/* roulang page: index */
:root {
  --bg: #F5F8FC;
  --bg-alt: #EEF3F9;
  --card: #FFFFFF;
  --primary: #2F6FED;
  --primary-hover: #1D4ED8;
  --accent: #0F766E;
  --text: #1A2332;
  --muted: #5C6B80;
  --line: #E3EAF3;
  --soft: #E8F0FE;
  --radius: 1rem;
  --shadow: 0 10px 28px rgba(28, 63, 120, 0.08);
  --shadow-hover: 0 16px 36px rgba(28, 63, 120, 0.12);
  --space-section: 5rem;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-size: 1rem;
  line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
p { margin: 0; }
h1, h2, h3 { line-height: 1.25; font-weight: 650; letter-spacing: 0; }
.submark {
  width: 2.25rem;
  height: 1.55rem;
  border-radius: 0.45rem;
  background: var(--soft);
  border: 1px solid var(--line);
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.22rem;
  padding: 0 0.38rem;
  flex: 0 0 auto;
}
.submark i { display: block; height: 2px; border-radius: 999px; background: var(--primary); }
.submark i:last-child { width: 68%; background: var(--accent); }
.hero-cut {
  position: absolute;
  z-index: 0;
  left: -12%;
  top: -20%;
  width: 58%;
  height: 155%;
  background: #E8F0FE;
  transform: skewX(-16deg);
  pointer-events: none;
}
.mobile-panel { display: none; }
.mobile-panel.is-open { display: block; }
.bottom-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 40;
  background: #fff;
  border-top: 1px solid var(--line);
  padding-bottom: calc(0.75rem + env(safe-area-inset-bottom));
}
.faq-a { background: #F5F8FC; }
.step-rail { position: relative; }
.step-rail::before {
  content: "";
  display: none;
}
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}
.card-lift { transition: transform .2s ease, box-shadow .2s ease; }
.card-lift:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.link-line { text-decoration: underline; text-underline-offset: 3px; color: var(--primary); }
@media (min-width: 768px) {
  .step-rail::before {
    display: block;
    position: absolute;
    left: 16%;
    right: 16%;
    top: 1.35rem;
    height: 1px;
    background: var(--line);
  }
  .mobile-panel, .mobile-panel.is-open { display: none !important; }
}
@media (max-width: 1024px) {
  .hero-cut { width: 72%; }
}
@media (max-width: 768px) {
  :root { --space-section: 3.5rem; }
  .hero-cut {
    width: 140%;
    left: -30%;
    top: -8%;
    height: 42%;
    transform: skewY(-5deg);
  }
}
@media (max-width: 520px) {
  .bottom-copy { font-size: 0.8125rem; line-height: 1.45; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .card-lift, .card-lift:hover { transition: none; transform: none; }
}

/* roulang page: category1 */
:root {
 --bg: #F5F8FC;
 --bg-alt: #EEF3F9;
 --card: #FFFFFF;
 --primary: #2F6FED;
 --primary-hover: #1D4ED8;
 --accent: #0F766E;
 --text: #1A2332;
 --muted: #5C6B80;
 --line: #E3EAF3;
 --soft: #E8F0FE;
 --radius: 1rem;
 --shadow: 0 10px 28px rgba(28, 63, 120, 0.08);
 --shadow-hover: 0 16px 36px rgba(28, 63, 120, 0.12);
 --space-section: 5rem;
}
:root { --space-section: 3.5rem; }
/* roulang page: index */
:root {
 --bg: #F5F8FC;
 --bg-alt: #EEF3F9;
 --card: #FFFFFF;
 --primary: #2F6FED;
 --primary-hover: #1D4ED8;
 --accent: #0F766E;
 --text: #1A2332;
 --muted: #5C6B80;
 --line: #E3EAF3;
 --soft: #E8F0FE;
 --radius: 1rem;
 --shadow: 0 10px 28px rgba(28, 63, 120, 0.08);
 --shadow-hover: 0 16px 36px rgba(28, 63, 120, 0.12);
 --space-section: 5rem;
}
html { scroll-behavior: smooth; }
body {
 margin: 0;
 background: var(--bg);
 color: var(--text);
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
 font-size: 1rem;
 line-height: 1.75;
}
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
a { color: inherit; text-decoration: none; }
.hero-cut {
 position: absolute;
 z-index: 0;
 left: -12%;
 top: -20%;
 width: 58%;
 height: 155%;
 background: #E8F0FE;
 transform: skewX(-16deg);
 pointer-events: none;
}
.mobile-panel { display: none; }
.mobile-panel.is-open { display: block; }
.faq-a { background: #F5F8FC; }
a:focus-visible, button:focus-visible, input:focus-visible {
 outline: 2px solid var(--primary);
 outline-offset: 2px;
}
.card-lift { transition: transform .2s ease, box-shadow .2s ease; }
.card-lift:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.mobile-panel, .mobile-panel.is-open { display: none !important; }
.hero-cut { width: 72%; }
.hero-cut {
 width: 140%;
 left: -30%;
 top: -8%;
 height: 42%;
 transform: skewY(-5deg);
 }
html { scroll-behavior: auto; }
.card-lift, .card-lift:hover { transition: none; transform: none; }
@media (min-width: 768px) {
 .step-rail::before {
 display: block;
 position: absolute;
 left: 16%;
 right: 16%;
 top: 1.35rem;
 height: 1px;
 background: var(--line);
 }
 .mobile-panel, .mobile-panel.is-open { display: none !important; }
}
@media (max-width: 1024px) {
 .hero-cut { width: 72%; }
}
@media (max-width: 768px) {
 :root { --space-section: 3.5rem; }
 .hero-cut {
 width: 140%;
 left: -30%;
 top: -8%;
 height: 42%;
 transform: skewY(-5deg);
 }
}
@media (max-width: 520px) {
 .bottom-copy { font-size: 0.8125rem; line-height: 1.45; }
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
 font-family: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif !important;
 background: #F5F8FC !important;
 color: #1A2332 !important;
}
h1 { margin: 0; font-size: 1.75rem; line-height: 1.25; font-weight: 700; letter-spacing: 0; }
h2 { margin: 0; font-size: 1.35rem; line-height: 1.35; font-weight: 700; }
h3 { margin: 0; font-size: 1.0625rem; line-height: 1.45; font-weight: 650; }
p { margin: 0; }
@media (min-width: 768px) {
 :root { --space-section: 5rem; }
 h1 { font-size: 2.4rem; }
 h2 { font-size: 1.5rem; }
}
.section { padding: 3.5rem 1rem; }
@media (min-width: 768px) { .section { padding: 5rem 1rem; } }
.section-alt { background: #EEF3F9; }
.text-brand { color: #2F6FED !important; }
.text-mute { color: #5C6B80 !important; }
.bg-soft { background-color: #E8F0FE !important; }
.bg-paper { background-color: #F5F8FC !important; }
.border-line { border-color: #E3EAF3 !important; }
.hover\:text-brand:hover { color: #2F6FED !important; }
.hover\:bg-soft:hover { background-color: #E8F0FE !important; }
.submark {
 display: inline-flex;
 flex-direction: column;
 justify-content: center;
 gap: 3px;
 width: 1.7rem;
 height: 1.28rem;
 padding: 0 0.28rem;
 border-radius: 0.35rem;
 background: #2F6FED;
 flex: 0 0 auto;
}
.submark i { display: block; height: 2px; border-radius: 2px; background: #fff; }
.submark i:last-child { width: 68%; }
.icon-btn {
 width: 2.5rem;
 height: 2.5rem;
 display: inline-flex;
 align-items: center;
 justify-content: center;
 border-radius: 999px;
 border: 1px solid #E3EAF3;
 background: #fff;
 color: #1A2332;
 cursor: pointer;
}
.icon-btn:hover { background: #E8F0FE; color: #2F6FED; }
.btn-primary, .btn-ghost {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 min-height: 2.5rem;
 padding: 0.45rem 1.05rem;
 border-radius: 999px;
 font-size: 0.875rem;
 font-weight: 600;
 line-height: 1.2;
 cursor: pointer;
 transition: background .2s ease, color .2s ease, border-color .2s ease, opacity .2s ease;
}
.btn-primary { background: #2F6FED; color: #fff; border: 1px solid #2F6FED; }
.btn-primary:hover { background: #1D4ED8; border-color: #1D4ED8; color: #fff; }
.btn-ghost { background: #fff; color: #2F6FED; border: 1px solid #2F6FED; }
.btn-ghost:hover { background: #E8F0FE; color: #1D4ED8; }
.btn-primary:disabled, .btn-ghost:disabled, .chip:disabled { opacity: .45; cursor: not-allowed; }
.panel {
 background: #fff;
 border: 1px solid #E3EAF3;
 border-radius: 1rem;
 box-shadow: 0 10px 28px rgba(28, 63, 120, 0.08);
}
.card-lift { transition: transform .2s ease, box-shadow .2s ease !important; }
.card-lift:hover { transform: translateY(-2px) !important; box-shadow: 0 16px 36px rgba(28, 63, 120, 0.12) !important; }
.field-label { font-size: 0.75rem; font-weight: 600; color: #5C6B80; letter-spacing: 0.04em; }
.chip {
 border: 1px solid #E3EAF3;
 background: #fff;
 color: #5C6B80;
 border-radius: 999px;
 padding: 0.35rem 0.8rem;
 font-size: 0.875rem;
 line-height: 1.4;
 cursor: pointer;
}
.chip:hover { background: #E8F0FE; color: #2F6FED; }
.chip.is-on { background: #E8F0FE; color: #2F6FED; font-weight: 600; border-color: transparent; }
.tag, .tag-state {
 display: inline-flex;
 align-items: center;
 border-radius: 999px;
 padding: 0.08rem 0.6rem;
 font-size: 0.75rem;
 font-weight: 600;
 line-height: 1.7;
}
.tag { color: #0F766E; background: rgba(15, 118, 110, 0.1); }
.tag-state { color: #1D4ED8; background: #E8F0FE; }
.entry { padding: 1.5rem; }
.entry h3 { font-size: 1.125rem; }
.timecode { color: #0F766E; font-variant-numeric: tabular-nums; font-size: 0.875rem; font-weight: 600; }
.subline {
 margin-top: 0.45rem;
 padding: 0.35rem 0.7rem;
 border-radius: 0.45rem;
 background: #F5F8FC;
 font-size: 0.95rem;
}
.quote-line { border-left: 3px solid #0F766E; padding-left: 1rem; }
.step-rail { position: relative; }
.step-rail::before { content: ""; }
.step-no {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 2.7rem;
 height: 2.7rem;
 border-radius: 999px;
 background: #fff;
 border: 1px solid #E3EAF3;
 color: #2F6FED;
 font-weight: 700;
 position: relative;
 z-index: 1;
}
.article-link { color: #2F6FED; text-decoration: underline; text-underline-offset: 3px; font-weight: 650; }
.article-link:hover { color: #1D4ED8; }
.time-dot {
 width: 0.7rem;
 height: 0.7rem;
 border-radius: 999px;
 background: #2F6FED;
 box-shadow: 0 0 0 4px #E8F0FE;
}
@media (max-width: 767px) {
 #mobilePanel.mobile-panel.is-open { display: block !important; }
}
@media (max-width: 520px) {
 .entry { padding: 1.15rem; }
 .btn-primary, .btn-ghost { width: auto; }
}