/* roulang page: index */
:root {
  --ink: #171a21;
  --ink-soft: #3c4250;
  --muted: #667083;
  --line: rgba(23, 26, 33, .12);
  --paper: #f3eee4;
  --paper-2: #e7e0d2;
  --card: #fffdf8;
  --deep: #10141c;
  --deep-2: #1b2230;
  --gold: #c6a15a;
  --gold-2: #e7d3a4;
  --ember: #d8573b;
  --ember-2: #f08a62;
  --pine: #1f6f62;
  --ok: #2f7d4a;
  --shadow: 0 18px 50px rgba(16, 20, 28, .08);
  --shadow-lg: 0 28px 70px rgba(16, 20, 28, .16);
  --radius: 22px;
  --radius-sm: 14px;
  --header: 74px;
  --max: 1140px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 .8rem; }
h1, h2, h3, h4 { line-height: 1.28; letter-spacing: -.02em; margin: 0; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
  position: sticky; top: 0; z-index: 40;
  height: var(--header);
  display: flex; align-items: center;
  background: rgba(16, 20, 28, .92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { display: flex; align-items: center; gap: 12px; color: #fff; min-width: 0; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 13px;
  background: linear-gradient(145deg, var(--gold), #8c6230);
  color: #1a140c; display: grid; place-items: center;
  font-weight: 900; box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
}
.logo-name { font-weight: 900; font-size: 18px; letter-spacing: .04em; }
.logo-sub { display: block; color: var(--gold-2); font-size: 12px; font-weight: 500; letter-spacing: .08em; }
.logo[aria-current="page"] .logo-name { box-shadow: inset 0 -2px 0 var(--gold); }
.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--ember); color: #fff; border: 0;
  border-radius: 999px; padding: 11px 18px; font-weight: 700;
  box-shadow: 0 8px 20px rgba(216, 87, 59, .28);
  transition: transform .2s ease, background .2s ease, box-shadow .2s ease;
}
.nav-cta:hover { background: #c4472e; transform: translateY(-1px); color: #fff; }
.nav-cta:active { transform: translateY(1px); }
.nav-cta:focus-visible, .go:focus-visible, .play-btn:focus-visible, .qa summary:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid var(--gold-2); outline-offset: 3px;
}
.hero {
  position: relative; min-height: calc(100vh - var(--header));
  color: #fff; isolation: isolate; overflow: hidden;
  display: flex; align-items: flex-end;
}
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.hero-shade {
  position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(10,12,16,.25) 0%, rgba(10,12,16,.2) 38%, rgba(10,12,16,.88) 100%),
    radial-gradient(600px 320px at 70% 30%, rgba(216,87,59,.28), transparent 70%);
}
.play-btn {
  position: absolute; left: 50%; top: 42%; transform: translate(-50%, -50%);
  width: 92px; height: 92px; border-radius: 50%; border: 0;
  background: rgba(255,255,255,.94); color: var(--deep);
  display: grid; place-items: center; font-size: 28px;
  box-shadow: 0 0 0 12px rgba(255,255,255,.16), var(--shadow-lg);
  transition: transform .2s ease, background .2s ease;
}
.play-btn:hover { transform: translate(-50%, -50%) scale(1.05); background: #fff; }
.play-btn:active { transform: translate(-50%, -52%) scale(.98); }
.play-btn i { margin-left: 4px; }
.hero-content { width: min(var(--max), calc(100% - 40px)); margin: 0 auto 54px; max-width: 820px; padding-bottom: 8px; }
.kicker {
  display: inline-flex; align-items: center; gap: 8px;
  color: var(--gold-2); font-size: 13px; letter-spacing: .14em; font-weight: 700;
  margin-bottom: 12px;
}
.kicker::before { content: ""; width: 18px; height: 2px; background: var(--gold); }
h1 { font-size: clamp(32px, 4.4vw, 54px); font-weight: 900; max-width: 16em; }
.hero-lead { margin-top: 16px; max-width: 68ch; color: rgba(255,255,255,.88); font-size: 16.5px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.go, .go-line, .go-ink, .go-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 12px 18px; font-weight: 700; border: 1px solid transparent;
  transition: transform .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
  cursor: pointer;
}
.go { background: var(--ember); color: #fff; }
.go:hover { background: #c4472e; color: #fff; transform: translateY(-2px); }
.go:active, .go-line:active, .go-ink:active { transform: translateY(1px); }
.go-line { background: transparent; color: #fff; border-color: rgba(255,255,255,.45); }
.go-line:hover { background: #fff; color: var(--deep); }
.go-ink { background: var(--deep); color: #fff; }
.go-ink:hover { background: #000; color: #fff; transform: translateY(-2px); }
.go-ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.go-ghost:hover { border-color: var(--ink); background: #fff; }
.section { padding: 84px 0; position: relative; }
.section-sand { background: #efe8da; }
.section-white { background: #fffdf8; }
.section-ink { background: var(--deep); color: #fff; }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-head.split { max-width: none; display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: end; }
.section h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 900; }
.section-ink .lede, .lede { color: var(--ink-soft); }
.section-ink .lede { color: rgba(255,255,255,.76); }
.lede { font-size: 16px; }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700;
  background: rgba(198,161,90,.16); color: #8a6428; letter-spacing: .04em;
}
.section-ink .tag { background: rgba(231,211,164,.12); color: var(--gold-2); }
.catalog { display: grid; grid-template-columns: 240px 1fr; gap: 28px; align-items: start; }
.catalog-side {
  position: sticky; top: 96px;
  background: var(--deep); color: #fff; border-radius: var(--radius); padding: 22px;
}
.catalog-side ol { margin: 14px 0 0; padding: 0; list-style: none; }
.catalog-side a { display: flex; gap: 10px; padding: 8px 0; color: rgba(255,255,255,.78); border-top: 1px solid rgba(255,255,255,.08); }
.catalog-side a:hover { color: var(--gold-2); }
.catalog-side .more {
  margin-top: 16px; width: 100%;
}
.doc-list { display: flex; flex-direction: column; }
.doc {
  display: grid; grid-template-columns: 72px 1fr; gap: 16px;
  padding: 22px 8px; border-bottom: 1px solid var(--line);
}
.doc:first-child { border-top: 1px solid var(--line); }
.doc-no { font-weight: 900; color: var(--ember); font-size: 20px; }
.doc h3 { font-size: 20px; margin-bottom: 6px; }
.doc p { color: var(--ink-soft); margin: 0; }
.bento { display: grid; grid-template-columns: 1.35fr .85fr; gap: 18px; }
.bento-main, .point, .panel, .res-copy, .review, .device, .audit, .pulse, .qa, .claim-card, .chart-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow);
}
.bento-main {
  min-height: 420px; padding: 28px; color: #fff; position: relative; overflow: hidden;
  background: #1a140f center/cover no-repeat;
  border: 0;
}
.bento-main::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(16,20,28,.2), rgba(16,20,28,.82));
}
.bento-main .inner { position: relative; z-index: 1; max-width: 460px; }
.bento-main h3 { font-size: 32px; margin: 12px 0; }
.point-col { display: flex; flex-direction: column; gap: 12px; }
.point { padding: 16px 18px; display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: start; transition: transform .2s ease, box-shadow .2s ease; }
.point:hover { transform: translateX(4px); box-shadow: var(--shadow-lg); }
.point i { width: 36px; height: 36px; border-radius: 12px; display: grid; place-items: center; background: #f6ecdf; color: var(--ember); }
.point strong { display: block; }
.point span { color: var(--muted); font-size: 14px; }
.chart-layout { display: grid; grid-template-columns: 1.2fr .8fr; gap: 22px; }
.chart-card, .note-card { background: #1b2230; border-radius: var(--radius); padding: 22px; border: 1px solid rgba(255,255,255,.06); }
.bar-row { display: grid; grid-template-columns: 120px 1fr 48px; gap: 12px; align-items: center; margin: 16px 0; font-size: 14px; }
.track { height: 12px; background: rgba(255,255,255,.08); border-radius: 99px; overflow: hidden; }
.track span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--gold), var(--ember-2)); }
.note-card h3 { font-size: 22px; margin-bottom: 10px; }
.note-card li { margin: 10px 0; color: rgba(255,255,255,.8); }
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.stat {
  background: var(--card); border-radius: var(--radius-sm); padding: 18px 16px;
  border: 1px solid var(--line);
}
.stat b { display: block; font-size: 34px; font-weight: 900; letter-spacing: -.04em; }
.stat b em { font-style: normal; font-size: 16px; margin-left: 2px; color: var(--ember); }
.stat span { color: var(--muted); font-size: 14px; }
.matrix { display: grid; grid-template-columns: 1fr 1fr; gap: 0 28px; }
.matrix article {
  display: grid; grid-template-columns: 52px 1fr; gap: 14px;
  padding: 18px 0; border-bottom: 1px solid var(--line);
}
.matrix i { width: 52px; height: 52px; border-radius: 16px; background: var(--deep); color: var(--gold-2); display: grid; place-items: center; font-size: 18px; }
.matrix h3 { font-size: 18px; margin-bottom: 4px; }
.matrix p { margin: 0; color: var(--ink-soft); }
.compare { display: grid; grid-template-columns: 1fr 1fr; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
.compare article { padding: 32px; min-height: 280px; }
.compare .dim { background: #e7e1d6; }
.compare .lit { background: var(--deep); color: #fff; }
.compare h3 { font-size: 26px; margin: 8px 0 12px; }
.timeline { position: relative; margin-left: 12px; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 2px; background: var(--gold); }
.tl { position: relative; padding: 0 0 26px 36px; }
.tl::before {
  content: ""; position: absolute; left: 0; top: 8px; width: 16px; height: 16px; border-radius: 50%;
  background: #fff; border: 4px solid var(--ember);
}
.tl h3 { font-size: 20px; }
.tl p { color: var(--ink-soft); margin: 4px 0 0; }
.res-row { display: grid; grid-template-columns: 280px 1fr; gap: 22px; align-items: center; padding: 18px 0; border-bottom: 1px solid var(--line); }
.res-row:nth-child(even) { grid-template-columns: 1fr 280px; }
.res-row:nth-child(even) img { order: 2; }
.res-row img { width: 100%; height: 180px; object-fit: cover; border-radius: 18px; }
.res-row h3 { font-size: 22px; margin-bottom: 6px; }
.res-row p { color: var(--ink-soft); margin: 0; }
.news { display: flex; flex-direction: column; gap: 10px; }
.news a.rowline, .pulse .rowline {
  display: grid; grid-template-columns: 120px 1fr auto; gap: 16px; align-items: center;
  padding: 16px 18px; border-radius: 16px; background: #fff; border: 1px solid var(--line);
  transition: border-color .2s ease, transform .2s ease;
}
.news a.rowline:hover { border-color: var(--gold); transform: translateY(-2px); }
.badge { border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700; background: #f3e7d4; color: #7a5a24; }
.badge.live { background: #fde4de; color: #a33b28; }
.badge.ok { background: #e5f3ea; color: var(--ok); }
.news-more { margin-top: 16px; }
.stage-frame { border-radius: 28px; overflow: hidden; background: var(--deep); box-shadow: var(--shadow-lg); }
.stage-frame img { width: 100%; height: 460px; object-fit: cover; }
.carousel-caption {
  left: 0; right: 0; bottom: 0; text-align: left; padding: 28px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,.78));
}
.carousel-caption h3 { font-size: 28px; }
.carousel-control-prev, .carousel-control-next { width: 8%; }
.reviews { columns: 2; gap: 16px; }
.review { break-inside: avoid; padding: 20px; margin-bottom: 16px; }
.review q { display: block; font-size: 17px; font-weight: 500; }
.review span { display: block; margin-top: 12px; color: var(--muted); font-size: 13px; }
.audit { padding: 8px 22px; }
.audit li { display: flex; gap: 12px; align-items: flex-start; padding: 14px 0; border-bottom: 1px solid var(--line); list-style: none; }
.audit { list-style: none; margin: 0; }
.audit i { color: var(--pine); margin-top: 4px; }
.devices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.device { padding: 22px; background: #fffdf8; }
.device i { font-size: 26px; color: var(--ember); }
.device h3 { margin: 10px 0; font-size: 22px; }
.device p { color: var(--ink-soft); min-height: 72px; }
.qa-list { display: grid; gap: 10px; }
.qa { padding: 0 18px; background: #fff; }
.qa summary { cursor: pointer; font-weight: 700; padding: 16px 0; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.qa summary::-webkit-details-marker { display: none; }
.qa summary::after { content: "+"; color: var(--ember); font-size: 22px; }
.qa[open] summary::after { content: "–"; }
.qa p { color: var(--ink-soft); padding-bottom: 16px; margin: 0; }
.pulse { padding: 8px; background: transparent; border: 0; box-shadow: none; }
.pulse .rowline { grid-template-columns: 92px 1.1fr 1.4fr auto; background: rgba(255,255,255,.04); color: #fff; border-color: rgba(255,255,255,.08); }
.claim {
  position: relative; border-radius: 32px; overflow: hidden; color: #fff;
  background: #141820 center/cover no-repeat;
}
.claim-mask { background: linear-gradient(100deg, rgba(12,14,18,.92), rgba(12,14,18,.72)); padding: 36px; display: grid; grid-template-columns: .9fr 1.1fr; gap: 28px; }
.claim-card { padding: 22px; color: var(--ink); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; font-weight: 700; }
.field.full { grid-column: 1 / -1; }
.field input, .field select {
  border: 1px solid var(--line); background: #fff; border-radius: 12px; padding: 12px 12px; font-weight: 500;
}
.form-tip { min-height: 1.4em; color: var(--ember); font-size: 14px; margin: 8px 0; }
.brief { display: none; border-top: 1px dashed var(--line); margin-top: 8px; padding-top: 12px; }
.brief.show { display: block; }
.brief h3 { font-size: 18px; margin-bottom: 6px; }
.brief li { color: var(--ink-soft); margin: 6px 0; }
.site-footer { background: #0c0f15; color: rgba(255,255,255,.78); padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.3fr .8fr .8fr; gap: 24px; }
.site-footer strong { color: #fff; font-size: 18px; }
.site-footer a { display: block; padding: 4px 0; color: rgba(255,255,255,.72); }
.site-footer a:hover { color: var(--gold-2); }
.copy { margin-top: 26px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; color: rgba(255,255,255,.5); }
.modal-content { border-radius: 22px; border: 0; overflow: hidden; }
.modal-hero { height: 160px; background: #111 center/cover no-repeat; }
.modal-body { padding: 22px; }
.modal-body li { margin: 8px 0; color: var(--ink-soft); }
@media (max-width: 1024px) {
  .stats { grid-template-columns: repeat(3, 1fr); }
  .catalog, .chart-layout, .bento, .claim-mask, .section-head.split { grid-template-columns: 1fr; }
  .catalog-side { position: static; }
  .res-row, .res-row:nth-child(even) { grid-template-columns: 200px 1fr; }
  .pulse .rowline { grid-template-columns: 80px 1fr; }
  .pulse .rowline span:nth-child(3), .pulse .rowline em { grid-column: 1 / -1; }
  .reviews { columns: 1; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .wrap { width: min(var(--max), calc(100% - 28px)); }
  .section { padding: 64px 0; }
  .stats, .devices, .matrix, .compare, .form-grid { grid-template-columns: 1fr; }
  .matrix { gap: 0; }
  .res-row, .res-row:nth-child(even) { grid-template-columns: 1fr; }
  .res-row:nth-child(even) img { order: 0; }
  .news a.rowline { grid-template-columns: 1fr; gap: 4px; }
  .stage-frame img { height: 280px; }
  .play-btn { width: 74px; height: 74px; top: 34%; }
  .hero-content { margin-bottom: 28px; }
  h1 { font-size: 32px; }
  .logo-sub { display: none; }
  .foot-grid { grid-template-columns: 1fr; }
}
@media (max-width: 520px) {
  .site-header { height: 64px; }
  .logo-name { font-size: 15px; }
  .nav-cta { padding: 9px 12px; font-size: 14px; }
  .doc { grid-template-columns: 48px 1fr; }
  .bar-row { grid-template-columns: 1fr; gap: 4px; }
  .hero { min-height: 92vh; }
  .claim-mask { padding: 20px; }
}

/* roulang page: category1 */
:root {
 --ink: #171a21;
 --ink-soft: #3c4250;
 --muted: #667083;
 --line: rgba(23, 26, 33, .12);
 --paper: #f3eee4;
 --paper-2: #e7e0d2;
 --card: #fffdf8;
 --deep: #10141c;
 --deep-2: #1b2230;
 --gold: #c6a15a;
 --gold-2: #e7d3a4;
 --ember: #d8573b;
 --ember-2: #f08a62;
 --pine: #1f6f62;
 --ok: #2f7d4a;
 --shadow: 0 18px 50px rgba(16, 20, 28, .08);
 --shadow-lg: 0 28px 70px rgba(16, 20, 28, .16);
 --radius: 22px;
 --radius-sm: 14px;
 --header: 74px;
 --max: 1140px;
 --bs-body-font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
 --bs-body-color: #171a21;
 --bs-body-bg: #f3eee4;
 --bs-link-color: #171a21;
 --bs-link-hover-color: #d8573b;
}
/* roulang page: category1 */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
 margin: 0;
 font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
 color: var(--ink);
 background: var(--paper);
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
button, input, select, textarea { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0 0 12px; }
h1, h2, h3, h4 { line-height: 1.25; letter-spacing: -.02em; }
.wrap { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.site-header {
 position: sticky; top: 0; z-index: 40;
 height: var(--header);
 display: flex; align-items: center;
 background: rgba(16, 20, 28, .92);
 backdrop-filter: blur(16px);
 border-bottom: 1px solid rgba(255,255,255,.06);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { display: flex; align-items: center; gap: 12px; color: #fff; min-width: 0; }
.logo-mark {
 width: 42px; height: 42px; border-radius: 13px; flex: 0 0 auto;
 background: linear-gradient(145deg, var(--gold), #8c6230);
 color: #1a140c; display: grid; place-items: center;
 font-weight: 900; box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
}
.logo-name { font-weight: 900; font-size: 18px; letter-spacing: .04em; }
.logo-sub { display: block; color: var(--gold-2); font-size: 12px; font-weight: 500; letter-spacing: .08em; }
.logo[aria-current="page"] .logo-name { box-shadow: inset 0 -2px 0 var(--gold); }
.nav-cta {
 display: inline-flex; align-items: center; gap: 8px;
 background: var(--ember); color: #fff; border: 0;
 border-radius: 999px; padding: 11px 18px; font-weight: 700;
 box-shadow: 0 8px 20px rgba(216, 87, 59, .28);
 transition: transform .2s ease, background .2s ease, box-shadow .2s ease, color .2s ease;
}
.nav-cta:hover { background: #c4472e; transform: translateY(-1px); color: #fff; }
.nav-cta:active { transform: translateY(1px); }
.nav-cta[aria-current="page"] {
 background: var(--gold); color: #1a140c;
 box-shadow: 0 8px 20px rgba(198, 161, 90, .35);
}
.nav-cta[aria-current="page"]:hover { background: var(--gold-2); color: #1a140c; }
.nav-cta:focus-visible, .go:focus-visible, .qa summary:focus-visible, a:focus-visible {
 outline: 3px solid var(--gold-2); outline-offset: 3px;
}
.section { padding: 84px 0; position: relative; }
.section-sand { background: #efe8da; }
.section-white { background: #fffdf8; }
.section-ink { background: var(--deep); color: #fff; }
.section-head { margin-bottom: 28px; max-width: 760px; }
.section-head.split { max-width: none; display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; align-items: end; }
.section h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 900; margin: 8px 0 0; }
.lede { color: var(--ink-soft); margin: 0; }
.section-ink .lede { color: rgba(255,255,255,.76); }
.tag {
 display: inline-flex; align-items: center; gap: 6px;
 border-radius: 999px; padding: 4px 10px; font-size: 12px; font-weight: 700;
 background: rgba(198,161,90,.16); color: #8a6428; letter-spacing: .04em;
}
.section-ink .tag, .on-dark .tag { background: rgba(231,211,164,.12); color: var(--gold-2); }
.go {
 display: inline-flex; align-items: center; justify-content: center; gap: 8px;
 border-radius: 999px; padding: 12px 18px; font-weight: 700; border: 1px solid transparent;
 transition: transform .2s ease, background .2s ease, box-shadow .2s ease, color .2s ease;
}
.go:hover { transform: translateY(-2px); }
.go:active { transform: translateY(1px); }
.go-solid { background: var(--ember); color: #fff; box-shadow: 0 10px 24px rgba(216,87,59,.28); }
.go-solid:hover { background: #c4472e; color: #fff; }
.go-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }
.go-ghost:hover { background: #fff; color: var(--deep); }
.go-line { background: transparent; color: var(--ink); border-color: rgba(23,26,33,.18); }
.go-line:hover { border-color: var(--ember); color: var(--ember); background: #fff; }
.col-mast {
 position: relative; color: #fff; overflow: hidden;
 padding: 54px 0 48px; isolation: isolate;
}
.col-mast-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.col-mast-shade {
 position: absolute; inset: 0; z-index: -1;
 background:
 linear-gradient(100deg, rgba(10,12,16,.92) 0%, rgba(10,12,16,.78) 48%, rgba(10,12,16,.55) 100%),
 radial-gradient(520px 280px at 80% 20%, rgba(216,87,59,.32), transparent 70%);
}
.crumb { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; color: rgba(255,255,255,.72); font-size: 13px; margin-bottom: 16px; }
.crumb a:hover { color: var(--gold-2); }
.col-mast h1 { font-size: clamp(34px, 5vw, 58px); font-weight: 900; margin: 12px 0 14px; max-width: 16ch; }
.mast-lead { max-width: 46ch; color: rgba(255,255,255,.86); font-size: 16.5px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 22px; }
.mast-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 36px; align-items: end; }
.mast-panel {
 background: rgba(16,20,28,.72); border: 1px solid rgba(255,255,255,.12);
 border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); backdrop-filter: blur(10px);
}
.mast-panel img { width: 100%; height: 210px; object-fit: cover; }
.mast-facts { display: grid; grid-template-columns: 1fr 1fr 1fr; }
.mast-facts div { padding: 14px 12px 16px; border-top: 1px solid rgba(255,255,255,.08); }
.mast-facts div + div { border-left: 1px solid rgba(255,255,255,.08); }
.mast-facts strong { display: block; font-size: 18px; color: var(--gold-2); }
.mast-facts span { display: block; color: rgba(255,255,255,.7); font-size: 12px; line-height: 1.45; margin-top: 4px; }
.metric-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.metric {
 background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
 padding: 22px 20px; box-shadow: var(--shadow); min-height: 168px;
 display: flex; flex-direction: column; justify-content: space-between;
 transition: transform .2s ease, box-shadow .2s ease;
}
.metric:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.metric i { color: var(--ember); font-size: 18px; }
.metric b { display: block; font-size: clamp(28px, 3vw, 40px); font-weight: 900; letter-spacing: -.03em; margin: 14px 0 4px; }
.metric span { color: var(--muted); font-size: 14px; }
.series { display: flex; flex-direction: column; gap: 12px; }
.series-row {
 display: grid; grid-template-columns: 132px 1fr auto; gap: 18px; align-items: center;
 background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
 padding: 18px 18px 18px 20px; box-shadow: var(--shadow);
 transition: border-color .2s ease, transform .2s ease;
}
.series-row:hover { border-color: rgba(216,87,59,.45); transform: translateX(3px); }
.series-time { font-weight: 900; color: var(--ember); font-size: 18px; }
.series-time small { display: block; color: var(--muted); font-weight: 500; font-size: 12px; }
.series-row h3 { margin: 0 0 4px; font-size: 20px; font-weight: 900; }
.series-row p { margin: 0; color: var(--ink-soft); }
.series-side { text-align: right; }
.point-layout { display: grid; grid-template-columns: 1.05fr .95fr; gap: 28px; align-items: center; }
.point-photo { position: relative; border-radius: var(--radius); overflow: hidden; min-height: 360px; box-shadow: var(--shadow-lg); }
.point-photo img { width: 100%; height: 100%; object-fit: cover; min-height: 360px; }
.point-photo figcaption {
 position: absolute; left: 16px; right: 16px; bottom: 16px;
 background: rgba(16,20,28,.78); color: #fff; border-radius: 14px; padding: 12px 14px; font-size: 14px;
}
.stamp-list { display: flex; flex-direction: column; gap: 10px; }
.stamp {
 display: grid; grid-template-columns: 92px 1fr; gap: 14px; align-items: start;
 background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 16px;
}
.stamp b { color: var(--pine); font-size: 14px; }
.stamp p { margin: 0; color: var(--ink-soft); }
.quote {
 margin-top: 14px; padding: 16px 18px; border-left: 4px solid var(--gold);
 background: rgba(198,161,90,.12); border-radius: 0 16px 16px 0; color: var(--ink);
}
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.compare article {
 border-radius: var(--radius); padding: 26px; min-height: 320px;
 border: 1px solid var(--line); box-shadow: var(--shadow);
}
.compare .live { background: var(--deep); color: #fff; }
.compare .vod { background: var(--card); }
.compare h3 { font-size: 26px; font-weight: 900; margin: 10px 0 12px; }
.compare li { margin: 10px 0; }
.compare .live li { color: rgba(255,255,255,.82); }
.compare .vod li { color: var(--ink-soft); }
.rail { list-style: none; margin: 0; padding: 0; position: relative; }
.rail::before {
 content: ""; position: absolute; left: 15px; top: 8px; bottom: 8px; width: 2px;
 background: linear-gradient(var(--gold), var(--ember));
}
.rail li { position: relative; padding: 0 0 22px 52px; }
.rail li:last-child { padding-bottom: 0; }
.dot {
 position: absolute; left: 6px; top: 4px; width: 20px; height: 20px; border-radius: 50%;
 background: var(--card); border: 3px solid var(--ember); box-shadow: 0 0 0 4px rgba(216,87,59,.15);
}
.rail h3 { margin: 0 0 4px; font-size: 20px; }
.rail p { margin: 0; color: var(--ink-soft); }
.news { display: flex; flex-direction: column; }
.news a, .news .item {
 display: grid; grid-template-columns: 120px 1fr auto; gap: 16px; align-items: center;
 padding: 18px 0; border-bottom: 1px solid var(--line); color: inherit;
}
.news a:hover h3 { color: var(--ember); }
.news time { color: var(--ember); font-weight: 700; font-size: 14px; }
.news h3 { margin: 0 0 4px; font-size: 18px; font-weight: 800; transition: color .2s ease; }
.news p { margin: 0; color: var(--muted); font-size: 14px; }
.assure {
 margin-top: 22px; display: grid; grid-template-columns: 92px 1fr; gap: 16px; align-items: center;
 background: #efe8da; border-radius: var(--radius); padding: 16px 18px;
}
.assure i { width: 64px; height: 64px; border-radius: 18px; display: grid; place-items: center; background: var(--deep); color: var(--gold-2); font-size: 22px; }
.assure h3 { margin: 0 0 4px; font-size: 18px; }
.assure p { margin: 0; color: var(--ink-soft); }
.qa { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm); margin-bottom: 12px; overflow: hidden; }
.qa summary {
 cursor: pointer; padding: 16px 18px; font-weight: 800; list-style: none;
 display: flex; justify-content: space-between; gap: 12px; align-items: center;
}
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--ember); }
.qa summary i { color: var(--gold); transition: transform .2s ease; }
.qa[open] summary i { transform: rotate(45deg); }
.qa p { padding: 0 18px 16px; margin: 0; color: var(--ink-soft); }
.qa[open] { box-shadow: var(--shadow); }
.claim {
 position: relative; overflow: hidden; border-radius: 0; color: #fff;
}
.claim-bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: 0; }
.claim-shade { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(10,12,16,.92), rgba(10,12,16,.72)); z-index: 1; }
.claim .wrap { position: relative; z-index: 2; display: grid; grid-template-columns: 1.1fr .9fr; gap: 28px; align-items: center; }
.claim h2 { font-size: clamp(28px, 3vw, 40px); font-weight: 900; margin: 8px 0 10px; }
.brief { display: grid; gap: 10px; }
.brief div {
 display: grid; grid-template-columns: 28px 1fr; gap: 10px; align-items: start;
 background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08);
 border-radius: 16px; padding: 12px 14px;
}
.brief i { color: var(--gold-2); margin-top: 3px; }
.brief p { margin: 0; color: rgba(255,255,255,.84); }
.site-footer { background: #0c1016; color: rgba(255,255,255,.78); padding: 48px 0 28px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 28px; }
.site-footer strong { color: #fff; display: block; margin-bottom: 10px; font-size: 16px; }
.site-footer p { color: rgba(255,255,255,.68); }
.site-footer a { display: block; padding: 4px 0; color: rgba(255,255,255,.72); }
.site-footer a:hover { color: var(--gold-2); }
.copy { margin-top: 28px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,.08); font-size: 13px; color: rgba(255,255,255,.55); }
@media (max-width: 1024px) {
 .mast-grid, .point-layout, .section-head.split, .claim .wrap { grid-template-columns: 1fr; }
 .metric-row { grid-template-columns: 1fr 1fr; }
 .point-photo, .point-photo img { min-height: 240px; }
 .col-mast h1 { max-width: none; }
}
@media (max-width: 768px) {
 .section { padding: 56px 0; }
 .series-row, .news a, .news .item { grid-template-columns: 1fr; gap: 6px; }
 .series-side { text-align: left; }
 .compare, .foot-grid, .mast-facts { grid-template-columns: 1fr; }
 .mast-facts div + div { border-left: 0; }
 .logo-sub { display: none; }
 .col-mast { padding: 36px 0 32px; }
}
@media (max-width: 520px) {
 .wrap { width: min(var(--max), calc(100% - 28px)); }
 .section { padding: 42px 0; }
 .metric-row { grid-template-columns: 1fr; }
 .nav-cta { padding: 9px 12px; font-size: 14px; }
 .logo-name { font-size: 16px; }
 .hero-actions .go { width: 100%; }
 .stamp { grid-template-columns: 1fr; gap: 4px; }
 .assure { grid-template-columns: 1fr; }
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}