;
      font-weight: 700;
      transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
    }

    .chip:hover, .chip.active {
      background: rgba(51, 217, 255, 0.16);
      border-color: rgba(51, 217, 255, 0.42);
      transform: translateY(-1px);
    }

    .hero-cta-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      margin-top: 32px;
    }

    .btn {
      min-height: 48px;
      padding: 0 20px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 999px;
      font-weight: 850;
      font-size: 15px;
      transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
      white-space: nowrap;
    }

    .btn-primary {
      color: #021224;
      background: linear-gradient(135deg, #eafcff, #33d9ff);
      box-shadow: 0 0 0 1px rgba(51, 217, 255, 0.28), 0 18px 44px rgba(51, 217, 255, 0.28);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 0 0 1px rgba(51, 217, 255, 0.45), 0 22px 58px rgba(51, 217, 255, 0.42);
    }

    .btn-secondary {
      color: #eaf7ff;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.16);
    }

    .btn-secondary:hover {
      transform: translateY(-2px);
      background: rgba(255,255,255,0.12);
      border-color: rgba(51, 217, 255, 0.36);
    }

    .hero-side {
      display: grid;
      grid-template-rows: 1fr 1fr;
      gap: 18px;
    }

    .side-card {
      border-radius: var(--radius-lg);
      padding: 26px;
      overflow: hidden;
      position: relative;
    }

    .side-card h2,
    .side-card h3 {
      margin: 0 0 12px;
      font-size: 23px;
      line-height: 1.25;
      color: #ffffff;
    }

    .side-card p {
      margin: 0;
      color: #b6c8dc;
    }

    .mini-stat-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 10px;
      margin-top: 22px;
    }

    .mini-stat {
      padding: 12px;
      border-radius: 15px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
    }

    .mini-stat strong {
      display: block;
      color: #ffffff;
      font-size: 20px;
      line-height: 1.1;
    }

    .mini-stat span {
      display: block;
      margin-top: 5px;
      color: #8fa6bf;
      font-size: 12px;
      font-weight: 700;
    }

    .route-list {
      display: grid;
      gap: 10px;
      margin-top: 18px;
    }

    .route-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 12px 14px;
      border-radius: 15px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
    }

    .route-item span {
      color: #d8eaff;
      font-weight: 800;
    }

    .route-item small {
      color: var(--cyan);
      font-weight: 850;
    }

    main {
      position: relative;
    }

    .section {
      padding: 54px 0;
    }

    .section-head {
      max-width: 760px;
      margin-bottom: 24px;
    }

    .section-kicker {
      display: inline-flex;
      margin-bottom: 12px;
      color: var(--cyan);
      font-size: 13px;
      font-weight: 850;
    }

    .section-title {
      margin: 0;
      color: #fff;
      font-size: clamp(25px, 3vw, 38px);
      line-height: 1.22;
      letter-spacing: 0;
    }

    .section-desc {
      margin: 12px 0 0;
      color: #a9bad0;
      max-width: 720px;
    }

    .filter-panel {
      padding: 18px;
      border-radius: var(--radius-lg);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 16px;
      align-items: center;
    }

    .filter-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .filter-control {
      display: inline-flex;
      align-items: center;
      gap: 9px;
      min-height: 42px;
      padding: 0 14px;
      border-radius: 999px;
      color: #dceeff;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.14);
      font-size: 13px;
      font-weight: 800;
      transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
    }

    .filter-control:hover,
    .filter-control.active {
      background: rgba(51, 217, 255, 0.16);
      border-color: rgba(51, 217, 255, 0.44);
      transform: translateY(-1px);
    }

    .sort-pill {
      min-height: 42px;
      padding: 0 14px;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      border-radius: 999px;
      color: #122139;
      background: #e8f8ff;
      font-size: 13px;
      font-weight: 850;
      white-space: nowrap;
    }

    .content-grid {
      display: grid;
      grid-template-columns: repeat(12, 1fr);
      gap: 18px;
      margin-top: 20px;
    }

    .entry-card {
      grid-column: span 4;
      min-height: 238px;
      border-radius: var(--radius-lg);
      padding: 22px;
      position: relative;
      overflow: hidden;
      transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
    }

    .entry-card:nth-child(2),
    .entry-card:nth-child(5) {
      grid-column: span 5;
    }

    .entry-card:nth-child(3),
    .entry-card:nth-child(6) {
      grid-column: span 3;
    }

    .entry-card:hover {
      transform: translateY(-4px);
      border-color: rgba(51, 217, 255, 0.38);
      box-shadow: 0 28px 72px rgba(0, 0, 0, 0.34);
    }

    .entry-top {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      margin-bottom: 24px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 28px;
      padding: 0 10px;
      border-radius: 999px;
      background: rgba(51, 217, 255, 0.13);
      border: 1px solid rgba(51, 217, 255, 0.24);
      color: #dff9ff;
      font-size: 12px;
      font-weight: 850;
    }

    .heat {
      color: var(--warning);
      font-size: 12px;
      font-weight: 850;
    }

    .entry-card h3 {
      margin: 0 0 12px;
      color: #ffffff;
      font-size: 22px;
      line-height: 1.25;
    }

    .entry-card p {
      margin: 0;
      color: #adc0d5;
    }

    .entry-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 22px;
    }

    .meta-dot {
      display: inline-flex;
      min-height: 28px;
      align-items: center;
      padding: 0 9px;
      border-radius: 999px;
      color: #a9dff0;
      background: rgba(255,255,255,0.07);
      font-size: 12px;
      font-weight: 800;
    }

    .flow-wrap {
      display: grid;
      grid-template-columns: 0.72fr 1.28fr;
      gap: 18px;
      align-items: stretch;
    }

    .flow-aside,
    .flow-main {
      border-radius: var(--radius-lg);
      padding: 24px;
    }

    .flow-aside h2,
    .flow-main h2 {
      margin: 0 0 12px;
      color: #fff;
      font-size: 25px;
      line-height: 1.25;
    }

    .flow-aside p,
    .flow-main p {
      margin: 0;
      color: #a9bad0;
    }

    .step-list {
      display: grid;
      gap: 12px;
      margin-top: 22px;
    }

    .step {
      display: grid;
      grid-template-columns: 38px 1fr;
      gap: 12px;
      align-items: start;
      padding: 14px;
      border-radius: 16px;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.11);
    }

    .step-index {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      background: rgba(51, 217, 255, 0.16);
      color: var(--cyan);
      font-weight: 900;
    }

    .step strong {
      display: block;
      color: #ffffff;
      line-height: 1.25;
    }

    .step span {
      display: block;
      margin-top: 5px;
      color: #96aac0;
      font-size: 13px;
    }

    .matrix {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 22px;
    }

    .matrix-item {
      min-height: 136px;
      padding: 18px;
      border-radius: 18px;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.11);
    }

    .matrix-item strong {
      display: block;
      color: #ffffff;
      font-size: 18px;
      margin-bottom: 8px;
    }

    .matrix-item span {
      color: #a8bace;
      font-size: 14px;
    }

    .proof-band {
      display: grid;
      grid-template-columns: 1.1fr 1fr;
      gap: 18px;
      align-items: stretch;
    }

    .proof-card {
      border-radius: var(--radius-lg);
      padding: 26px;
    }

    .proof-card h2 {
      margin: 0 0 14px;
      font-size: 30px;
      line-height: 1.2;
      color: #fff;
    }

    .quote-list {
      display: grid;
      gap: 12px;
      margin-top: 20px;
    }

    .quote {
      padding: 16px;
      border-radius: 18px;
      color: #dcecff;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.11);
    }

    .quote small {
      display: block;
      margin-top: 8px;
      color: #83dff2;
      font-weight: 850;
    }

    .tag-wall {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      align-content: start;
    }

    .wall-tag {
      padding: 10px 13px;
      border-radius: 999px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.13);
      color: #d5e9ff;
      font-size: 13px;
      font-weight: 800;
    }

    .faq-layout {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 24px;
      align-items: start;
    }

    .faq-card {
      border-radius: var(--radius-lg);
      padding: 18px;
    }

    .faq-item {
      border-bottom: 1px solid rgba(255,255,255,0.12);
    }

    .faq-item:last-child {
      border-bottom: 0;
    }

    .faq-question {
      width: 100%;
      min-height: 62px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 0;
      color: #ffffff;
      background: transparent;
      text-align: left;
      font-weight: 850;
    }

    .faq-question span:first-child {
      line-height: 1.35;
    }

    .faq-icon {
      width: 28px;
      height: 28px;
      flex: 0 0 auto;
      border-radius: 999px;
      display: grid;
      place-items: center;
      color: var(--cyan);
      border: 1px solid rgba(51, 217, 255, 0.28);
      transition: transform 0.2s ease, background 0.2s ease;
    }

    .faq-answer {
      display: none;
      padding: 0 38px 18px 0;
      color: #aabdce;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .faq-item.open .faq-icon {
      transform: rotate(45deg);
      background: rgba(51, 217, 255, 0.12);
    }

    .cta-panel {
      border-radius: 30px;
      padding: 34px;
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 22px;
      align-items: center;
      background:
        linear-gradient(135deg, rgba(51, 217, 255, 0.16), rgba(55, 109, 255, 0.12)),
        rgba(255,255,255,0.08);
      border: 1px solid rgba(51, 217, 255, 0.28);
      box-shadow: var(--shadow);
    }

    .cta-panel h2 {
      margin: 0 0 10px;
      color: #ffffff;
      font-size: clamp(25px, 3vw, 36px);
      line-height: 1.2;
    }

    .cta-panel p {
      margin: 0;
      max-width: 720px;
      color: #b8cde2;
    }

    .site-footer {
      padding: 50px 0 112px;
      border-top: 1px solid rgba(255,255,255,0.12);
      background: rgba(1, 8, 18, 0.62);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.7fr 0.9fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand strong {
      display: block;
      color: #ffffff;
      font-size: 20px;
      margin-bottom: 10px;
    }

    .footer-brand p {
      margin: 0;
      color: #92a7bd;
      max-width: 480px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .footer-links a {
      min-height: 36px;
      display: inline-flex;
      align-items: center;
      padding: 0 12px;
      border-radius: 999px;
      color: #c8ddf2;
      background: rgba(255,255,255,0.06);
      border: 1px solid rgba(255,255,255,0.1);
      font-size: 13px;
      font-weight: 800;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .footer-links a:hover {
      color: #fff;
      background: rgba(51, 217, 255, 0.13);
    }

    .footer-meta {
      color: #7f94aa;
      font-size: 13px;
      display: grid;
      gap: 8px;
      justify-content: end;
      text-align: right;
    }

    .sticky-convert {
      position: fixed;
      left: 50%;
      bottom: 18px;
      transform: translateX(-50%);
      z-index: 45;
      width: min(960px, calc(100% - 36px));
      min-height: 64px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 10px 12px 10px 20px;
      border-radius: 999px;
      background: rgba(7, 19, 38, 0.84);
      border: 1px solid rgba(188, 225, 255, 0.18);
      box-shadow: 0 18px 64px rgba(0, 0, 0, 0.38);
      backdrop-filter: blur(18px);
    }

    .sticky-copy {
      display: flex;
      flex-direction: column;
      line-height: 1.35;
      min-width: 0;
    }

    .sticky-copy strong {
      color: #fff;
      font-size: 14px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .sticky-copy span {
      color: #9cafc4;
      font-size: 12px;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
    }

    .sticky-actions {
      display: flex;
      gap: 10px;
      flex: 0 0 auto;
    }

    .sticky-actions .btn {
      min-height: 44px;
      padding: 0 16px;
      font-size: 14px;
    }

    :focus-visible {
      outline: 3px solid rgba(51, 217, 255, 0.55);
      outline-offset: 3px;
    }

    @media (max-width: 1280px) {
      :root {
        --container: 1080px;
      }

      .entry-card,
      .entry-card:nth-child(2),
      .entry-card:nth-child(3),
      .entry-card:nth-child(5),
      .entry-card:nth-child(6) {
        grid-column: span 6;
      }
    }

    @media (max-width: 1024px) {
      .header-inner {
        gap: 14px;
      }

      .site-nav {
        position: fixed;
        left: 24px;
        right: 24px;
        top: calc(var(--nav-h) + 10px);
        display: none;
        flex-direction: column;
        align-items: stretch;
        padding: 14px;
        border-radius: 22px;
        background: rgba(255,255,255,0.98);
        box-shadow: 0 24px 80px rgba(2, 15, 35, 0.18);
        border: 1px solid rgba(18,40,72,0.1);
      }

      .site-nav.open {
        display: flex;
      }

      .nav-link {
        justify-content: flex-start;
        border-radius: 14px;
      }

      .nav-actions {
        min-width: auto;
        margin-left: auto;
      }

      .search-box {
        width: 170px;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .category-hero,
      .flow-wrap,
      .proof-band,
      .faq-layout,
      .cta-panel {
        grid-template-columns: 1fr;
      }

      .hero-main {
        min-height: auto;
      }

      .hero-side {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
      }

      .filter-panel {
        grid-template-columns: 1fr;
      }

      .sort-pill {
        width: max-content;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }

      .footer-meta {
        justify-content: start;
        text-align: left;
      }
    }

    @media (max-width: 768px) {
      body {
        padding-bottom: 104px;
      }

      .container {
        width: min(100% - 32px, var(--container));
      }

      .brand-text span {
        display: none;
      }

      .nav-actions {
        gap: 8px;
      }

      .search-box {
        width: 44px;
        padding: 0;
        justify-content: center;
      }

      .search-box input {
        display: none;
      }

      .nav-cta {
        display: none;
      }

      .hero {
        padding: 34px 0 22px;
      }

      .hero-main,
      .side-card,
      .flow-aside,
      .flow-main,
      .proof-card,
      .cta-panel {
        padding: 22px;
        border-radius: 22px;
      }

      .hero-side {
        grid-template-columns: 1fr;
      }

      .mini-stat-row,
      .matrix {
        grid-template-columns: 1fr;
      }

      .entry-card,
      .entry-card:nth-child(2),
      .entry-card:nth-child(3),
      .entry-card:nth-child(5),
      .entry-card:nth-child(6) {
        grid-column: span 12;
      }

      .section {
        padding: 40px 0;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .sticky-convert {
        width: calc(100% - 24px);
        bottom: 12px;
        border-radius: 22px;
        padding: 12px;
        align-items: stretch;
        flex-direction: column;
      }

      .sticky-actions {
        width: 100%;
      }

      .sticky-actions .btn {
        flex: 1;
      }
    }

    @media (max-width: 520px) {
      :root {
        --nav-h: 68px;
      }

      .header-inner {
        height: var(--nav-h);
      }

      .brand-mark {
        width: 34px;
        height: 34px;
        border-radius: 12px;
      }

      .brand-text strong {
        font-size: 15px;
      }

      .hero-main {
        padding: 20px;
      }

      h1 {
        font-size: 34px;
      }

      .hero-summary {
        font-size: 15px;
      }

      .hero-cta-row,
      .cta-panel > div:last-child {
        width: 100%;
      }

      .btn {
        width: 100%;
      }

      .filter-control {
        flex: 1 1 auto;
        justify-content: center;
      }

      .entry-card h3 {
        font-size: 20px;
      }

      .sticky-copy span {
        display: none;
      }
    }

/* roulang page: category2 */
:root {
      --bg: #061225;
      --bg-deep: #030916;
      --surface: rgba(255, 255, 255, 0.08);
      --surface-strong: rgba(255, 255, 255, 0.14);
      --surface-light: #ffffff;
      --text: #f6fbff;
      --text-dark: #142238;
      --muted: #a8b7cc;
      --muted-dark: #5f6f86;
      --line: rgba(255, 255, 255, 0.16);
      --line-dark: #e8eef7;
      --primary: #00d9ff;
      --primary-strong: #46f0ff;
      --secondary: #7c8cff;
      --accent: #eaf7ff;
      --success: #7ef2c4;
      --warning: #ffd36a;
      --radius: 22px;
      --radius-sm: 14px;
      --shadow: 0 22px 70px rgba(0, 0, 0, 0.32);
      --glow: 0 0 0 1px rgba(70, 240, 255, 0.32), 0 16px 46px rgba(0, 217, 255, 0.22);
      --container: 1180px;
      --nav-h: 74px;
      --ease: 180ms ease;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
      color: var(--text);
      background:
        radial-gradient(circle at 18% 8%, rgba(0, 217, 255, 0.18), transparent 28%),
        radial-gradient(circle at 80% 18%, rgba(124, 140, 255, 0.18), transparent 30%),
        linear-gradient(145deg, #071c35 0%, #061225 44%, #030916 100%);
      line-height: 1.7;
      overflow-x: hidden;
      padding-bottom: 92px;
    }

    body::before {
      content: "";
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: 0.3;
      background-image:
        linear-gradient(rgba(255,255,255,0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.035) 1px, transparent 1px);
      background-size: 32px 32px;
      mask-image: linear-gradient(to bottom, rgba(0,0,0,0.9), transparent 80%);
      z-index: -1;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--ease), background var(--ease), border-color var(--ease), transform var(--ease), box-shadow var(--ease);
    }

    button,
    input {
      font: inherit;
    }

    button {
      cursor: pointer;
      border: 0;
    }

    img,
    svg {
      max-width: 100%;
      display: block;
    }

    .container {
      width: min(var(--container), calc(100% - 40px));
      margin: 0 auto;
    }

    .site-header {
      position: sticky;
      top: 0;
      z-index: 50;
      height: var(--nav-h);
      background: rgba(255, 255, 255, 0.94);
      border-bottom: 1px solid rgba(220, 229, 242, 0.92);
      box-shadow: 0 10px 28px rgba(6, 18, 37, 0.08);
      backdrop-filter: blur(18px);
    }

    .header-inner {
      height: 100%;
      display: flex;
      align-items: center;
      gap: 22px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      color: var(--text-dark);
      font-weight: 900;
      letter-spacing: 0;
      white-space: nowrap;
    }

    .brand-mark {
      width: 38px;
      height: 38px;
      border-radius: 14px;
      display: grid;
      place-items: center;
      color: #062237;
      background: linear-gradient(135deg, #79f4ff, #8c96ff);
      box-shadow: 0 10px 26px rgba(0, 179, 255, 0.28);
      font-size: 18px;
    }

    .site-nav {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 4px;
      flex: 1;
    }

    .nav-link {
      color: #33445d;
      padding: 10px 14px;
      border-radius: 999px;
      font-size: 15px;
      font-weight: 700;
    }

    .nav-link:hover {
      color: #07182f;
      background: #eef6ff;
    }

    .nav-link.active {
      color: #062237;
      background: linear-gradient(135deg, rgba(0, 217, 255, 0.18), rgba(124, 140, 255, 0.16));
      box-shadow: inset 0 0 0 1px rgba(0, 145, 255, 0.16);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .search-mini {
      width: 230px;
      height: 42px;
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 0 14px;
      border-radius: 999px;
      border: 1px solid #dce7f4;
      background: #f8fbff;
      color: #74849a;
    }

    .search-mini input {
      width: 100%;
      border: 0;
      outline: 0;
      background: transparent;
      color: #16243a;
      min-width: 0;
    }

    .search-mini:focus-within {
      border-color: #56dfff;
      box-shadow: 0 0 0 4px rgba(0, 217, 255, 0.13);
    }

    .nav-cta,
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      min-height: 44px;
      padding: 0 18px;
      border-radius: 999px;
      font-weight: 800;
      white-space: nowrap;
      transition: transform var(--ease), box-shadow var(--ease), background var(--ease), border-color var(--ease);
    }

    .nav-cta,
    .btn-primary {
      color: #061225;
      background: linear-gradient(135deg, var(--primary-strong), #b8f8ff);
      box-shadow: 0 12px 30px rgba(0, 217, 255, 0.25);
    }

    .btn-secondary {
      color: var(--text);
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.22);
    }

    .nav-cta:hover,
    .btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--glow);
    }

    .menu-toggle {
      display: none;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: #eef6ff;
      color: #10243c;
      align-items: center;
      justify-content: center;
    }

    .hero {
      position: relative;
      padding: 82px 0 56px;
      overflow: hidden;
    }

    .hero::after {
      content: "";
      position: absolute;
      inset: 42px 5% auto auto;
      width: 420px;
      height: 420px;
      background: linear-gradient(135deg, rgba(0,217,255,0.16), rgba(124,140,255,0.12));
      filter: blur(26px);
      transform: rotate(12deg);
      border-radius: 38px;
      opacity: 0.8;
      z-index: -1;
    }

    .hero-panel {
      min-height: 520px;
      padding: 54px;
      border-radius: 34px;
      background:
        linear-gradient(135deg, rgba(7, 29, 53, 0.88), rgba(5, 13, 30, 0.82)),
        radial-gradient(circle at 72% 14%, rgba(0, 217, 255, 0.28), transparent 30%);
      border: 1px solid rgba(255,255,255,0.16);
      box-shadow: var(--shadow);
      backdrop-filter: blur(20px);
      display: grid;
      grid-template-columns: 1fr 0.92fr;
      gap: 42px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 12px;
      border-radius: 999px;
      color: #c9f8ff;
      background: rgba(0, 217, 255, 0.1);
      border: 1px solid rgba(0, 217, 255, 0.26);
      font-size: 13px;
      font-weight: 800;
    }

    .hero h1 {
      margin: 20px 0 18px;
      font-size: clamp(36px, 5vw, 66px);
      line-height: 1.08;
      letter-spacing: 0;
    }

    .hero p {
      margin: 0;
      max-width: 690px;
      color: #c2d2e8;
      font-size: 18px;
    }

    .hero-search {
      margin-top: 30px;
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px;
      max-width: 680px;
      border-radius: 999px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.18);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
    }

    .hero-search input {
      flex: 1;
      min-width: 0;
      border: 0;
      outline: 0;
      background: transparent;
      color: var(--text);
      padding: 0 10px;
    }

    .hero-search input::placeholder {
      color: #92a7c4;
    }

    .quick-links {
      margin-top: 18px;
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
    }

    .quick-links a,
    .chip {
      display: inline-flex;
      align-items: center;
      gap: 7px;
      padding: 8px 12px;
      border-radius: 999px;
      color: #dcecff;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.15);
      font-size: 14px;
      font-weight: 700;
    }

    .quick-links a:hover,
    .chip:hover,
    .chip.active {
      color: #061225;
      background: #bff7ff;
      border-color: transparent;
    }

    .route-board {
      padding: 20px;
      border-radius: 28px;
      background: rgba(255,255,255,0.09);
      border: 1px solid rgba(255,255,255,0.15);
      box-shadow: inset 0 1px 0 rgba(255,255,255,0.08);
      backdrop-filter: blur(16px);
    }

    .route-tabs {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 10px;
      margin-bottom: 16px;
    }

    .route-tab {
      padding: 13px 14px;
      border-radius: 16px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.13);
    }

    .route-tab strong {
      display: block;
      font-size: 17px;
      color: #ffffff;
    }

    .route-tab span {
      display: block;
      margin-top: 3px;
      color: #9fb2cb;
      font-size: 13px;
    }

    .route-tab.active {
      background: linear-gradient(135deg, rgba(0,217,255,0.24), rgba(124,140,255,0.18));
      border-color: rgba(0,217,255,0.36);
    }

    .path-list {
      display: grid;
      gap: 10px;
    }

    .path-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      padding: 14px;
      border-radius: 18px;
      background: rgba(4, 12, 28, 0.48);
      border: 1px solid rgba(255,255,255,0.1);
    }

    .path-item b {
      font-size: 15px;
    }

    .path-item span {
      color: #9fb2cb;
      font-size: 13px;
    }

    .badge {
      display: inline-flex;
      align-items: center;
      min-height: 26px;
      padding: 0 9px;
      border-radius: 999px;
      color: #062237;
      background: #abf5ff;
      font-size: 12px;
      font-weight: 900;
    }

    main {
      display: block;
    }

    .section {
      padding: 64px 0;
    }

    .section-head {
      display: grid;
      grid-template-columns: minmax(0, 0.82fr) minmax(280px, 0.5fr);
      gap: 26px;
      align-items: end;
      margin-bottom: 28px;
    }

    .section-title {
      margin: 0;
      font-size: clamp(26px, 3vw, 42px);
      line-height: 1.2;
      letter-spacing: 0;
    }

    .section-copy {
      margin: 0;
      color: var(--muted);
    }

    .glass-card {
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: var(--radius);
      box-shadow: 0 18px 48px rgba(0,0,0,0.2);
      backdrop-filter: blur(18px);
      transition: transform var(--ease), border-color var(--ease), box-shadow var(--ease), background var(--ease);
    }

    .glass-card:hover {
      transform: translateY(-4px);
      border-color: rgba(70, 240, 255, 0.38);
      box-shadow: var(--glow);
      background: rgba(255,255,255,0.11);
    }

    .feature-strip {
      display: grid;
      grid-template-columns: 1.05fr 0.95fr 1.05fr;
      gap: 18px;
    }

    .feature-card {
      padding: 24px;
      min-height: 190px;
    }

    .feature-card .icon {
      width: 48px;
      height: 48px;
      display: grid;
      place-items: center;
      border-radius: 16px;
      color: #061225;
      background: linear-gradient(135deg, #8ef7ff, #d9fbff);
      box-shadow: 0 12px 28px rgba(0,217,255,0.18);
    }

    .feature-card h2 {
      margin: 18px 0 8px;
      font-size: 22px;
    }

    .feature-card p {
      margin: 0;
      color: #b8c8dc;
    }

    .filter-bar {
      display: flex;
      flex-wrap: wrap;
      gap: 10px;
      padding: 14px;
      border-radius: 22px;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.12);
      margin-bottom: 24px;
    }

    .compare-layout {
      display: grid;
      grid-template-columns: 0.85fr 1.15fr;
      gap: 22px;
      align-items: start;
    }

    .side-panel {
      padding: 24px;
      position: sticky;
      top: calc(var(--nav-h) + 20px);
    }

    .side-panel h2 {
      margin: 0 0 10px;
      font-size: 26px;
    }

    .side-panel p {
      margin: 0 0 18px;
      color: #b8c8dc;
    }

    .metric-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
      margin-top: 18px;
    }

    .metric {
      padding: 14px;
      border-radius: 16px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
    }

    .metric strong {
      display: block;
      color: #ffffff;
      font-size: 22px;
      line-height: 1.2;
    }

    .metric span {
      color: #9fb2cb;
      font-size: 13px;
    }

    .entry-matrix {
      display: grid;
      grid-template-columns: repeat(2, minmax(0, 1fr));
      gap: 16px;
    }

    .entry-card {
      padding: 22px;
      min-height: 210px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .entry-top {
      display: flex;
      align-items: flex-start;
      justify-content: space-between;
      gap: 14px;
    }

    .entry-card h3 {
      margin: 0 0 8px;
      font-size: 22px;
    }

    .entry-card p {
      margin: 0;
      color: #b8c8dc;
    }

    .entry-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
      margin-top: 18px;
    }

    .mini-tag {
      padding: 6px 9px;
      border-radius: 999px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.12);
      color: #cbd9eb;
      font-size: 12px;
      font-weight: 700;
    }

    .split-demo {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
    }

    .demo-column {
      padding: 24px;
      min-height: 360px;
    }

    .demo-column h2 {
      margin: 0 0 8px;
      font-size: 28px;
    }

    .demo-column > p {
      margin: 0 0 20px;
      color: #b8c8dc;
    }

    .route-row {
      display: grid;
      grid-template-columns: 72px 1fr auto;
      gap: 12px;
      align-items: center;
      padding: 14px 0;
      border-top: 1px solid rgba(255,255,255,0.12);
    }

    .route-row:first-of-type {
      border-top: 0;
    }

    .route-row .num {
      color: #8ef7ff;
      font-weight: 900;
    }

    .route-row b {
      display: block;
      line-height: 1.35;
    }

    .route-row small {
      color: #9fb2cb;
    }

    .trust-band {
      display: grid;
      grid-template-columns: 1fr 1.15fr;
      gap: 22px;
      align-items: stretch;
    }

    .quote-card {
      padding: 30px;
    }

    .quote-card p {
      margin: 0;
      font-size: 20px;
      color: #e6f3ff;
    }

    .quote-card span {
      display: block;
      margin-top: 18px;
      color: #9fb2cb;
    }

    .tag-wall {
      padding: 22px;
      display: flex;
      align-content: flex-start;
      flex-wrap: wrap;
      gap: 10px;
    }

    .faq-wrap {
      display: grid;
      grid-template-columns: 0.78fr 1.22fr;
      gap: 24px;
      align-items: start;
    }

    .faq-intro {
      padding: 28px;
    }

    .faq-intro h2 {
      margin: 0 0 10px;
      font-size: 30px;
    }

    .faq-intro p {
      margin: 0;
      color: #b8c8dc;
    }

    .faq-list {
      display: grid;
      gap: 12px;
    }

    .faq-item {
      border-radius: 18px;
      background: rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.14);
      overflow: hidden;
    }

    .faq-question {
      width: 100%;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      padding: 18px 20px;
      background: transparent;
      color: #ffffff;
      text-align: left;
      font-weight: 900;
    }

    .faq-question:focus-visible,
    .btn:focus-visible,
    .nav-link:focus-visible,
    .menu-toggle:focus-visible {
      outline: 3px solid rgba(70, 240, 255, 0.42);
      outline-offset: 3px;
    }

    .faq-answer {
      display: none;
      padding: 0 20px 18px;
      color: #b8c8dc;
    }

    .faq-item.open .faq-answer {
      display: block;
    }

    .cta-section {
      padding: 70px 0 86px;
    }

    .cta-panel {
      position: relative;
      overflow: hidden;
      padding: 38px;
      border-radius: 30px;
      background:
        linear-gradient(135deg, rgba(0,217,255,0.16), rgba(124,140,255,0.12)),
        rgba(255,255,255,0.08);
      border: 1px solid rgba(255,255,255,0.16);
      box-shadow: var(--shadow);
      display: grid;
      grid-template-columns: 1fr auto;
      gap: 22px;
      align-items: center;
    }

    .cta-panel h2 {
      margin: 0 0 8px;
      font-size: 32px;
    }

    .cta-panel p {
      margin: 0;
      color: #c2d2e8;
    }

    .site-footer {
      padding: 42px 0;
      background: rgba(2, 8, 19, 0.82);
      border-top: 1px solid rgba(255,255,255,0.12);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.2fr 0.8fr 0.9fr;
      gap: 28px;
      align-items: start;
    }

    .footer-brand strong {
      display: block;
      margin-bottom: 10px;
      font-size: 20px;
    }

    .footer-brand p,
    .footer-meta {
      margin: 0;
      color: #9fb2cb;
      font-size: 14px;
    }

    .footer-links {
      display: flex;
      flex-wrap: wrap;
      gap: 10px 16px;
    }

    .footer-links a {
      color: #d8e7fa;
      font-weight: 700;
    }

    .footer-links a:hover {
      color: #8ef7ff;
    }

    .sticky-convert {
      position: fixed;
      left: 50%;
      bottom: 18px;
      z-index: 60;
      transform: translateX(-50%);
      width: min(920px, calc(100% - 36px));
      padding: 12px;
      border-radius: 999px;
      background: rgba(4, 13, 30, 0.78);
      border: 1px solid rgba(255,255,255,0.16);
      box-shadow: 0 18px 60px rgba(0,0,0,0.35);
      backdrop-filter: blur(18px);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
    }

    .sticky-convert span {
      color: #d9e9fb;
      font-weight: 800;
      padding-left: 14px;
    }

    .sticky-actions {
      display: flex;
      gap: 10px;
    }

    @media (max-width: 1280px) {
      :root {
        --container: 1080px;
      }

      .hero-panel {
        padding: 42px;
      }
    }

    @media (max-width: 1024px) {
      .search-mini {
        display: none;
      }

      .hero-panel,
      .compare-layout,
      .split-demo,
      .trust-band,
      .faq-wrap,
      .cta-panel,
      .section-head {
        grid-template-columns: 1fr;
      }

      .side-panel {
        position: static;
      }

      .feature-strip {
        grid-template-columns: 1fr;
      }
    }

    @media (max-width: 768px) {
      body {
        padding-bottom: 112px;
      }

      .container {
        width: min(100% - 28px, var(--container));
      }

      .site-header {
        height: auto;
      }

      .header-inner {
        min-height: var(--nav-h);
        flex-wrap: wrap;
        padding: 12px 0;
      }

      .site-nav {
        display: none;
        order: 5;
        width: 100%;
        padding: 12px;
        border-radius: 20px;
        background: #f6faff;
        box-shadow: inset 0 0 0 1px #e2edf8;
      }

      .site-nav.open {
        display: grid;
        grid-template-columns: 1fr;
      }

      .header-actions {
        margin-left: auto;
      }

      .menu-toggle {
        display: inline-flex;
      }

      .nav-cta {
        display: none;
      }

      .hero {
        padding: 38px 0 36px;
      }

      .hero-panel {
        min-height: auto;
        padding: 28px;
        border-radius: 28px;
      }

      .hero-search {
        border-radius: 22px;
        flex-direction: column;
        align-items: stretch;
      }

      .hero-search input {
        min-height: 42px;
      }

      .hero-search .btn {
        width: 100%;
      }

      .entry-matrix,
      .route-tabs,
      .metric-grid {
        grid-template-columns: 1fr;
      }

      .footer-grid {
        grid-template-columns: 1fr;
      }

      .sticky-convert {
        width: calc(100% - 20px);
        border-radius: 24px;
        align-items: stretch;
        flex-direction: column;
      }

      .sticky-convert span {
        padding-left: 4px;
      }

      .sticky-actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
      }

      .sticky-actions .btn {
        padding: 0 12px;
      }
    }

    @media (max-width: 520px) {
      .brand span {
        max-width: 178px;
        overflow: hidden;
        text-overflow: ellipsis;
      }

      .hero h1 {
        font-size: 34px;
      }

      .section {
        padding: 46px 0;
      }

      .feature-card,
      .entry-card,
      .demo-column,
      .quote-card,
      .faq-intro,
      .cta-panel {
        padding: 20px;
      }

      .route-row {
        grid-template-columns: 46px 1fr;
      }

      .route-row .badge {
        grid-column: 2;
        justify-self: start;
      }
    }