/* roulang page: index */
:root {
  --ink: #1C2430;
  --mute: #5C6B80;
  --brand: #2F6FED;
  --coral: #E86A4A;
  --coral-deep: #d4593a;
  --line: #E3E8F0;
  --paper: #F5F7FB;
  --mist: #EEF3FA;
  --card: #FFFFFF;
  --shadow: 0 10px 28px rgba(28,36,48,.06);
  --shadow-hover: 0 16px 36px rgba(28,36,48,.10);
  --radius-card: 16px;
  --radius-btn: 10px;
  --header: 68px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
section[id] { scroll-margin-top: 84px; }
.cmd {
  background: #F3F6FB;
  border: 1px solid transparent;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.cmd:focus-within {
  background: #fff;
  border-color: var(--brand);
  box-shadow: 0 0 0 2px rgba(47,111,237,.18);
}
.pick.is-on {
  color: var(--brand);
  border-color: var(--brand);
  background: #fff;
}
.poster { position: relative; overflow: hidden; }
.poster svg.mark { position: absolute; inset: auto auto 12px 12px; }
.tone-1 { background: linear-gradient(155deg, #E6EEFB 0%, #F8FAFD 58%, #F8E8E2 100%); }
.tone-2 { background: linear-gradient(160deg, #EAF1FB 0%, #F7F9FC 50%, #E7F0EA 100%); }
.tone-3 { background: linear-gradient(150deg, #F4EFEA 0%, #F7F9FC 55%, #E4ECF8 100%); }
.tone-4 { background: linear-gradient(165deg, #E8F0FA 0%, #F8F9FC 62%, #F6E4DC 100%); }
.dock {
  position: fixed;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-hover);
}
@media (max-width: 1023px) {
  body { padding-bottom: 76px; }
  .dock {
    left: 0; right: 0; bottom: 0;
    padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
    border-radius: 0;
    border-left: 0; border-right: 0; border-bottom: 0;
  }
}
@media (min-width: 1024px) {
  body { padding-bottom: 28px; }
  .dock {
    right: 24px; bottom: 24px; left: auto;
    width: max-content;
    padding: 8px 8px 8px 16px;
    border-radius: 999px;
  }
}
details.faq { border-bottom: 1px solid var(--line); }
details.faq summary { list-style: none; cursor: pointer; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq[open] summary .chev { transform: rotate(180deg); }
.chev { transition: transform .18s ease; }
.nav-link { position: relative; }
.nav-link.is-active { color: var(--brand); }
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -6px;
  height: 2px;
  border-radius: 2px;
  background: var(--brand);
}
@media (max-width: 520px) {
  .h1-tight { font-size: 30px; }
}

/* roulang page: category2 */
:root {
 --ink: #1C2430;
 --mute: #5C6B80;
 --brand: #2F6FED;
 --coral: #E86A4A;
 --coral-deep: #d4593a;
 --line: #E3E8F0;
 --paper: #F5F7FB;
 --mist: #EEF3FA;
 --card: #FFFFFF;
 --shadow: 0 10px 28px rgba(28,36,48,.06);
 --shadow-hover: 0 16px 36px rgba(28,36,48,.10);
 --radius-card: 16px;
 --radius-btn: 10px;
 --header: 68px;
}
/* roulang page: index */
:root {
 --ink: #1C2430;
 --mute: #5C6B80;
 --brand: #2F6FED;
 --coral: #E86A4A;
 --coral-deep: #d4593a;
 --line: #E3E8F0;
 --paper: #F5F7FB;
 --mist: #EEF3FA;
 --card: #FFFFFF;
 --shadow: 0 10px 28px rgba(28,36,48,.06);
 --shadow-hover: 0 16px 36px rgba(28,36,48,.10);
 --radius-card: 16px;
 --radius-btn: 10px;
 --header: 68px;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 color: var(--ink);
 background: var(--paper);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
section[id] { scroll-margin-top: 84px; }
body { padding-bottom: 76px; }
body { padding-bottom: 28px; }
details.faq { border-bottom: 1px solid var(--line); }
details.faq summary { list-style: none; cursor: pointer; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq[open] summary .chev { transform: rotate(180deg); }
.nav-link { position: relative; }
.nav-link.is-active { color: var(--brand); }
.nav-link.is-active::after {
 content: "";
 position: absolute;
 left: 0; right: 0; bottom: -6px;
 height: 2px;
 border-radius: 2px;
 background: var(--brand);
}
@media (max-width: 1023px) {
 body { padding-bottom: 76px; }
 .dock {
 left: 0; right: 0; bottom: 0;
 padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
 border-radius: 0;
 border-left: 0; border-right: 0; border-bottom: 0;
 }
}
@media (min-width: 1024px) {
 body { padding-bottom: 28px; }
 .dock {
 right: 24px; bottom: 24px; left: auto;
 width: max-content;
 padding: 8px 8px 8px 16px;
 border-radius: 999px;
 }
}
@media (max-width: 520px) {
 .h1-tight { font-size: 30px; }
}
.text-ink { color: var(--ink); }
.text-mute { color: var(--mute); }
.text-brand { color: var(--brand); }
.bg-brand { background-color: var(--brand); }
.bg-paper { background-color: var(--paper); }
.bg-mist { background-color: var(--mist); }
.border-line { border-color: var(--line); }
.hover\:text-brand:hover { color: var(--brand); }
body { padding-bottom: 24px; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 2px; }
input::placeholder { color: #8A97A8; }
.cmd-search {
 background: #EEF2F7;
 border: 1px solid transparent;
 border-radius: 999px;
 transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.cmd-search:focus-within {
 background: #fff;
 border-color: var(--brand);
 box-shadow: 0 0 0 3px rgba(47,111,237,.16);
}
.tag {
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
 border-radius: 999px;
 padding: 6px 14px;
 font-size: 14px;
 line-height: 1.4;
 white-space: nowrap;
 transition: background .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.tag:hover { border-color: var(--brand); color: var(--brand); }
.tag.is-on { background: var(--brand); border-color: var(--brand); color: #fff; }
.tag-row { scrollbar-width: none; }
.tag-row::-webkit-scrollbar { display: none; }
.piece {
 background: var(--card);
 border: 1px solid var(--line);
 border-radius: var(--radius-card);
 box-shadow: var(--shadow);
 overflow: hidden;
 transition: transform .18s ease, box-shadow .18s ease;
}
.piece:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.btn-coral, .btn-line {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 40px;
 padding: 0 16px;
 border-radius: var(--radius-btn);
 font-size: 14px;
 font-weight: 600;
 transition: background .18s ease, color .18s ease, box-shadow .18s ease, border-color .18s ease, transform .18s ease;
}
.btn-coral { background: var(--coral); color: #fff; }
.btn-coral:hover { background: var(--coral-deep); box-shadow: 0 8px 18px rgba(232,106,74,.28); }
.btn-line { background: #fff; color: var(--brand); border: 1px solid var(--brand); }
.btn-line:hover { background: var(--mist); }
.chev { transition: transform .18s ease; }
.cmp-row + .cmp-row { border-top: 1px solid var(--line); }
@media (max-width: 1023px) {
 body { padding-bottom: 24px; }
 #drawer[hidden] { display: none; }
}
@media (min-width: 1024px) {
 body { padding-bottom: 24px; }
 #drawer { display: none !important; }
}
@media (max-width: 520px) {
 .h1-tight { font-size: 30px; line-height: 1.25; }
}

/* roulang page: category1 */
:root {
 --ink: #1C2430;
 --mute: #5C6B80;
 --brand: #2F6FED;
 --coral: #E86A4A;
 --coral-deep: #d4593a;
 --line: #E3E8F0;
 --paper: #F5F7FB;
 --mist: #EEF3FA;
 --card: #FFFFFF;
 --shadow: 0 10px 28px rgba(28,36,48,.06);
 --shadow-hover: 0 16px 36px rgba(28,36,48,.10);
 --radius-card: 16px;
 --radius-btn: 10px;
 --header: 68px;
}
/* roulang page: index */
:root {
 --ink: #1C2430;
 --mute: #5C6B80;
 --brand: #2F6FED;
 --coral: #E86A4A;
 --coral-deep: #d4593a;
 --line: #E3E8F0;
 --paper: #F5F7FB;
 --mist: #EEF3FA;
 --card: #FFFFFF;
 --shadow: 0 10px 28px rgba(28,36,48,.06);
 --shadow-hover: 0 16px 36px rgba(28,36,48,.10);
 --radius-card: 16px;
 --radius-btn: 10px;
 --header: 68px;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 color: var(--ink);
 background: var(--paper);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 16px;
 line-height: 1.75;
 text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }
section[id] { scroll-margin-top: 84px; }
body { padding-bottom: 76px; }
body { padding-bottom: 28px; }
details.faq { border-bottom: 1px solid var(--line); }
details.faq summary { list-style: none; cursor: pointer; }
details.faq summary::-webkit-details-marker { display: none; }
details.faq[open] summary .chev { transform: rotate(180deg); }
.nav-link { position: relative; }
.nav-link.is-active { color: var(--brand); }
.nav-link.is-active::after {
 content: "";
 position: absolute;
 left: 0; right: 0; bottom: -6px;
 height: 2px;
 border-radius: 2px;
 background: var(--brand);
}
@media (max-width: 1023px) {
 body { padding-bottom: 76px; }
 .dock {
 left: 0; right: 0; bottom: 0;
 padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
 border-radius: 0;
 border-left: 0; border-right: 0; border-bottom: 0;
 }
}
@media (min-width: 1024px) {
 body { padding-bottom: 28px; }
 .dock {
 right: 24px; bottom: 24px; left: auto;
 width: max-content;
 padding: 8px 8px 8px 16px;
 border-radius: 999px;
 }
}
@media (max-width: 520px) {
 .h1-tight { font-size: 30px; }
}
*, *::before, *::after { box-sizing: border-box; }
body.page-xin { padding-bottom: 28px; }
@media (max-width: 1023px) {
 body.page-xin { padding-bottom: 28px; }
}
.site-header { height: auto; min-height: var(--header); background: #fff; }
.logo-name { font-size: 15px; font-weight: 650; letter-spacing: 0; line-height: 1.25; color: var(--ink); }
.cmd-search {
 display: flex;
 align-items: center;
 gap: 8px;
 height: 40px;
 padding: 0 14px;
 border-radius: 999px;
 background: #F3F5F9;
 border: 1px solid transparent;
 transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.cmd-search:focus-within {
 background: #fff;
 border-color: var(--brand);
 box-shadow: 0 0 0 3px rgba(47,111,237,.16);
}
.cmd-search input {
 width: 100%;
 border: 0;
 outline: 0;
 background: transparent;
 font-size: 14px;
 color: var(--ink);
}
.cmd-search input::placeholder { color: #8A97A8; }
.btn-coral, .btn-line {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 40px;
 padding: 0 16px;
 border-radius: var(--radius-btn);
 font-size: 14px;
 font-weight: 600;
 line-height: 1;
 white-space: nowrap;
 transition: background .18s ease, box-shadow .18s ease, transform .18s ease, border-color .18s ease;
}
.btn-coral {
 background: var(--coral);
 color: #fff;
 box-shadow: 0 8px 16px rgba(232,106,74,.18);
}
.btn-coral:hover { background: var(--coral-deep); box-shadow: 0 12px 22px rgba(232,106,74,.26); }
.btn-coral:active { transform: translateY(1px); }
.btn-line {
 background: #fff;
 color: var(--brand);
 border: 1px solid var(--brand);
}
.btn-line:hover { background: var(--mist); }
.icon-btn {
 display: inline-grid;
 place-items: center;
 width: 40px;
 height: 40px;
 border-radius: 10px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--ink);
}
.icon-btn:hover { border-color: var(--brand); color: var(--brand); }
.metric {
 min-width: 148px;
 padding: 14px 16px;
 border-radius: 16px;
 background: #fff;
 border: 1px solid var(--line);
 box-shadow: var(--shadow);
}
.metric b { display: block; font-size: 20px; line-height: 1.3; font-weight: 700; color: var(--ink); }
.metric span { display: block; margin-top: 2px; font-size: 12px; color: var(--mute); }
.chip {
 height: 34px;
 padding: 0 14px;
 border-radius: 999px;
 border: 1px solid var(--line);
 background: #fff;
 color: var(--mute);
 font-size: 13px;
 font-weight: 600;
 transition: color .15s ease, border-color .15s ease, background .15s ease;
}
.chip:hover { color: var(--brand); border-color: #C9D7F5; }
.chip.is-on { color: var(--brand); border-color: var(--brand); background: #F4F8FF; }
.entry {
 display: grid;
 grid-template-columns: 168px minmax(0, 1fr);
 gap: 18px;
 align-items: center;
 padding: 16px;
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius-card);
 box-shadow: var(--shadow);
 transition: transform .18s ease, box-shadow .18s ease;
}
.entry:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.cover {
 position: relative;
 aspect-ratio: 16 / 10;
 border-radius: 12px;
 border: 1px solid var(--line);
 overflow: hidden;
}
.cover .play {
 position: absolute;
 left: 12px;
 bottom: 12px;
 width: 32px;
 height: 32px;
 border-radius: 999px;
 display: grid;
 place-items: center;
 background: #fff;
 color: var(--coral);
 box-shadow: 0 6px 14px rgba(28,36,48,.12);
}
.tag {
 display: inline-flex;
 align-items: center;
 height: 26px;
 padding: 0 10px;
 border-radius: 999px;
 background: var(--mist);
 color: var(--mute);
 font-size: 12px;
 line-height: 1;
}
.tag-brand { background: rgba(47,111,237,.1); color: var(--brand); }
.dot {
 width: 6px;
 height: 6px;
 border-radius: 999px;
 background: var(--coral);
 display: inline-block;
}
.panel {
 background: #fff;
 border: 1px solid var(--line);
 border-radius: var(--radius-card);
 box-shadow: var(--shadow);
}
.scale-card { padding: 22px 22px 20px; }
.scale-card .kicker { font-size: 12px; color: var(--brand); font-weight: 650; letter-spacing: .04em; }
.check-col { padding: 22px 22px 8px; }
.check-col li { padding: 12px 0; border-top: 1px solid var(--line); font-size: 15px; }
.chev { transition: transform .18s ease; flex: none; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
 outline: 2px solid var(--brand);
 outline-offset: 2px;
}
@media (max-width: 767px) {
 .entry { grid-template-columns: 1fr; gap: 12px; }
 .nav-link.is-active::after { bottom: -4px; }
}
@media (max-width: 380px) {
 .logo-name { font-size: 12px; }
 .btn-coral, .btn-line { padding: 0 10px; font-size: 13px; min-height: 36px; }
 .icon-btn { width: 36px; height: 36px; }
}
@media (prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 .entry, .btn-coral, .chev { transition: none; }
}