/* roulang page: index */
:root {
  --bg: #06101e;
  --bg-2: #0a1730;
  --bg-3: #10203d;
  --ink: #e8f2ff;
  --muted: #93a8c7;
  --faint: #6d82a3;
  --line: rgba(140, 186, 255, 0.18);
  --line-strong: rgba(150, 204, 255, 0.38);
  --primary: #2f7bff;
  --primary-2: #1ac6ff;
  --cyan: #7ee7ff;
  --glass: rgba(12, 26, 52, 0.62);
  --glass-2: rgba(16, 34, 68, 0.78);
  --ok: #3ee0a8;
  --warn: #ffc56b;
  --danger: #ff8d9a;
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
  --glow: 0 0 24px rgba(47, 123, 255, 0.45);
  --space: 76px;
  --container: 1140px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  background:
    radial-gradient(980px 480px at 8% -8%, rgba(47, 123, 255, 0.2), transparent 58%),
    radial-gradient(760px 420px at 100% 0%, rgba(26, 198, 255, 0.1), transparent 52%),
    var(--bg);
  color-scheme: dark;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: rgba(47, 123, 255, 0.45); color: #fff; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
section[id] { scroll-margin-top: 104px; }

.site-header {
  position: sticky;
  top: 14px;
  z-index: 40;
  padding: 0 18px;
  margin-top: 16px;
}
.nav-shell {
  width: min(var(--container), 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 10px 12px 10px 14px;
  background: rgba(8, 18, 38, 0.72);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(18px);
  position: relative;
}
.logo { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo-mark {
  width: 40px;
  height: 40px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(145deg, #2f7bff, #14c8ff);
  box-shadow: var(--glow);
  flex: 0 0 auto;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text strong { font-size: 16px; letter-spacing: 0.02em; }
.logo-text small { color: var(--muted); font-size: 12px; margin-top: 3px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0 16px;
  border-radius: 999px;
  color: var(--muted);
  transition: color .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav-links a:hover { color: #fff; background: rgba(47, 123, 255, 0.14); }
.nav-links a:focus-visible, .logo:focus-visible, .btn:focus-visible, .nav-toggle:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.nav-links a.active {
  color: #fff;
  background: rgba(47, 123, 255, 0.24);
  box-shadow: inset 0 0 0 1px rgba(140, 198, 255, 0.4);
}
.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: #fff;
  cursor: pointer;
}
.nav-toggle .fa-xmark { display: none; }
.nav-toggle[aria-expanded="true"] .fa-bars { display: none; }
.nav-toggle[aria-expanded="true"] .fa-xmark { display: inline; }

.hero {
  position: relative;
  margin: 18px 18px 0;
  border-radius: 28px;
  overflow: hidden;
  min-height: 640px;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.hero-mask {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(100deg, rgba(4, 10, 22, 0.94) 0%, rgba(5, 12, 26, 0.82) 46%, rgba(5, 14, 30, 0.58) 100%),
    linear-gradient(180deg, rgba(4, 10, 22, 0.15), rgba(4, 10, 22, 0.72));
}
.hero-inner { position: relative; z-index: 1; padding: 58px 0 42px; }
.kicker, .badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 11px;
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: #d9eeff;
  background: rgba(47, 123, 255, 0.16);
  border: 1px solid rgba(140, 198, 255, 0.32);
}
.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 10px var(--ok);
}
.hero h1 {
  max-width: 820px;
  margin: 16px 0 14px;
  font-size: clamp(32px, 4.6vw, 54px);
  line-height: 1.18;
  letter-spacing: -0.03em;
}
.hero-lead { max-width: 820px; color: #d5e4f8; font-size: 16.5px; }
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 16px; }
.elig {
  max-width: 860px;
  padding: 14px 16px;
  border-left: 3px solid var(--primary-2);
  background: rgba(8, 18, 38, 0.55);
  border-radius: 0 14px 14px 0;
  color: var(--muted);
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn-glow {
  color: #fff;
  background: linear-gradient(135deg, #2a74ff 0%, #14c6ff 100%);
  box-shadow: 0 0 22px rgba(47, 140, 255, 0.55), 0 10px 24px rgba(0, 0, 0, 0.28);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: 0 0 32px rgba(80, 210, 255, 0.72), 0 14px 28px rgba(0, 0, 0, 0.32); }
.btn-glow:active { transform: translateY(0); }
.btn-ghost {
  color: #e7f3ff;
  background: rgba(8, 18, 36, 0.45);
  border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--cyan); background: rgba(26, 198, 255, 0.08); }
.trial-pass {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 18px;
  padding: 18px;
  background: rgba(8, 18, 38, 0.62);
  border: 1px solid var(--line);
  border-radius: 20px;
  backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}
.trial-pass h2 { font-size: 18px; margin: 8px 0; }
.trial-pass p { color: var(--muted); font-size: 14px; }
.rights { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.rights li {
  padding: 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--line);
}
.rights strong { display: block; margin-bottom: 6px; }
.rights span { color: var(--muted); font-size: 14px; }

main { padding-bottom: 20px; }
.sec { padding: var(--space) 0; }
.sec-alt { background: linear-gradient(180deg, rgba(255, 255, 255, 0.025), rgba(255, 255, 255, 0.01)); border-top: 1px solid rgba(140, 186, 255, 0.08); border-bottom: 1px solid rgba(140, 186, 255, 0.08); }
.sec-tight { padding: 52px 0; }
.sec-head { max-width: 760px; margin-bottom: 28px; }
.sec-head h2 { font-size: clamp(24px, 3vw, 34px); line-height: 1.25; letter-spacing: -0.02em; margin: 10px 0 12px; }
.sec-desc { color: var(--muted); }
.layout-split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 28px; align-items: end; }
.layout-split .sec-head { margin-bottom: 0; }

.glass {
  background: var(--glass);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.kpi-layout { display: grid; grid-template-columns: 0.82fr 1.18fr; gap: 22px; align-items: stretch; }
.kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.kpi-item {
  padding: 18px;
  border-radius: 16px;
  background: rgba(8, 18, 38, 0.55);
  border: 1px solid var(--line);
}
.kpi-item:hover { border-color: var(--line-strong); transform: translateY(-2px); transition: .2s ease; }
.kpi-num { font-size: 34px; font-weight: 720; letter-spacing: -0.03em; color: #fff; }
.kpi-num em { font-style: normal; font-size: 14px; color: var(--cyan); margin-left: 4px; }
.kpi-label { color: var(--muted); font-size: 14px; }
.heat { padding: 18px; }
.heat h3 { font-size: 16px; margin-bottom: 6px; }
.heat-note { color: var(--faint); font-size: 13px; margin-bottom: 14px; }
.heat-row { display: grid; grid-template-columns: 72px 1fr 36px; gap: 10px; align-items: center; margin-top: 10px; font-size: 13px; color: var(--muted); }
.heat-track { height: 8px; border-radius: 99px; background: rgba(255, 255, 255, 0.06); overflow: hidden; }
.heat-bar { display: block; height: 100%; width: var(--w); border-radius: inherit; background: linear-gradient(90deg, #2f7bff, #1ac6ff); box-shadow: 0 0 12px rgba(47, 140, 255, 0.65); }

.feature-split { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 22px; align-items: stretch; }
.feature-visual { position: relative; min-height: 420px; overflow: hidden; border-radius: 22px; border: 1px solid var(--line); }
.feature-visual img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.feature-visual figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(6, 14, 28, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line);
}
.feature-list { display: flex; flex-direction: column; gap: 12px; }
.feature-item {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(12, 26, 52, 0.55);
  border: 1px solid var(--line);
  transition: border-color .2s ease, transform .2s ease;
}
.feature-item:hover { border-color: var(--line-strong); transform: translateX(4px); }
.icon-box {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--cyan);
  background: rgba(47, 123, 255, 0.14);
  border: 1px solid rgba(140, 198, 255, 0.24);
}
.feature-item h3, .bento-card h3, .plan h3, .guard-item h3, .quick-item h3 { font-size: 17px; margin-bottom: 4px; }
.feature-item p, .bento-card p, .plan p, .guard-item p, .league-row p, .step p, .quote p, .mile p, .news-item p, .quick-item p { color: var(--muted); font-size: 14.5px; }

.bento { display: grid; grid-template-columns: 1.35fr 1fr; grid-template-rows: auto auto; gap: 14px; }
.bento-card {
  padding: 22px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: rgba(10, 22, 44, 0.72);
  min-height: 160px;
}
.bento-card.wide { grid-row: 1 / span 2; background:
  linear-gradient(180deg, rgba(6, 12, 24, 0.2), rgba(6, 12, 24, 0.78)),
  url("/assets/images/ac7fe5ce63a43a70.webp") center/cover no-repeat;
}
.bento-card.wide p, .bento-card.wide h3 { color: #f3f8ff; }
.bento-card.soft { background: rgba(20, 48, 88, 0.45); }
.bento-card.liney { background: transparent; border-style: dashed; }

.league-list { display: flex; flex-direction: column; gap: 10px; }
.league-row {
  display: grid;
  grid-template-columns: 168px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border-radius: 16px;
  background: rgba(10, 22, 44, 0.55);
  border: 1px solid var(--line);
}
.league-row:hover { border-color: var(--line-strong); }
.league-row h3 { font-size: 16px; }
.pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 10px;
  border-radius: 999px;
  font-size: 12px;
  color: #d8fff1;
  background: rgba(62, 224, 168, 0.12);
  border: 1px solid rgba(62, 224, 168, 0.3);
  white-space: nowrap;
}
.pill.warn { color: #ffe7bf; background: rgba(255, 197, 107, 0.1); border-color: rgba(255, 197, 107, 0.32); }
.text-link { color: var(--cyan); border-bottom: 1px solid rgba(126, 231, 255, 0.35); }
.text-link:hover { color: #fff; }

.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; position: relative; }
.step {
  padding: 18px 16px 16px;
  border-radius: 18px;
  background: rgba(10, 22, 44, 0.6);
  border: 1px solid var(--line);
  position: relative;
}
.step-no {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin-bottom: 12px;
  font-weight: 720;
  color: #04101e;
  background: linear-gradient(135deg, #7ee7ff, #2f7bff);
  box-shadow: 0 0 16px rgba(47, 140, 255, 0.55);
}
.stage { display: grid; grid-template-columns: 1.35fr 0.8fr; grid-template-rows: 210px 210px; gap: 12px; }
.stage figure { position: relative; overflow: hidden; border-radius: 18px; border: 1px solid var(--line); margin: 0; }
.stage figure:first-child { grid-row: 1 / span 2; }
.stage img { width: 100%; height: 100%; object-fit: cover; }
.stage figcaption {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 28px 14px 12px;
  background: linear-gradient(180deg, transparent, rgba(4, 10, 20, 0.88));
  font-size: 14px;
}

.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.compare-col { padding: 22px; border-radius: 20px; border: 1px solid var(--line); background: rgba(8, 16, 32, 0.55); }
.compare-col.is-now {
  background: rgba(18, 42, 84, 0.55);
  border-color: rgba(80, 180, 255, 0.4);
  box-shadow: 0 0 28px rgba(47, 123, 255, 0.18);
}
.compare-col h3 { margin-bottom: 12px; }
.compare-col li { padding: 12px 0; border-top: 1px solid var(--line); color: var(--muted); }
.compare-col li strong { color: var(--ink); display: block; }

.quotes { display: grid; grid-template-columns: 1.25fr 1fr 1fr; gap: 14px; }
.quote {
  padding: 20px;
  border-radius: 20px;
  background: rgba(10, 22, 44, 0.62);
  border: 1px solid var(--line);
}
.quote.leadq { background: linear-gradient(180deg, rgba(28, 62, 112, 0.55), rgba(10, 22, 44, 0.7)); }
.quote footer { margin-top: 14px; color: var(--cyan); font-size: 13px; }
.timeline { position: relative; margin-left: 12px; padding-left: 28px; border-left: 1px solid rgba(126, 231, 255, 0.35); }
.mile { position: relative; padding: 0 0 22px 8px; }
.mile::before {
  content: "";
  position: absolute;
  left: -36px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #1ac6ff;
  box-shadow: 0 0 12px #1ac6ff;
}
.mile h3 { font-size: 17px; }

.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.plan { padding: 22px; border-radius: 20px; border: 1px solid var(--line); background: rgba(10, 22, 44, 0.62); }
.plan.featured { border-color: rgba(80, 200, 255, 0.5); box-shadow: 0 0 28px rgba(47, 123, 255, 0.22); }
.plan ul { margin-top: 12px; }
.plan li { position: relative; padding: 8px 0 8px 18px; color: var(--muted); font-size: 14.5px; }
.plan li::before { content: ""; position: absolute; left: 0; top: 16px; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); }

.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-item {
  display: grid;
  grid-template-columns: 168px 1fr;
  gap: 16px;
  padding: 12px;
  border-radius: 18px;
  background: rgba(10, 22, 44, 0.55);
  border: 1px solid var(--line);
  align-items: center;
}
.news-item:hover { border-color: var(--line-strong); }
.news-item img { width: 168px; height: 108px; object-fit: cover; border-radius: 12px; }
.news-meta { color: var(--faint); font-size: 12px; margin-bottom: 4px; }
.news-more { margin-top: 14px; }

.guard-band {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #0a1428 url("/assets/images/8df44251d10390d2.png") center/cover no-repeat;
}
.guard-band::before { content: ""; position: absolute; inset: 0; background: rgba(5, 12, 26, 0.8); }
.guard-inner { position: relative; z-index: 1; padding: 28px; }
.guard-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-top: 18px; }
.guard-item { padding: 16px; border-radius: 16px; background: rgba(8, 18, 38, 0.62); border: 1px solid var(--line); }

.device-split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 22px; align-items: center; }
.device-photo { border-radius: 22px; overflow: hidden; border: 1px solid var(--line); min-height: 280px; }
.device-photo img { width: 100%; height: 360px; object-fit: cover; }
.device-points { display: grid; gap: 10px; margin-top: 16px; }
.device-points li { padding: 12px 14px; border-radius: 14px; background: rgba(10, 22, 44, 0.55); border: 1px solid var(--line); color: var(--muted); }

.quick { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.quick-item { padding: 16px 16px 14px; border-radius: 16px; background: rgba(10, 22, 44, 0.55); border: 1px solid var(--line); }
.quick-item span { color: var(--cyan); font-size: 12px; letter-spacing: 0.08em; }

.faq details {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(10, 22, 44, 0.55);
  margin-bottom: 10px;
  overflow: hidden;
}
.faq summary {
  cursor: pointer;
  padding: 16px 18px;
  font-weight: 680;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--cyan); font-weight: 500; }
.faq details[open] { border-color: rgba(80, 190, 255, 0.45); }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 18px 16px; color: var(--muted); }

.trial-wrap {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 22px;
  padding: 26px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 13px; color: var(--muted); }
input, select, textarea {
  width: 100%;
  min-height: 46px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(4, 10, 22, 0.72);
  color: var(--ink);
}
textarea { min-height: 110px; resize: vertical; }
input:hover, select:hover, textarea:hover { border-color: var(--line-strong); }
select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, #9ccfff 50%), linear-gradient(135deg, #9ccfff 50%, transparent 50%);
  background-position: calc(100% - 18px) 54%, calc(100% - 12px) 54%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
.form-tip { min-height: 22px; color: var(--danger); font-size: 13px; }
.form-success {
  margin-top: 10px;
  padding: 12px 14px;
  border-radius: 12px;
  color: #d9fff2;
  background: rgba(62, 224, 168, 0.12);
  border: 1px solid rgba(62, 224, 168, 0.32);
}
.fine { color: var(--faint); font-size: 13px; margin-top: 8px; }

.site-footer { padding: 28px 0 40px; }
.foot-card {
  padding: 26px;
  border-radius: 22px;
  background: rgba(8, 16, 34, 0.8);
  border: 1px solid var(--line);
}
.foot-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 20px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; align-content: start; }
.foot-links a { color: var(--muted); }
.foot-links a:hover { color: #fff; }
.copyright { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); color: var(--faint); font-size: 13px; }

@media (max-width: 1024px) {
  .kpi-layout, .feature-split, .device-split, .trial-wrap, .layout-split, .foot-grid { grid-template-columns: 1fr; }
  .bento { grid-template-columns: 1fr 1fr; }
  .bento-card.wide { grid-row: auto; min-height: 240px; }
  .steps, .guard-grid { grid-template-columns: 1fr 1fr; }
  .quotes, .plans { grid-template-columns: 1fr; }
  .stage { grid-template-columns: 1fr 1fr; grid-template-rows: 220px 180px; }
  .stage figure:first-child { grid-row: auto; grid-column: 1 / -1; height: 240px; }
  .league-row { grid-template-columns: 1fr; gap: 6px; }
}
@media (max-width: 768px) {
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 10px;
    background: rgba(8, 16, 34, 0.96);
    border: 1px solid var(--line);
    border-radius: 16px;
    box-shadow: var(--shadow);
  }
  .nav-links.is-open { display: flex; }
  .hero { margin: 14px 12px 0; border-radius: 20px; min-height: 0; }
  .trial-pass, .rights, .compare, .quick, .form-grid, .bento, .steps, .guard-grid { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr; }
  .news-item img { width: 100%; height: 180px; }
  .sec { padding: 52px 0; }
  .container { width: min(var(--container), calc(100% - 28px)); }
}
@media (max-width: 520px) {
  .site-header { padding: 0 10px; top: 8px; }
  .logo-text small { display: none; }
  .hero-inner { padding: 32px 0 24px; }
  .hero-actions .btn, .trial-wrap .btn { width: 100%; }
  .kpi-grid { grid-template-columns: 1fr; }
  .stage { grid-template-columns: 1fr; grid-template-rows: none; }
  .stage figure, .stage figure:first-child { height: 200px; }
  .heat-row { grid-template-columns: 58px 1fr 32px; }
  .device-photo img { height: 220px; }
  .guard-inner, .trial-wrap, .foot-card { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn, .feature-item, .kpi-item, .dot { transition: none; animation: none; }
}

/* roulang page: category1 */
:root {
 --bg: #06101e;
 --bg-2: #0a1730;
 --bg-3: #10203d;
 --ink: #e8f2ff;
 --muted: #93a8c7;
 --faint: #6d82a3;
 --line: rgba(140, 186, 255, 0.18);
 --line-strong: rgba(150, 204, 255, 0.38);
 --primary: #2f7bff;
 --primary-2: #1ac6ff;
 --cyan: #7ee7ff;
 --glass: rgba(12, 26, 52, 0.62);
 --glass-2: rgba(16, 34, 68, 0.78);
 --ok: #3ee0a8;
 --warn: #ffc56b;
 --danger: #ff8d9a;
 --radius: 18px;
 --radius-sm: 12px;
 --shadow: 0 18px 48px rgba(0, 0, 0, 0.34);
 --glow: 0 0 24px rgba(47, 123, 255, 0.45);
 --space: 76px;
 --container: 1140px;
 --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}
/* roulang page: yingchaozhibo */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 color: var(--ink);
 font-family: var(--font);
 font-size: 16px;
 line-height: 1.75;
 background:
  radial-gradient(980px 480px at 8% -8%, rgba(47, 123, 255, 0.2), transparent 58%),
  radial-gradient(760px 420px at 100% 0%, rgba(26, 198, 255, 0.1), transparent 52%),
  var(--bg);
 color-scheme: dark;
 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, p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
.container { width: min(var(--container), calc(100% - 40px)); margin: 0 auto; }
section[id] { scroll-margin-top: 104px; }
.site-header {
 position: sticky;
 top: 14px;
 z-index: 40;
 padding: 0 18px;
 margin-top: 16px;
}
.nav-shell {
 width: min(var(--container), 100%);
 margin: 0 auto;
 display: flex;
 align-items: center;
 justify-content: space-between;
 gap: 18px;
 padding: 10px 12px 10px 14px;
 background: rgba(8, 18, 38, 0.72);
 border: 1px solid var(--line);
 border-radius: 20px;
 box-shadow: 0 12px 36px rgba(0, 0, 0, 0.32), inset 0 1px 0 rgba(255, 255, 255, 0.05);
 backdrop-filter: blur(18px);
 position: relative;
}
.logo { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo-mark {
 width: 40px;
 height: 40px;
 border-radius: 13px;
 display: grid;
 place-items: center;
 color: #fff;
 background: linear-gradient(145deg, #2f7bff, #14c8ff);
 box-shadow: var(--glow);
 flex: 0 0 auto;
}
.logo-text { display: flex; flex-direction: column; line-height: 1.15; }
.logo-text strong { font-size: 16px; letter-spacing: 0.02em; }
.logo-text small { color: var(--muted); font-size: 12px; margin-top: 3px; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
 display: inline-flex;
 align-items: center;
 min-height: 40px;
 padding: 0 16px;
 border-radius: 999px;
 color: var(--muted);
 transition: color .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav-links a:hover { color: #fff; background: rgba(47, 123, 255, 0.14); }
.nav-links a:focus-visible, .logo:focus-visible, .btn:focus-visible, .nav-toggle:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
 outline: 2px solid var(--cyan);
 outline-offset: 2px;
}
.nav-links a.active {
 color: #fff;
 background: rgba(47, 123, 255, 0.24);
 box-shadow: inset 0 0 0 1px rgba(140, 198, 255, 0.4);
}
.nav-toggle {
 display: none;
 width: 42px;
 height: 42px;
 border-radius: 12px;
 border: 1px solid var(--line);
 background: rgba(255, 255, 255, 0.04);
 color: #fff;
 cursor: pointer;
}
.nav-toggle .fa-xmark { display: none; }
.nav-toggle[aria-expanded="true"] .fa-bars { display: none; }
.nav-toggle[aria-expanded="true"] .fa-xmark { display: inline; }
.kicker, .badge {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 padding: 5px 11px;
 border-radius: 999px;
 font-size: 12px;
 letter-spacing: 0.04em;
 color: #d9eeff;
 background: rgba(47, 123, 255, 0.16);
 border: 1px solid rgba(140, 198, 255, 0.32);
}
.badge-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0 16px; }
.btn {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 gap: 8px;
 min-height: 46px;
 padding: 0 20px;
 border-radius: 999px;
 border: 1px solid transparent;
 cursor: pointer;
 transition: transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
}
.btn-glow {
 color: #fff;
 background: linear-gradient(135deg, #2a74ff 0%, #14c6ff 100%);
 box-shadow: 0 0 22px rgba(47, 140, 255, 0.55), 0 10px 24px rgba(0, 0, 0, 0.28);
}
.btn-glow:hover { transform: translateY(-2px); box-shadow: 0 0 32px rgba(80, 210, 255, 0.72), 0 14px 28px rgba(0, 0, 0, 0.32); }
.btn-glow:active { transform: translateY(0); }
.btn-ghost {
 color: #e7f3ff;
 background: rgba(8, 18, 36, 0.45);
 border-color: var(--line-strong);
}
.btn-ghost:hover { border-color: var(--cyan); background: rgba(26, 198, 255, 0.08); }
main { padding-bottom: 20px; }
.kpi-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.kpi-item {
 padding: 18px;
 border-radius: 16px;
 background: rgba(8, 18, 38, 0.55);
 border: 1px solid var(--line);
 transition: border-color .2s ease, transform .2s ease;
}
.kpi-item:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.kpi-item strong { display: block; font-size: 28px; line-height: 1.1; letter-spacing: -0.03em; }
.kpi-item span { color: var(--muted); font-size: 13px; }
.heat-row { display: grid; grid-template-columns: 72px 1fr 36px; gap: 10px; align-items: center; margin-top: 10px; font-size: 13px; color: var(--muted); }
.feature-split { display: grid; grid-template-columns: 0.92fr 1.08fr; gap: 22px; align-items: stretch; }
.feature-visual { position: relative; min-height: 420px; overflow: hidden; border-radius: 22px; border: 1px solid var(--line); }
.feature-visual img { width: 100%; height: 100%; object-fit: cover; }
.sec { padding: var(--space) 0; }
.sec-alt {
 background: linear-gradient(180deg, rgba(10, 23, 48, 0.35), rgba(8, 18, 38, 0.2));
 border-top: 1px solid rgba(140, 186, 255, 0.08);
 border-bottom: 1px solid rgba(140, 186, 255, 0.08);
}
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 26px; }
.sec-title { font-size: clamp(26px, 3vw, 36px); line-height: 1.25; letter-spacing: -0.03em; }
.sec-desc { color: var(--muted); max-width: 640px; }
.sec-note { color: var(--faint); font-size: 13px; white-space: nowrap; }
.league-wrap { padding: 22px 18px 0; }
.league-hero {
 position: relative;
 overflow: hidden;
 border-radius: 28px;
 border: 1px solid var(--line);
 background: rgba(8, 18, 38, 0.55);
 box-shadow: var(--shadow);
}
.league-grid {
 display: grid;
 grid-template-columns: 1.08fr 0.92fr;
 gap: 22px;
 padding: 36px;
 align-items: stretch;
}
.league-copy h1 {
 margin: 14px 0 12px;
 font-size: clamp(32px, 4.2vw, 50px);
 line-height: 1.16;
 letter-spacing: -0.03em;
}
.league-lead { color: #d5e4f8; max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.league-panel { display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.league-visual {
 position: relative;
 min-height: 230px;
 border-radius: 20px;
 overflow: hidden;
 border: 1px solid var(--line);
}
.league-visual img { width: 100%; height: 100%; object-fit: cover; min-height: 230px; }
.league-visual figcaption {
 position: absolute;
 left: 12px;
 right: 12px;
 bottom: 12px;
 padding: 10px 12px;
 border-radius: 12px;
 background: rgba(6, 14, 30, 0.72);
 border: 1px solid var(--line);
 backdrop-filter: blur(10px);
 font-size: 13px;
 color: #d7e8ff;
}
.glass-card {
 background: var(--glass);
 border: 1px solid var(--line);
 border-radius: var(--radius);
 box-shadow: var(--shadow);
 backdrop-filter: blur(16px);
}
.fix-list { display: flex; flex-direction: column; gap: 10px; }
.fix-row {
 display: grid;
 grid-template-columns: 92px minmax(0, 1.4fr) 120px minmax(120px, 0.6fr);
 gap: 14px;
 align-items: center;
 padding: 14px 16px;
 border-radius: 16px;
 background: var(--glass);
 border: 1px solid var(--line);
 transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.fix-row:hover {
 border-color: var(--line-strong);
 transform: translateY(-2px);
 box-shadow: 0 10px 28px rgba(0, 0, 0, 0.28);
}
.fix-time {
 font-variant-numeric: tabular-nums;
 font-size: 22px;
 font-weight: 700;
 letter-spacing: -0.03em;
 color: var(--cyan);
}
.fix-time small { display: block; font-size: 12px; font-weight: 500; color: var(--faint); letter-spacing: 0; }
.fix-teams strong { display: block; font-size: 17px; }
.fix-teams span { color: var(--muted); font-size: 13px; }
.tag {
 justify-self: start;
 display: inline-flex;
 align-items: center;
 min-height: 28px;
 padding: 0 10px;
 border-radius: 999px;
 font-size: 12px;
 font-style: normal;
 border: 1px solid var(--line);
 color: #d9eeff;
 background: rgba(47, 123, 255, 0.12);
}
.tag-hot { color: #ffe3b0; border-color: rgba(255, 197, 107, 0.45); background: rgba(255, 197, 107, 0.12); }
.tag-quiet { color: #d9fff3; border-color: rgba(62, 224, 168, 0.4); background: rgba(62, 224, 168, 0.1); }
.bar { height: 7px; border-radius: 99px; background: rgba(255, 255, 255, 0.08); overflow: hidden; }
.bar i { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #2f7bff, #1ac6ff); }
.bento {
 display: grid;
 grid-template-columns: 1.35fr 1fr 1fr;
 grid-template-rows: auto auto;
 gap: 14px;
}
.bento-main { grid-row: 1 / span 2; position: relative; min-height: 420px; overflow: hidden; padding: 0; }
.bento-main img { width: 100%; height: 100%; object-fit: cover; position: absolute; inset: 0; }
.bento-main .bento-copy {
 position: relative;
 z-index: 1;
 height: 100%;
 display: flex;
 flex-direction: column;
 justify-content: flex-end;
 padding: 22px;
 background: linear-gradient(180deg, rgba(5, 12, 26, 0.05) 20%, rgba(5, 12, 26, 0.88) 100%);
}
.club-card {
 padding: 18px;
 border-radius: var(--radius);
 background: var(--glass);
 border: 1px solid var(--line);
 backdrop-filter: blur(14px);
 transition: transform .2s ease, border-color .2s ease;
}
.club-card:hover { transform: translateY(-3px); border-color: var(--line-strong); }
.club-card h3 { font-size: 18px; margin-bottom: 6px; }
.club-card p { color: var(--muted); font-size: 14px; }
.club-meta { margin-top: 12px; display: flex; justify-content: space-between; color: var(--cyan); font-size: 13px; }
.quiet-copy { padding: 8px 8px 8px 4px; display: flex; flex-direction: column; justify-content: center; }
.quiet-copy h2 { font-size: clamp(26px, 3vw, 36px); letter-spacing: -0.03em; line-height: 1.25; margin: 12px 0; }
.quiet-points { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.quiet-points li {
 display: grid;
 grid-template-columns: 36px 1fr;
 gap: 10px;
 align-items: start;
 padding: 12px;
 border-radius: 14px;
 background: rgba(8, 18, 38, 0.45);
 border: 1px solid var(--line);
}
.quiet-points i { color: var(--cyan); margin-top: 3px; }
.match-list { display: flex; flex-direction: column; gap: 12px; }
.match-item {
 display: grid;
 grid-template-columns: 148px minmax(0, 1fr) auto;
 gap: 16px;
 align-items: center;
 padding: 12px;
 border-radius: 18px;
 background: var(--glass);
 border: 1px solid var(--line);
 transition: border-color .2s ease, transform .2s ease;
}
.match-item:hover { border-color: var(--line-strong); transform: translateX(3px); }
.match-item img { width: 148px; height: 104px; object-fit: cover; border-radius: 12px; }
.match-item h3 { font-size: 18px; margin-bottom: 4px; }
.match-item p { color: var(--muted); font-size: 14px; }
.match-side { text-align: right; min-width: 108px; }
.match-side b { display: block; color: var(--cyan); font-variant-numeric: tabular-nums; font-size: 20px; }
.match-side span { color: var(--faint); font-size: 12px; }
.lane { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 16px; }
.lane-main, .lane-side { padding: 18px; }
.lane h3 { font-size: 18px; margin-bottom: 12px; }
.lane-row, .side-row {
 display: flex;
 justify-content: space-between;
 gap: 12px;
 padding: 12px 0;
 border-bottom: 1px solid var(--line);
 color: var(--muted);
}
.lane-row strong, .side-row strong { color: var(--ink); font-weight: 650; }
.lane-row:last-child, .side-row:last-child { border-bottom: 0; padding-bottom: 0; }
.side-row em { font-style: normal; color: var(--warn); font-size: 13px; }
.steps {
 display: grid;
 grid-template-columns: repeat(4, 1fr);
 gap: 14px;
 position: relative;
}
.steps li {
 position: relative;
 padding: 18px 16px 16px;
 border-radius: var(--radius);
 background: var(--glass-2);
 border: 1px solid var(--line);
 min-height: 180px;
}
.steps li::after {
 content: "";
 position: absolute;
 top: 28px;
 right: -14px;
 width: 14px;
 height: 2px;
 background: linear-gradient(90deg, var(--primary), transparent);
}
.steps li:last-child::after { display: none; }
.step-no {
 display: inline-grid;
 place-items: center;
 width: 36px;
 height: 36px;
 border-radius: 12px;
 margin-bottom: 12px;
 color: #fff;
 background: linear-gradient(145deg, #2f7bff, #14c8ff);
 box-shadow: var(--glow);
 font-size: 13px;
 font-weight: 700;
}
.steps h3 { font-size: 17px; margin-bottom: 8px; }
.steps p { color: var(--muted); font-size: 14px; }
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-item {
 border-radius: 16px;
 background: var(--glass);
 border: 1px solid var(--line);
 overflow: hidden;
}
.faq-item summary {
 cursor: pointer;
 list-style: none;
 padding: 16px 18px;
 font-weight: 650;
 display: flex;
 justify-content: space-between;
 gap: 12px;
 align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
 content: "\f078";
 font-family: "Font Awesome 6 Free";
 font-weight: 900;
 font-size: 12px;
 color: var(--cyan);
 transition: transform .2s ease;
}
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-item[open] { border-color: var(--line-strong); box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22); }
.faq-item p { padding: 0 18px 16px; color: var(--muted); }
.close-band {
 display: flex;
 justify-content: space-between;
 align-items: center;
 gap: 20px;
 padding: 26px 28px;
 border-radius: 24px;
 border: 1px solid var(--line-strong);
 background:
  linear-gradient(110deg, rgba(47, 123, 255, 0.22), rgba(12, 26, 52, 0.72) 46%, rgba(20, 198, 255, 0.12)),
  url("/assets/images/af3e1aa1a5894f2c.png") center/cover;
 box-shadow: var(--glow);
}
.close-band h2 { font-size: clamp(22px, 2.6vw, 30px); letter-spacing: -0.02em; margin-bottom: 6px; }
.close-band p { color: #d5e4f8; max-width: 640px; }
.site-footer { padding: 10px 0 48px; }
.foot-card {
 background: var(--glass-2);
 border: 1px solid var(--line);
 border-radius: 24px;
 padding: 28px;
 backdrop-filter: blur(16px);
 box-shadow: var(--shadow);
}
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 24px; align-items: start; }
.foot-links { display: flex; flex-wrap: wrap; gap: 10px 16px; justify-content: flex-end; align-content: flex-start; }
.foot-links a { color: var(--muted); min-height: 36px; display: inline-flex; align-items: center; }
.foot-links a:hover { color: #fff; }
.copyright { margin: 18px 0 0; color: var(--faint); font-size: 13px; border-top: 1px solid var(--line); padding-top: 14px; }
@media (max-width: 1024px) {
 .league-grid, .feature-split, .lane, .bento, .foot-grid { grid-template-columns: 1fr; }
 .bento-main { grid-row: auto; min-height: 320px; }
 .steps { grid-template-columns: 1fr 1fr; }
 .steps li::after { display: none; }
 .fix-row { grid-template-columns: 84px minmax(0, 1fr); }
 .fix-row .tag, .fix-row .bar { grid-column: 2; }
}
@media (max-width: 768px) {
 :root { --space: 56px; }
 .nav-toggle { display: inline-grid; place-items: center; }
 .nav-links {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  right: 0;
  flex-direction: column;
  align-items: stretch;
  padding: 10px;
  background: rgba(8, 18, 38, 0.96);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
 }
 .nav-links.open { display: flex; }
 .nav-links a { width: 100%; }
 .league-grid, .container { width: min(var(--container), calc(100% - 28px)); }
 .league-wrap { padding: 16px 10px 0; }
 .league-grid { padding: 22px 18px; }
 .sec-head, .close-band, .match-item { flex-direction: column; align-items: flex-start; }
 .match-item { grid-template-columns: 1fr; }
 .match-item img { width: 100%; height: 180px; }
 .match-side { text-align: left; }
 .sec-note { white-space: normal; }
 .foot-links { justify-content: flex-start; }
 .close-band { align-items: flex-start; }
}
@media (max-width: 520px) {
 .site-header { padding: 0 10px; top: 8px; }
 .logo-text small { display: none; }
 .league-copy h1 { font-size: 30px; }
 .kpi-grid, .steps { grid-template-columns: 1fr; }
 .fix-time { font-size: 18px; }
 .hero-actions .btn, .close-band .btn { width: 100%; }
 .foot-card { padding: 18px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 * { transition: none !important; }
}