/* roulang page: index */
:root {
  --ink:#241910;
  --paper:#F3EBDD;
  --paper-2:#E7DDD0;
  --night:#1C1612;
  --persimmon:#C45C26;
  --persimmon-deep:#8A3E12;
  --amber:#E2B15A;
  --plum:#5C4A6A;
  --line:rgba(36,25,16,.12);
  --cream:#F6F0E6;
  --card:#FFF9F2;
  --muted:rgba(36,25,16,.68);
  --muted-light:rgba(246,240,230,.76);
  --radius:28px;
  --shadow:0 18px 40px rgba(36,25,16,.12);
  --grad:linear-gradient(135deg,#2A1B12 0%,#C45C26 55%,#E2B15A 100%);
  --bs-body-color:#241910;
  --bs-body-bg:#F3EBDD;
  --bs-link-color:#8A3E12;
  --bs-link-hover-color:#C45C26;
  --bs-primary:#C45C26;
  --bs-border-color:rgba(36,25,16,.12);
}
*, *::before, *::after { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16.5px;
  line-height:1.75;
  font-weight:400;
}
img { max-width:100%; display:block; }
button, input, select { font-family:inherit; }
a { color:var(--persimmon-deep); text-decoration:none; }
a:hover { color:var(--persimmon); }
::selection { background:var(--amber); color:var(--ink); }
:focus-visible { outline:2px solid var(--amber); outline-offset:2px; }
[hidden] { display:none !important; }
h1, h2, h3, p { margin:0; }
h1 { font-size:40px; line-height:1.25; font-weight:700; }
h2 { font-size:28px; line-height:1.3; font-weight:700; }
h3 { font-size:20px; line-height:1.4; font-weight:700; }
.container { width:100%; max-width:1140px; margin:0 auto; padding-left:16px; padding-right:16px; }
.site-header {
  background:var(--night);
  position:sticky;
  top:0;
  z-index:40;
  box-shadow:0 8px 24px rgba(36,25,16,.18);
}
.header-bar { display:flex; align-items:center; gap:18px; min-height:76px; flex-wrap:wrap; }
.brand { display:flex; align-items:center; gap:10px; color:var(--cream); text-decoration:none; max-width:calc(100% - 56px); }
.brand:hover { color:var(--cream); }
.brand-mark {
  width:44px; height:44px; flex:none; border-radius:14px;
  display:grid; place-items:center; color:#fff; font-size:13px; font-weight:700;
  background:var(--grad);
}
.brand-name { font-size:16px; font-weight:700; line-height:1.35; color:var(--cream); }
.nav-toggle {
  margin-left:auto; width:44px; height:44px; border-radius:12px;
  border:1px solid rgba(246,240,230,.22); background:transparent;
  display:inline-flex; flex-direction:column; justify-content:center; align-items:center; gap:5px;
}
.nav-toggle span { display:block; width:18px; height:2px; background:var(--cream); border-radius:2px; }
.nav-list { display:flex; align-items:center; gap:22px; list-style:none; margin:0; padding:0; }
.nav-list a {
  color:var(--cream); font-size:15px; font-weight:500; padding:8px 2px 10px;
  border-bottom:2px solid transparent; white-space:nowrap;
}
.nav-list a:hover, .nav-list a.active { color:var(--cream); border-bottom-color:var(--persimmon); }
.nav-cta { white-space:nowrap; }
.btn-brand, .btn-line, .btn-ghost {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  border-radius:999px; padding:12px 22px; font-weight:700; font-size:15px;
  border:0; cursor:pointer; text-decoration:none; line-height:1.2;
  transition:transform .2s ease, filter .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-brand { background:var(--grad); color:#fff; }
.btn-brand:hover { color:#fff; transform:translateY(-2px); filter:brightness(.95); }
.btn-brand:active { transform:none; filter:brightness(.88); }
.btn-line { background:transparent; color:var(--ink); border:1px solid rgba(36,25,16,.28); }
.btn-line:hover { color:var(--persimmon-deep); border-color:var(--persimmon); transform:translateY(-2px); }
.btn-line:active { transform:none; }
.btn-ghost { background:transparent; color:var(--cream); border:1px solid rgba(246,240,230,.48); }
.btn-ghost:hover { color:var(--cream); background:rgba(246,240,230,.08); transform:translateY(-2px); }
.btn-ghost:active { transform:none; }
.btn-row { display:flex; flex-wrap:wrap; gap:12px; margin-top:22px; }
.block { padding:72px 0; }
.block-paper { background:var(--paper); }
.block-sand { background:var(--paper-2); }
.block-night { background:var(--night); color:var(--cream); }
.block-night h2, .block-night h3 { color:var(--cream); }
.section-head { max-width:760px; margin-bottom:28px; }
.section-head p, .value-line, .muted { color:var(--muted); }
.block-night .section-head p, .block-night .muted { color:var(--muted-light); }
.section-head p { margin-top:12px; }
.board-grid { display:grid; grid-template-columns:1.25fr .9fr; gap:32px; align-items:center; }
.value-line { margin:14px 0; font-weight:700; color:var(--persimmon-deep); }
.intro { margin-top:8px; }
.badge-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.badge-stat {
  border-radius:var(--radius); padding:18px 16px 16px; color:#fff; background:var(--grad);
  box-shadow:var(--shadow); min-height:112px;
}
.badge-stat strong { display:block; font-size:34px; line-height:1; font-weight:700; }
.badge-stat span { display:block; margin-top:8px; font-size:12px; letter-spacing:.04em; }
.panel {
  background:var(--card); color:var(--ink); border-radius:var(--radius);
  box-shadow:var(--shadow); border:1px solid rgba(36,25,16,.06); padding:28px;
}
.block-night .panel {
  background:rgba(246,240,230,.04); color:var(--cream);
  border:1px solid rgba(246,240,230,.12); box-shadow:none;
}
.lift { transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease; }
.lift:hover { transform:translateY(-4px); box-shadow:0 22px 46px rgba(36,25,16,.16); }
.block-night .lift:hover { box-shadow:none; border-color:rgba(246,240,230,.32); }
.matrix-card { position:relative; min-height:210px; display:flex; flex-direction:column; justify-content:flex-end; overflow:hidden; }
.matrix-card.m1 { min-height:280px; }
.matrix-card.m2 { min-height:220px; }
.matrix-card.m3 { min-height:240px; }
.matrix-card.m4 { min-height:200px; }
.matrix-card h3 { max-width:78%; }
.pill {
  display:inline-flex; align-items:center; border-radius:999px; padding:6px 12px;
  font-size:12px; font-weight:700; color:#fff; background:var(--grad); line-height:1.2;
}
.pill.corner { position:absolute; top:20px; right:20px; }
.text-link { font-weight:700; color:var(--persimmon-deep); }
.text-link:hover { color:var(--persimmon); }
.block-night .text-link { color:var(--amber); }
.cover { position:relative; border-radius:20px; overflow:hidden; aspect-ratio:16/9; background:#2A1B12; }
.cover img { width:100%; height:100%; object-fit:cover; border-radius:20px; }
.cover span {
  position:absolute; left:12px; bottom:10px; color:var(--cream); font-weight:700; font-size:14px;
  text-shadow:0 2px 8px rgba(36,25,16,.65);
}
.cover.light span { color:var(--ink); text-shadow:none; }
.compare-stats { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin:18px 0 12px; }
.compare-stats .badge-stat { min-height:96px; padding:14px 10px; }
.compare-stats .badge-stat strong { font-size:26px; }
.mile { list-style:none; display:grid; grid-template-columns:repeat(4,1fr); gap:18px; margin:0; padding:0; position:relative; }
.mile li { position:relative; padding-top:18px; }
.mile li::before {
  content:""; position:absolute; left:0; right:-18px; top:28px; height:2px; background:rgba(196,92,38,.45);
}
.mile li:last-child::before { right:18px; }
.dot {
  width:22px; height:22px; border-radius:50%; display:grid; place-items:center;
  background:var(--grad); color:#fff; font-size:11px; font-weight:700; position:relative; z-index:1;
}
.mile time { display:block; margin:10px 0 6px; color:var(--persimmon-deep); font-size:13px; font-weight:700; }
.mile p { margin-top:8px; color:var(--muted); font-size:15px; }
.news-feature { padding:0; overflow:hidden; }
.news-feature .copy { padding:28px; }
.news-rows { list-style:none; margin:16px 0 0; padding:0; display:flex; flex-direction:column; gap:12px; }
.news-rows li { display:grid; grid-template-columns:180px 1fr; gap:16px; align-items:center; }
.news-rows h3 { font-size:18px; margin-bottom:4px; }
.news-rows p, .card-copy { margin:8px 0 12px; color:var(--muted); }
.more-row { margin-top:22px; }
.guard-list { list-style:none; margin:0; padding:0; display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.guard-list li h3 { margin:12px 0 8px; font-size:18px; }
.qa-list { display:grid; grid-template-columns:1.15fr .85fr; gap:16px; }
.qa-item h3 { margin-bottom:8px; }
.faq-acc {
  --bs-accordion-btn-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%238A3E12'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  --bs-accordion-btn-active-icon:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23C45C26'%3E%3Cpath d='M8 5l5 5H3z'/%3E%3C/svg%3E");
  --bs-accordion-border-color:rgba(36,25,16,.12);
  --bs-accordion-bg:#FFF9F2;
  --bs-accordion-active-bg:#FFF9F2;
  --bs-accordion-active-color:#241910;
  --bs-accordion-btn-focus-box-shadow:0 0 0 2px #E2B15A;
  --bs-accordion-color:#241910;
}
.faq-acc .accordion-item { background:#FFF9F2; border:1px solid rgba(36,25,16,.12); border-radius:18px; overflow:hidden; margin-bottom:12px; }
.faq-acc .accordion-button { background:#FFF9F2; color:var(--ink); font-weight:700; font-size:17px; padding:18px 22px; box-shadow:none; }
.faq-acc .accordion-button:not(.collapsed) { background:#FFF9F2; color:var(--ink); box-shadow:inset 3px 0 0 var(--persimmon); }
.faq-acc .accordion-item:has(.accordion-collapse.show) { border-color:var(--persimmon); }
.faq-acc .accordion-body { color:var(--ink); padding:0 22px 18px; }
.lead-wrap { display:grid; grid-template-columns:1fr .82fr; gap:28px; align-items:start; }
.lead-card .form-label { font-weight:700; font-size:14px; margin-bottom:6px; color:var(--ink); }
.form-control, .form-select {
  border-radius:14px; border:1px solid rgba(36,25,16,.16); background:#fff; color:var(--ink);
  min-height:48px; padding:10px 14px; box-shadow:none;
}
.form-control:focus, .form-select:focus { border-color:var(--amber); box-shadow:0 0 0 2px rgba(226,177,90,.45); }
.form-ok, .form-err { margin-top:14px; padding:12px 14px; border-radius:14px; }
.form-ok { background:rgba(226,177,90,.22); border:1px solid var(--amber); color:var(--ink); }
.form-err { background:rgba(92,74,106,.1); border:1px solid var(--plum); color:var(--ink); }
.topic-rail { display:flex; gap:16px; overflow-x:auto; padding-bottom:8px; scroll-snap-type:x mandatory; }
.topic-card { flex:0 0 260px; scroll-snap-align:start; padding:16px; }
.topic-card h3 { font-size:18px; margin:12px 0; }
.scene-grid { display:grid; grid-template-columns:1.4fr 1fr; grid-template-rows:auto auto; gap:16px; }
.scene-card.s1 { grid-row:span 2; }
.scene-card h3 { margin:14px 0 8px; }
.clip-list { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:12px; }
.clip-item { display:grid; grid-template-columns:92px 1fr auto; gap:16px; align-items:center; }
.clip-no { font-size:28px; font-weight:700; color:var(--amber); line-height:1; }
.tone-row { display:grid; grid-template-columns:1.2fr .8fr .9fr 1.1fr; gap:12px; }
.tone-chip { border-radius:var(--radius); padding:22px; min-height:180px; color:#fff; }
.tone-chip h3 { color:#fff; margin-bottom:8px; }
.tone-chip p { color:rgba(255,255,255,.88); }
.tone-a { background:#C45C26; }
.tone-b { background:linear-gradient(160deg,#8A3E12,#C45C26); }
.tone-c { background:#2A1B12; }
.tone-d { background:#5C4A6A; }
.path-steps { display:grid; grid-template-columns:repeat(4,1fr); gap:14px; }
.path-step { padding:22px; }
.path-step b {
  width:36px; height:36px; border-radius:50%; display:grid; place-items:center; color:#fff;
  background:var(--grad); margin-bottom:12px; font-size:13px;
}
.cat-card { padding:0; overflow:hidden; display:flex; flex-direction:column; min-height:100%; }
.cat-card .copy { padding:24px 28px 28px; }
.update-list { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:0; }
.update-item { display:grid; grid-template-columns:120px 1fr; gap:18px; padding:18px 0; border-top:1px solid var(--line); }
.update-item time { font-weight:700; color:var(--persimmon-deep); }
.site-footer { background:var(--night); color:var(--cream); padding:56px 0 28px; }
.foot-grid { display:grid; grid-template-columns:1.4fr .8fr .8fr; gap:28px; }
.foot-label { font-weight:700; margin-bottom:12px; color:var(--amber); }
.foot-links { display:flex; flex-direction:column; gap:8px; }
.site-footer a { color:var(--cream); }
.site-footer a:hover { color:var(--amber); }
.foot-note { margin-top:12px; color:var(--muted-light); }
.adult-note { border-top:1px solid rgba(246,240,230,.12); margin-top:28px; padding-top:16px; color:var(--amber); font-size:14px; }
.copy-line { margin-top:6px; color:rgba(246,240,230,.62); font-size:13px; }
@media (min-width:992px) {
  .nav-toggle { display:none; }
  #navMain.collapse { display:flex !important; align-items:center; justify-content:flex-end; gap:26px; flex:1; height:auto !important; visibility:visible; }
}
@media (max-width:1199px) {
  .brand-name { font-size:14px; }
}
@media (max-width:991.98px) {
  h1 { font-size:30px; }
  h2 { font-size:24px; }
  .block { padding:40px 0; }
  .board-grid, .lead-wrap, .qa-list, .scene-grid, .tone-row, .path-steps, .mile, .foot-grid { grid-template-columns:1fr; }
  .badge-grid { grid-template-columns:1fr 1fr; }
  .mile li::before { display:none; }
  .scene-card.s1 { grid-row:auto; }
  .header-bar { min-height:68px; }
  #navMain { flex-basis:100%; }
  .nav-list { flex-direction:column; align-items:flex-start; gap:0; width:100%; }
  .nav-list a { display:block; width:100%; padding:12px 0; border-bottom:1px solid rgba(246,240,230,.12); }
  .nav-cta { margin:14px 0 16px; }
  .news-rows li, .clip-item, .update-item { grid-template-columns:1fr; }
  .compare-stats { grid-template-columns:1fr; }
}
@media (max-width:767.98px) {
  .guard-list { grid-template-columns:1fr; }
  .news-feature .copy { padding:18px; }
}
@media (max-width:520px) {
  body { font-size:16px; }
  h1 { font-size:30px; }
  h2 { font-size:22px; }
  .brand-name { font-size:13px; }
  .panel, .matrix-card { padding:20px; }
  .lead-card .btn-brand, .more-row .btn-brand { width:100%; }
  .badge-stat strong { font-size:28px; }
  .btn-row .btn-brand, .btn-row .btn-line { width:100%; }
}
@media (prefers-reduced-motion:reduce) {
  *, *::before, *::after { transition:none !important; scroll-behavior:auto !important; }
}

/* roulang page: category1 */
:root {
 --ink:#241910;
 --paper:#F3EBDD;
 --paper-2:#E7DDD0;
 --night:#1C1612;
 --persimmon:#C45C26;
 --persimmon-deep:#8A3E12;
 --amber:#E2B15A;
 --plum:#5C4A6A;
 --line:rgba(36,25,16,.12);
 --cream:#F6F0E6;
 --card:#FFF9F2;
 --muted:rgba(36,25,16,.68);
 --muted-light:rgba(246,240,230,.76);
 --radius:28px;
 --shadow:0 18px 40px rgba(36,25,16,.12);
 --grad:linear-gradient(135deg,#2A1B12 0%,#C45C26 55%,#E2B15A 100%);
 --bs-body-color:#241910;
 --bs-body-bg:#F3EBDD;
 --bs-link-color:#8A3E12;
 --bs-link-hover-color:#C45C26;
 --bs-primary:#C45C26;
 --bs-border-color:rgba(36,25,16,.12);
}
/* roulang page: category1 */
html { scroll-behavior:smooth; }
*, *::before, *::after { box-sizing:border-box; }
body {
 margin:0;
 background:var(--paper);
 color:var(--ink);
 font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
 font-size:16.5px;
 line-height:1.75;
 font-weight:400;
}
img { max-width:100%; display:block; }
button, input, select { font-family:inherit; }
a { color:var(--persimmon-deep); text-decoration:none; }
a:hover { color:var(--persimmon); }
h1, h2, h3 { font-weight:700; line-height:1.3; color:var(--ink); }
h1 { font-size:40px; line-height:1.25; margin:0 0 12px; }
h2 { font-size:28px; margin:0 0 12px; }
h3 { font-size:20px; margin:0 0 8px; }
p { margin:0 0 12px; }
.container { width:100%; max-width:1140px; margin:0 auto; padding-left:16px; padding-right:16px; }
.site-header {
 background:var(--night);
 position:sticky;
 top:0;
 z-index:40;
 box-shadow:0 8px 24px rgba(36,25,16,.18);
}
.header-bar { display:flex; align-items:center; gap:18px; min-height:76px; flex-wrap:wrap; }
.brand { display:flex; align-items:center; gap:10px; color:var(--cream); text-decoration:none; max-width:calc(100% - 56px); }
.brand:hover { color:var(--cream); }
.brand-mark {
 width:44px; height:44px; flex:none; border-radius:14px;
 display:grid; place-items:center; color:#fff; font-size:13px; font-weight:700;
 background:var(--grad);
}
.brand-name { font-size:16px; font-weight:700; line-height:1.35; color:var(--cream); }
.nav-toggle {
 margin-left:auto; width:44px; height:44px; border-radius:12px;
 border:1px solid rgba(246,240,230,.22); background:transparent;
 display:inline-flex; flex-direction:column; justify-content:center; align-items:center; gap:5px;
}
.nav-toggle span { display:block; width:18px; height:2px; background:var(--cream); border-radius:2px; }
.nav-toggle:focus-visible { outline:2px solid var(--amber); outline-offset:2px; }
.nav-list { display:flex; align-items:center; gap:22px; list-style:none; margin:0; padding:0; }
.nav-list a {
 color:var(--cream); font-size:15px; font-weight:500; padding:8px 2px 10px;
 border-bottom:2px solid transparent; white-space:nowrap;
}
.nav-list a:hover, .nav-list a.active { color:var(--cream); border-bottom-color:var(--persimmon); }
.nav-cta { white-space:nowrap; }
.btn-brand, .btn-line, .btn-ghost {
 display:inline-flex; align-items:center; justify-content:center; gap:6px;
 border-radius:999px; padding:12px 22px; font-weight:700; font-size:15px;
 border:0; cursor:pointer; text-decoration:none; line-height:1.2;
 transition:transform .2s ease, filter .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-brand { background:var(--grad); color:#fff; }
.btn-brand:hover { color:#fff; transform:translateY(-2px); filter:brightness(.95); }
.btn-brand:active { transform:none; filter:brightness(.88); }
.btn-line { background:transparent; color:var(--ink); border:1px solid rgba(36,25,16,.28); }
.btn-line:hover { color:var(--persimmon-deep); border-color:var(--persimmon); transform:translateY(-2px); }
.btn-line:active { transform:none; }
.btn-ghost { background:transparent; color:var(--cream); border:1px solid rgba(246,240,230,.48); }
.btn-ghost:hover { color:var(--cream); background:rgba(246,240,230,.08); transform:translateY(-2px); }
.btn-ghost:active { transform:none; }
.btn-brand:focus-visible, .btn-line:focus-visible, .btn-ghost:focus-visible, a:focus-visible {
 outline:2px solid var(--amber); outline-offset:3px;
}
.btn-row { display:flex; flex-wrap:wrap; gap:12px; margin-top:22px; }
.section-head { max-width:760px; margin-bottom:28px; }
.section-head p, .value-line, .muted { color:var(--muted); }
.block-night .section-head p, .block-night .muted, .block-night .value-line { color:var(--muted-light); }
.section-head p { margin-top:12px; }
.pill {
 display:inline-flex; align-items:center; border-radius:999px; padding:6px 12px;
 font-size:12px; font-weight:700; color:#fff; background:var(--grad); line-height:1.2;
}
.pill.corner { position:absolute; top:16px; right:16px; z-index:2; }
.text-link { font-weight:700; color:var(--persimmon-deep); white-space:nowrap; }
.text-link:hover { color:var(--persimmon); }
.block-night .text-link { color:var(--amber); }
.block { background:var(--paper); padding:72px 0; }
.block-soft { background:var(--paper-2); }
.block-night { background:var(--night); color:var(--cream); }
.block-night h2, .block-night h3 { color:var(--cream); }
.eyebrow {
 display:inline-flex; align-items:center; gap:8px; margin:0 0 14px;
 font-size:12px; font-weight:700; letter-spacing:.08em; color:var(--persimmon-deep);
}
.cat-hero { display:grid; grid-template-columns:1.15fr .95fr; gap:36px; align-items:center; }
.cover-frame {
 position:relative; border-radius:20px; overflow:hidden; aspect-ratio:16/9;
 background:var(--grad); box-shadow:var(--shadow);
}
.cover-frame img { width:100%; height:100%; object-fit:cover; }
.cover-frame::after {
 content:""; position:absolute; inset:0;
 background:linear-gradient(180deg, rgba(28,22,18,.05) 20%, rgba(28,22,18,.42) 100%);
 pointer-events:none;
}
.filter-card {
 background:var(--card); border-radius:var(--radius); box-shadow:var(--shadow);
 border:1px solid var(--line); padding:22px 24px;
 display:grid; grid-template-columns:1.1fr 1.3fr .9fr; gap:18px;
}
.filter-label { display:block; font-size:13px; font-weight:700; margin-bottom:10px; }
.filter-pills { display:flex; flex-wrap:wrap; gap:8px; }
.chip { position:relative; margin:0; }
.chip input { position:absolute; opacity:0; pointer-events:none; }
.chip span {
 display:inline-flex; align-items:center; border-radius:999px; padding:8px 14px;
 border:1px solid var(--line); background:#fff; color:var(--ink);
 font-size:13px; font-weight:700; cursor:pointer;
 transition:transform .2s ease, border-color .2s ease, background .2s ease;
}
.chip:hover span { transform:translateY(-2px); border-color:var(--persimmon); }
.chip input:checked + span { background:var(--grad); color:#fff; border-color:transparent; }
.chip input:focus-visible + span { outline:2px solid var(--amber); outline-offset:2px; }
.feature-wide {
 display:grid; grid-template-columns:1.35fr .9fr; background:var(--card);
 border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow); border:1px solid var(--line);
 transition:transform .2s ease, box-shadow .2s ease;
}
.feature-wide:hover { transform:translateY(-4px); box-shadow:0 22px 46px rgba(36,25,16,.16); }
.feature-wide .cover-frame { border-radius:0; height:100%; min-height:240px; box-shadow:none; }
.feature-copy { padding:32px 28px; display:flex; flex-direction:column; justify-content:center; }
.meta-row { display:flex; flex-wrap:wrap; gap:8px; margin-bottom:12px; }
.tag {
 display:inline-flex; align-items:center; border-radius:999px; padding:4px 10px;
 font-size:12px; font-weight:700; color:var(--persimmon-deep); background:rgba(196,92,38,.12);
}
.slim-wrap { max-width:860px; margin-top:18px; }
.slim-list { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:12px; }
.slim-item {
 display:grid; grid-template-columns:168px 1fr auto; gap:16px; align-items:center;
 background:var(--card); border:1px solid var(--line); border-radius:20px; padding:12px;
 box-shadow:var(--shadow); transition:transform .2s ease, box-shadow .2s ease;
}
.slim-item:hover { transform:translateY(-4px); box-shadow:0 22px 46px rgba(36,25,16,.16); }
.slim-item .cover-frame { box-shadow:none; border-radius:14px; }
.slim-item h3 { font-size:18px; margin-bottom:4px; }
.slim-item p { margin:0; color:var(--muted); font-size:14px; }
.stat-row { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.badge-stat {
 border-radius:var(--radius); padding:22px 18px 18px; color:#fff; background:var(--grad);
 box-shadow:var(--shadow); min-height:132px;
}
.badge-stat strong { display:block; font-size:36px; line-height:1; font-weight:700; }
.badge-stat span { display:block; margin-top:10px; font-size:13px; }
.scene-board {
 display:grid; grid-template-columns:1.45fr 1fr .85fr; grid-auto-rows:148px; gap:14px;
}
.scene-tile {
 position:relative; overflow:hidden; border-radius:var(--radius); padding:22px;
 color:#fff; display:flex; flex-direction:column; justify-content:flex-end;
 border:1px solid rgba(246,240,230,.12); min-height:148px;
 transition:transform .2s ease, box-shadow .2s ease;
}
.scene-tile:hover { transform:translateY(-4px); box-shadow:0 22px 46px rgba(36,25,16,.16); }
.scene-tile.big { grid-row:span 2; min-height:310px; }
.scene-tile h3 { color:#fff; margin:0 0 6px; }
.scene-tile p { margin:0; color:rgba(246,240,230,.82); font-size:14px; }
.scene-tile.s1 { background:linear-gradient(160deg,#2A1B12,#8A3E12 70%); }
.scene-tile.s2 { background:linear-gradient(160deg,#5C4A6A,#C45C26); }
.scene-tile.s3 { background:linear-gradient(200deg,#8A3E12,#E2B15A); color:var(--ink); }
.scene-tile.s3 h3 { color:var(--ink); }
.scene-tile.s3 p { color:rgba(36,25,16,.72); }
.scene-tile.s4 { background:#2A1B12; }
.scene-tile.s5 { background:linear-gradient(135deg,#1C1612,#5C4A6A); }
.relate-row { display:grid; grid-template-columns:1.35fr 1fr 1fr 1fr; gap:14px; }
.relate-card {
 background:var(--card); border-radius:var(--radius); overflow:hidden; border:1px solid var(--line);
 box-shadow:var(--shadow); display:flex; flex-direction:column;
 transition:transform .2s ease, box-shadow .2s ease;
}
.relate-card:hover { transform:translateY(-4px); box-shadow:0 22px 46px rgba(36,25,16,.16); }
.relate-card .copy { padding:18px 18px 20px; }
.relate-card p { color:var(--muted); font-size:14px; margin:0 0 10px; }
.point-grid { display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:14px; }
.point-item {
 background:var(--card); border-radius:var(--radius); border:1px solid var(--line);
 box-shadow:var(--shadow); padding:24px;
}
.point-item.wide { grid-row:span 2; background:var(--grad); color:#fff; }
.point-item.wide h3, .point-item.wide p { color:#fff; }
.point-item p { margin:0; color:var(--muted); }
.point-no { display:block; font-size:12px; font-weight:700; letter-spacing:.06em; margin-bottom:8px; color:var(--persimmon); }
.point-item.wide .point-no { color:#fff; }
.continue-bar {
 display:flex; justify-content:space-between; align-items:center; gap:18px;
 padding:28px 32px; border-radius:var(--radius);
 background:rgba(246,240,230,.06); border:1px solid rgba(246,240,230,.12);
}
.site-footer { background:var(--night); color:var(--cream); padding:56px 0 28px; }
.foot-grid { display:grid; grid-template-columns:1.3fr .8fr .9fr; gap:28px; }
.foot-note { color:var(--muted-light); margin-top:14px; }
.foot-label { font-size:13px; font-weight:700; margin:0 0 10px; color:var(--amber); }
.foot-links { display:flex; flex-direction:column; gap:8px; }
.foot-links a { color:var(--cream); }
.foot-links a:hover { color:var(--amber); }
.adult-note, .copy-line { margin:22px 0 0; color:var(--muted-light); font-size:13px; }
@media (min-width:992px) {
 .nav-toggle { display:none; }
 #navMain.collapse { display:flex !important; align-items:center; gap:22px; margin-left:auto; height:auto !important; }
}
@media (max-width:991.98px) {
 #navMain { width:100%; }
 .nav-list { flex-direction:column; align-items:flex-start; gap:4px; padding:8px 0 12px; }
 .nav-cta { margin:4px 0 14px; }
 .cat-hero, .feature-wide, .filter-card, .relate-row, .point-grid, .scene-board, .foot-grid {
 grid-template-columns:1fr;
 }
 .scene-board { grid-auto-rows:auto; }
 .scene-tile.big { grid-row:auto; min-height:220px; }
 .point-item.wide { grid-row:auto; }
 .stat-row { grid-template-columns:1fr 1fr; }
 .badge-stat:last-child { grid-column:1 / -1; }
}
@media (max-width:768px) {
 h1 { font-size:30px; }
 h2 { font-size:24px; }
 .block { padding:40px 0; }
 .slim-item { grid-template-columns:112px 1fr; }
 .slim-item .text-link { grid-column:2; }
 .continue-bar { flex-direction:column; align-items:flex-start; }
 .feature-copy, .continue-bar { padding:22px; }
 .relate-row { display:flex; overflow-x:auto; gap:12px; padding-bottom:8px; }
 .relate-card { min-width:240px; flex:none; }
}
@media (max-width:520px) {
 .brand-name { font-size:14px; }
 .stat-row, .point-grid { grid-template-columns:1fr; }
 .badge-stat:last-child { grid-column:auto; }
 .header-bar { min-height:68px; }
 .btn-brand, .btn-line, .btn-ghost { padding:11px 16px; }
}

/* roulang page: category2 */
:root {
 --ink:#241910;
 --paper:#F3EBDD;
 --paper-2:#E7DDD0;
 --night:#1C1612;
 --persimmon:#C45C26;
 --persimmon-deep:#8A3E12;
 --amber:#E2B15A;
 --plum:#5C4A6A;
 --line:rgba(36,25,16,.12);
 --cream:#F6F0E6;
 --card:#FFF9F2;
 --muted:rgba(36,25,16,.68);
 --muted-light:rgba(246,240,230,.76);
 --radius:28px;
 --shadow:0 18px 40px rgba(36,25,16,.12);
 --grad:linear-gradient(135deg,#2A1B12 0%,#C45C26 55%,#E2B15A 100%);
 --bs-body-color:#241910;
 --bs-body-bg:#F3EBDD;
 --bs-link-color:#8A3E12;
 --bs-link-hover-color:#C45C26;
 --bs-primary:#C45C26;
 --bs-border-color:rgba(36,25,16,.12);
}
/* roulang page: category2 */
html { scroll-behavior:smooth; }
*, *::before, *::after { box-sizing:border-box; }
body {
 margin:0;
 background:var(--paper);
 color:var(--ink);
 font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
 font-size:16.5px;
 line-height:1.75;
 font-weight:400;
}
img { max-width:100%; display:block; }
button, input, select { font-family:inherit; }
a { color:var(--persimmon-deep); text-decoration:none; }
a:hover { color:var(--persimmon); }
:focus-visible { outline:2px solid var(--amber); outline-offset:2px; }
.container { width:100%; max-width:1140px; margin:0 auto; padding-left:16px; padding-right:16px; }
.site-header {
 background:var(--night);
 position:sticky;
 top:0;
 z-index:40;
 box-shadow:0 8px 24px rgba(36,25,16,.18);
}
.header-bar { display:flex; align-items:center; gap:18px; min-height:76px; flex-wrap:wrap; }
.brand { display:flex; align-items:center; gap:10px; color:var(--cream); text-decoration:none; max-width:calc(100% - 56px); }
.brand:hover { color:var(--cream); }
.brand-mark {
 width:44px; height:44px; flex:none; border-radius:14px;
 display:grid; place-items:center; color:#fff; font-size:13px; font-weight:700;
 background:var(--grad);
}
.brand-name { font-size:16px; font-weight:700; line-height:1.35; color:var(--cream); }
.nav-toggle {
 margin-left:auto; width:44px; height:44px; border-radius:12px;
 border:1px solid rgba(246,240,230,.22); background:transparent;
 display:none; flex-direction:column; justify-content:center; align-items:center; gap:5px;
}
.nav-toggle span { display:block; width:18px; height:2px; background:var(--cream); border-radius:2px; }
.nav-list { display:flex; align-items:center; gap:22px; list-style:none; margin:0; padding:0; }
.nav-list a {
 color:var(--cream); font-size:15px; font-weight:500; padding:8px 2px 10px;
 border-bottom:2px solid transparent; white-space:nowrap;
}
.nav-list a:hover, .nav-list a.active, .nav-list a:focus-visible { color:var(--cream); border-bottom-color:var(--persimmon); }
.nav-cta { white-space:nowrap; }
.btn-brand, .btn-line, .btn-ghost {
 display:inline-flex; align-items:center; justify-content:center; gap:6px;
 border-radius:999px; padding:12px 22px; font-weight:700; font-size:15px;
 border:0; cursor:pointer; text-decoration:none; line-height:1.2;
 transition:transform .2s ease, filter .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
}
.btn-brand { background:var(--grad); color:#fff; }
.btn-brand:hover { color:#fff; transform:translateY(-2px); filter:brightness(.95); }
.btn-brand:active { transform:none; filter:brightness(.88); }
.btn-line { background:transparent; color:var(--ink); border:1px solid rgba(36,25,16,.28); }
.btn-line:hover { color:var(--persimmon-deep); border-color:var(--persimmon); transform:translateY(-2px); }
.btn-line:active { transform:none; }
.btn-ghost { background:transparent; color:var(--cream); border:1px solid rgba(246,240,230,.48); }
.btn-ghost:hover { color:var(--cream); background:rgba(246,240,230,.08); transform:translateY(-2px); }
.btn-ghost:active { transform:none; }
.section { padding:72px 0; }
.block-night { background:var(--night); color:var(--cream); }
.block-paper { background:var(--paper); color:var(--ink); }
.block-paper2 { background:var(--paper-2); color:var(--ink); }
.block-night .muted, .block-night .value-line { color:var(--muted-light); }
.muted, .value-line { color:var(--muted); }
h1 { font-size:40px; line-height:1.25; font-weight:700; margin:0 0 12px; }
h2 { font-size:28px; line-height:1.35; font-weight:700; margin:0 0 14px; }
h3 { font-size:20px; line-height:1.45; font-weight:700; margin:0 0 8px; }
p { margin:0 0 10px; }
.eyebrow { margin:0 0 10px; color:var(--amber); font-size:13px; font-weight:700; letter-spacing:.06em; }
.band-line { width:72px; height:3px; border-radius:999px; background:var(--persimmon); margin:18px 0 0; }
.section-head { max-width:760px; margin-bottom:28px; }
.pill {
 display:inline-flex; align-items:center; border-radius:999px; padding:6px 12px;
 font-size:12px; font-weight:700; color:#fff; background:var(--grad); line-height:1.2;
}
.pill-row { display:flex; flex-wrap:wrap; gap:8px; margin:12px 0; }
.text-link { font-weight:700; color:var(--persimmon-deep); }
.text-link:hover { color:var(--persimmon); }
.block-night .text-link { color:var(--amber); }
.cover { border-radius:20px; overflow:hidden; background:#2A1B12; }
.cover img { width:100%; height:100%; aspect-ratio:16/9; object-fit:cover; border-radius:20px; }
.dir-grid { display:grid; grid-template-columns:280px 1fr; gap:28px; align-items:start; }
.dir-nav { position:sticky; top:96px; display:flex; flex-direction:column; gap:8px; }
.dir-nav a {
 display:block; padding:12px 14px; border-radius:16px; background:var(--card);
 border:1px solid var(--line); color:var(--ink); font-weight:700;
 transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.dir-nav a:hover { color:var(--persimmon-deep); border-color:var(--persimmon); transform:translateY(-2px); }
.sum-list { display:flex; flex-direction:column; gap:14px; }
.sum-card {
 background:var(--card); border-radius:var(--radius); padding:24px 28px;
 box-shadow:var(--shadow); border:1px solid transparent;
 transition:transform .2s ease, box-shadow .2s ease;
}
.sum-card:hover { transform:translateY(-4px); box-shadow:0 22px 44px rgba(36,25,16,.16); }
.sum-card p { color:var(--muted); }
.time-sheet { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:16px; }
.time-sheet li { display:grid; grid-template-columns:88px 1fr; gap:16px; align-items:stretch; }
.time-sheet time { color:var(--amber); font-weight:700; padding-top:22px; font-size:14px; }
.time-card {
 display:grid; grid-template-columns:240px 1fr; gap:16px; align-items:center;
 border:1px solid rgba(246,240,230,.12); border-radius:var(--radius); padding:12px;
 background:rgba(246,240,230,.03);
 transition:transform .2s ease, border-color .2s ease;
}
.time-card:hover { transform:translateY(-4px); border-color:rgba(226,177,90,.7); }
.time-card h3 { font-size:18px; }
.time-card h3 a { color:var(--cream); }
.time-card h3 a:hover { color:var(--amber); }
.time-card p { color:var(--muted-light); margin:0 0 8px; }
.more-row { margin-top:22px; }
.narrow-compare { display:grid; grid-template-columns:1fr auto 1fr; gap:12px; align-items:stretch; }
.cmp {
 background:var(--card); border-radius:var(--radius); padding:22px 22px 18px;
 box-shadow:var(--shadow);
}
.cmp p { color:var(--muted); }
.vs-mark {
 align-self:center; width:46px; height:46px; border-radius:999px;
 display:grid; place-items:center; background:var(--grad); color:#fff;
 font-size:12px; font-weight:700;
}
.mini-row { display:flex; flex-wrap:wrap; gap:8px; margin-top:12px; }
.mini-row span {
 background:var(--grad); color:#fff; border-radius:999px; padding:8px 12px; min-width:86px;
}
.mini-row strong { display:block; font-size:18px; line-height:1; }
.mini-row small { display:block; margin-top:4px; font-size:12px; }
.node-grid { display:grid; grid-template-columns:1.35fr .8fr; gap:16px; align-items:stretch; }
.node-stack { display:grid; gap:16px; }
.node {
 border-radius:var(--radius); overflow:hidden;
 border:1px solid rgba(246,240,230,.12); background:rgba(246,240,230,.03);
 transition:transform .2s ease, border-color .2s ease;
}
.node:hover { transform:translateY(-4px); border-color:rgba(226,177,90,.7); }
.node .copy { padding:16px 18px 18px; }
.node p { color:var(--muted-light); margin:0; }
.node h3 a { color:var(--cream); }
.node h3 a:hover { color:var(--amber); }
.point-list { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:12px; }
.point-list li {
 background:var(--card); border-radius:18px; padding:16px 18px 16px 20px;
 border-left:4px solid var(--persimmon); box-shadow:var(--shadow);
}
.point-list strong { display:block; margin-bottom:4px; }
.point-list span { color:var(--muted); }
.faq-acc { --bs-accordion-border-width:0; --bs-accordion-btn-focus-box-shadow:none; }
.faq-acc .accordion-item {
 background:transparent; color:var(--cream);
 border:1px solid rgba(246,240,230,.16); border-radius:18px !important;
 overflow:hidden; margin-bottom:12px;
}
.faq-acc .accordion-item:has(.show) { border-color:var(--persimmon); }
.faq-acc .accordion-button {
 background:transparent; color:var(--cream); font-weight:700; font-size:17px;
 box-shadow:none; padding:16px 18px;
}
.faq-acc .accordion-button:not(.collapsed) { background:rgba(196,92,38,.18); color:var(--cream); }
.faq-acc .accordion-button::after { filter:invert(1) sepia(1) saturate(3) hue-rotate(350deg); }
.faq-acc .accordion-body { color:var(--muted-light); padding:0 18px 16px; }
.lead-bar {
 display:flex; align-items:center; gap:16px; flex-wrap:wrap;
 background:var(--card); border-radius:var(--radius); padding:18px 22px;
 box-shadow:var(--shadow);
}
.lead-bar h2 { margin:0; font-size:22px; }
.lead-form { display:flex; gap:10px; flex:1; min-width:240px; }
.lead-form input {
 flex:1; min-width:0; border-radius:14px; border:1px solid var(--line);
 background:#fff; color:var(--ink); padding:12px 14px; font-size:15px;
}
.lead-form input:focus { border-color:var(--persimmon); outline:2px solid var(--amber); }
.form-ok { flex:1 0 100%; margin:0; color:var(--persimmon-deep); font-weight:700; }
.site-footer { background:var(--night); color:var(--cream); padding:56px 0 28px; }
.foot-grid { display:grid; grid-template-columns:1.4fr .8fr .8fr; gap:28px; }
.foot-note, .adult-note, .copy-line { color:var(--muted-light); }
.foot-label { font-weight:700; margin:0 0 10px; }
.foot-links { display:flex; flex-direction:column; gap:8px; }
.foot-links a { color:var(--cream); }
.foot-links a:hover { color:var(--amber); }
.adult-note { margin:28px 0 6px; border-top:1px solid rgba(246,240,230,.12); padding-top:16px; }
.copy-line { margin:0; font-size:13px; }
@media (min-width:992px) {
 .nav-toggle { display:none; }
 #navMain.collapse { display:flex !important; align-items:center; margin-left:auto; gap:22px; height:auto !important; }
}
@media (max-width:991.98px) {
 .nav-toggle { display:inline-flex; }
 #navMain.collapse.show {
 display:flex; flex-direction:column; align-items:flex-start; width:100%;
 gap:8px; padding:4px 0 16px;
 }
 .nav-list { flex-direction:column; align-items:flex-start; gap:4px; width:100%; }
 .dir-grid, .node-grid, .foot-grid { grid-template-columns:1fr; }
 .dir-nav { position:static; }
}
@media (max-width:768px) {
 .section { padding:40px 0; }
 h1 { font-size:30px; }
 h2 { font-size:24px; }
 .time-sheet li, .time-card, .narrow-compare { grid-template-columns:1fr; }
 .vs-mark { justify-self:center; }
 .lead-bar { align-items:stretch; }
 .lead-form { flex-direction:column; }
 .time-sheet time { padding-top:0; }
}
@media (max-width:520px) {
 .brand-name { font-size:14px; }
 .header-bar { min-height:68px; }
 .sum-card, .cmp, .lead-bar { padding:16px; }
 .btn-brand, .btn-ghost, .btn-line { width:100%; }
 .more-row .btn-ghost, .lead-form .btn-brand { width:100%; }
}

/* 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}
