/* roulang page: index */
:root {
  --pitch: #153E32;
  --pitch-deep: #0F2B23;
  --pitch-muted: #1E5244;
  --signal: #FF6B35;
  --signal-deep: #E24E18;
  --lime: #D7F171;
  --paper: #F4F0E8;
  --card: #FFFCF7;
  --ink: #1B2620;
  --muted: #67726C;
  --line: rgba(21, 62, 50, 0.14);
  --line-light: rgba(255, 255, 255, 0.16);
  --white-line: rgba(255, 255, 255, 0.08);
  --radius-card: 14px;
  --radius-soft: 10px;
  --radius-btn: 8px;
  --shadow-card: 0 1px 0 rgba(18, 53, 43, 0.06), 0 12px 30px rgba(25, 40, 30, 0.08);
  --shadow-card-hover: 0 2px 0 rgba(18, 53, 43, 0.05), 0 18px 40px rgba(11, 34, 27, 0.14);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
body::after {
  content: "";
  display: block;
  height: 70px;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
a:focus-visible,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(255, 107, 53, 0.55);
  outline-offset: 3px;
  border-radius: 4px;
}
ul, ol, p, figure {
  margin: 0;
  padding: 0;
}
li {
  list-style: none;
}
h1, h2, h3, h4 {
  margin: 0;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}
h1 {
  font-size: clamp(34px, 4.6vw, 58px);
}
h2 {
  font-size: clamp(25px, 2.6vw, 34px);
}
h3 {
  font-size: 19px;
  line-height: 1.4;
}
h4 {
  font-size: 17px;
}
.grid-container {
  max-width: 1280px;
}
.section {
  padding: 72px 0;
}
.section-head {
  max-width: 840px;
  margin: 0 auto 44px;
  text-align: center;
}
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--signal);
  text-transform: uppercase;
}
.section-kicker::before {
  content: "";
  width: 20px;
  height: 3px;
  background: var(--signal);
  border-radius: 99px;
}
.section-kicker.center {
  justify-content: center;
}
.lead {
  margin-top: 14px;
  font-size: 17px;
  color: var(--muted);
  line-height: 1.8;
}
.section-title-dark {
  color: var(--pitch);
}
.section-title-light {
  color: #fff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 11px 22px;
  border: 2px solid transparent;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
  box-shadow: 0 3px 0 rgba(10, 26, 20, 0.18);
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.btn:hover {
  transform: translateY(-1px);
}
.btn:active {
  transform: translateY(3px);
  box-shadow: none;
}
.btn-primary {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
}
.btn-primary:hover {
  background: #ff7c4c;
  border-color: #ff7c4c;
  color: #fff;
}
.btn-outline-light {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
  box-shadow: none;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
  color: #fff;
}
.btn-outline-dark {
  background: transparent;
  border-color: rgba(21, 62, 50, 0.55);
  color: var(--pitch);
  box-shadow: none;
}
.btn-outline-dark:hover {
  border-color: var(--pitch);
  background: rgba(21, 62, 50, 0.05);
}
.btn-header {
  min-height: 36px;
  padding: 7px 16px;
  font-size: 14px;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
  box-shadow: none;
}
.btn-header:hover {
  background: rgba(215, 241, 113, 0.12);
  border-color: var(--lime);
  color: var(--lime);
}
.btn-sm {
  min-height: 36px;
  padding: 7px 14px;
  font-size: 14px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 80;
  background: var(--pitch);
  transition: box-shadow 0.3s ease;
}
.site-header.is-scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}
.header-brand-row {
  background: var(--pitch);
  color: #fff;
}
.header-brand-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  gap: 16px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  position: relative;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  width: 38px;
  height: 38px;
  padding: 6px;
  border-radius: 11px;
  background: rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.12);
}
.brand-mark i {
  display: block;
  height: 2px;
  border-radius: 99px;
  background: var(--lime);
}
.brand-mark i:nth-child(1) {
  width: 50%;
}
.brand-mark i:nth-child(2) {
  width: 100%;
}
.brand-mark i:nth-child(3) {
  width: 74%;
}
.brand-text {
  display: flex;
  flex-direction: column;
  font-size: 19px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: #fff;
}
.brand-text small {
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--lime);
  line-height: 1;
}
.header-channel-row {
  background: var(--card);
  border-top: 1px solid rgba(21, 62, 50, 0.06);
  border-bottom: 1px solid var(--line);
}
.channel-inner {
  width: 100%;
}
.channel-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3.4vw, 40px);
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.channel-nav::-webkit-scrollbar {
  display: none;
}
.channel-link {
  position: relative;
  flex: 0 0 auto;
  padding: 14px 2px;
  font-size: 15px;
  font-weight: 700;
  color: var(--muted);
}
.channel-link:hover {
  color: var(--pitch);
}
.channel-link.is-active {
  color: var(--pitch);
}
.channel-link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 9px;
  height: 3px;
  border-radius: 99px;
  background: var(--signal);
}

/* Hero */
.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--pitch);
  color: #fff;
}
.hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.32;
}
.hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: repeating-linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0, rgba(255, 255, 255, 0.03) 1px, transparent 1px, transparent 16px);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  padding: 82px 0 24px;
}
.hero-grid {
  align-items: center;
}
.hero-content {
  max-width: 620px;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
  padding: 6px 13px;
  border: 1px solid rgba(215, 241, 113, 0.4);
  border-radius: 99px;
  background: rgba(215, 241, 113, 0.07);
  color: var(--lime);
  font-size: 14px;
  font-weight: 600;
}
.hero-eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(215, 241, 113, 0.16);
}
.hero h1 {
  margin-bottom: 18px;
  color: #fff;
}
.hero-sub {
  max-width: 520px;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 17px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 34px;
}
.hero-mini-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}
.hero-mini-note strong {
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
}
.hero-media {
  position: relative;
  padding-left: 8px;
}
.hero-card {
  max-width: 500px;
  margin-left: auto;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  background: rgba(255, 252, 247, 0.97);
  box-shadow: 0 28px 70px rgba(0, 0, 0, 0.24);
}
.hero-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: 14px;
}
.hero-card-caption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 4px 4px;
  font-size: 13px;
  color: #50635b;
}
.hero-card-caption span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--pitch);
  color: #fff;
  border-radius: 99px;
  padding: 4px 10px;
  font-size: 12px;
}
.hero-card-tag {
  background: var(--signal);
  color: #fff;
}
.hero-float-card {
  position: absolute;
  left: -6px;
  bottom: -24px;
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--signal);
  color: #fff;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.2);
  font-size: 13px;
  font-weight: 700;
}
.ticker-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 44px;
  padding: 13px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  overflow: hidden;
  white-space: nowrap;
}
.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--signal);
  animation: pulse-live 1.6s infinite;
}
.ticker-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--lime);
  font-weight: 700;
}
.ticker-text {
  overflow: hidden;
  text-overflow: ellipsis;
}
@keyframes pulse-live {
  0% { box-shadow: 0 0 0 0 rgba(255, 107, 53, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(255, 107, 53, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 107, 53, 0); }
}

/* Features */
.feature-section {
  background: var(--paper);
  padding: 70px 0 70px;
}
.feature-card {
  position: relative;
  height: 100%;
  padding: 28px 26px 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--card);
  box-shadow: var(--shadow-card);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 26px;
  right: 26px;
  height: 3px;
  border-radius: 0 0 6px 6px;
  background: transparent;
  transition: background 0.25s ease;
}
.feature-card:hover {
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-4px);
}
.feature-card:hover::before {
  background: var(--signal);
}
.feature-card:hover .feature-arrow {
  transform: translateX(4px);
  color: var(--signal);
}
.feature-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.feature-num {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  color: var(--signal);
  border: 1px solid rgba(255, 107, 53, 0.3);
  border-radius: 99px;
  padding: 4px 11px;
  background: rgba(255, 107, 53, 0.07);
}
.feature-icon {
  font-size: 24px;
  font-weight: 900;
  color: var(--pitch);
}
.feature-card h3 {
  margin-bottom: 8px;
  color: var(--pitch);
}
.feature-card p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 20px;
}
.feature-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.feature-line {
  height: 5px;
  width: 100%;
  border-radius: 99px;
  background: rgba(21, 62, 50, 0.09);
  overflow: hidden;
}
.feature-line i {
  display: block;
  height: 100%;
  width: 62%;
  border-radius: 99px;
  background: var(--pitch);
}
.feature-line.wide i {
  width: 86%;
}
.feature-line.mint i {
  background: var(--signal);
}
.feature-arrow {
  font-weight: 800;
  color: var(--muted);
  font-size: 18px;
  transition: transform 0.2s ease, color 0.2s ease;
}
.feature-card:hover .feature-arrow {
  color: var(--signal);
}

/* Scenario */
.scenario-section {
  background: #EAE5DA;
  padding: 76px 0 80px;
}
.scenario-copy {
  padding-right: 24px;
}
.scenario-copy .section-title-dark,
.scenario-copy .lead {
  text-align: left;
}
.scenario-copy .section-head {
  margin: 0 0 26px;
  text-align: left;
}
.scenario-list {
  margin-top: 6px;
}
.scenario-list li {
  position: relative;
  display: flex;
  gap: 15px;
  padding: 15px 0;
  border-bottom: 1px solid rgba(21, 62, 50, 0.1);
}
.scenario-list em {
  font-style: normal;
  color: var(--signal);
  font-weight: 900;
  font-size: 13px;
  min-width: 30px;
  padding-top: 3px;
}
.scenario-list strong {
  display: block;
  color: var(--pitch);
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 4px;
}
.scenario-list span {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}
.scenario-main {
  padding: 0 12px;
}
.screen-card {
  position: relative;
  overflow: hidden;
  margin: 0;
  border-radius: 20px;
  background: var(--card);
  box-shadow: var(--shadow-card);
  border: 6px solid rgba(255, 255, 255, 0.8);
}
.screen-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.screen-card figcaption {
  padding: 12px 14px;
  font-size: 13px;
  color: var(--muted);
  background: var(--card);
}
.screen-card .caption-dot {
  color: var(--signal);
}
.scenario-side {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.screen-card--side img {
  aspect-ratio: 16 / 10;
}
.screen-card--side figcaption {
  font-size: 12px;
  padding: 10px 12px;
}

/* Trust band */
.trust-band {
  background: var(--pitch);
  color: #fff;
  position: relative;
  isolation: isolate;
  padding: 74px 0 68px;
}
.trust-band::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image: repeating-linear-gradient(45deg, rgba(255, 255, 255, 0.025) 0, rgba(255, 255, 255, 0.025) 1px, transparent 1px, transparent 18px);
  pointer-events: none;
}
.trust-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.trust-head .section-title-light {
  max-width: 600px;
  font-size: clamp(24px, 3vw, 34px);
  margin-left: 18px;
  border-left: 4px solid var(--signal);
  padding-left: 18px;
}
.trust-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-bottom: 48px;
}
.stat-block {
  padding: 22px 16px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}
.stat-number {
  display: block;
  font-size: 38px;
  line-height: 1;
  font-weight: 900;
  color: var(--lime);
}
.stat-label {
  display: block;
  margin-top: 9px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.68);
}
.trust-feedback {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.feedback-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 15px;
  padding: 22px;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}
.feedback-card:hover {
  transform: translateY(-3px);
  border-color: rgba(215, 241, 113, 0.4);
  background: rgba(255, 255, 255, 0.09);
}
.feedback-card strong {
  display: block;
  color: var(--lime);
  font-size: 16px;
  margin-bottom: 8px;
}
.feedback-card p {
  color: rgba(255, 255, 255, 0.76);
  font-size: 14px;
  line-height: 1.7;
}

/* News / CMS area */
.news-section {
  background: var(--paper);
}
.news-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  margin-bottom: 34px;
}
.news-head-row .section-head {
  margin: 0;
  text-align: left;
}
.news-more {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 15px;
  font-weight: 700;
  color: var(--pitch);
  padding: 10px 16px;
  border: 1px solid rgba(21, 62, 50, 0.2);
  border-radius: 99px;
  transition: all 0.2s ease;
}
.news-more:hover {
  border-color: var(--pitch);
  background: var(--pitch);
  color: #fff;
}
.news-list {
  border-top: 1px solid var(--line);
}
.news-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 26px 2px;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s ease;
}
.news-item:hover {
  background: rgba(21, 62, 50, 0.02);
}
.news-topline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 18px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 7px;
}
.news-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 99px;
  background: rgba(21, 62, 50, 0.08);
  color: var(--pitch);
  font-size: 12px;
  font-weight: 800;
}
.news-badge.hot {
  background: rgba(255, 107, 53, 0.12);
  color: var(--signal-deep);
}
.news-title {
  font-size: 20px;
  line-height: 1.45;
  margin-bottom: 8px;
}
.news-title a {
  color: var(--ink);
}
.news-title a:hover {
  color: var(--pitch);
}
.news-excerpt {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  max-width: 900px;
}
.news-read {
  margin-top: 11px;
  color: var(--signal);
  font-weight: 700;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.news-read:hover {
  color: var(--pitch);
}
.news-read:hover span {
  transform: translateX(4px);
}
.news-read span {
  display: inline-block;
  transition: transform 0.2s ease;
}
.news-empty {
  padding: 70px 20px;
  text-align: center;
  background: var(--card);
  border: 1px dashed rgba(21, 62, 50, 0.18);
  border-radius: var(--radius-card);
  color: var(--muted);
  font-size: 15px;
}

/* FAQ */
.faq-section {
  background: var(--card);
}
.faq-container {
  max-width: 880px;
  margin: 0 auto;
}
.faq-list {
  border-top: 2px solid var(--pitch);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}
.faq-item summary {
  display: flex;
  align-items: center;
  gap: 18px;
  cursor: pointer;
  padding: 20px 4px;
  list-style: none;
  font-weight: 800;
  font-size: 17px;
  color: var(--ink);
  transition: color 0.2s ease, padding-left 0.2s ease;
}
.faq-item summary:hover,
.faq-item[open] summary {
  color: var(--pitch);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::marker {
  content: "";
}
.faq-q {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--pitch);
  color: var(--lime);
  font-size: 13px;
  font-weight: 900;
}
.faq-icon {
  margin-left: auto;
  display: inline-flex;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(21, 62, 50, 0.08);
  align-items: center;
  justify-content: center;
  color: var(--pitch);
  font-weight: 900;
  transition: transform 0.25s ease, background 0.2s ease;
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--signal);
  color: #fff;
}
.faq-body {
  padding: 0 10px 22px 50px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  max-width: 720px;
}

/* Final CTA */
.cta-band {
  position: relative;
  isolation: isolate;
  background: var(--pitch-deep);
  color: #fff;
  text-align: center;
  padding: 78px 0 80px;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
.cta-band::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 43, 35, 0.93), rgba(15, 43, 35, 0.78));
}
.cta-band h2 {
  max-width: 700px;
  margin: 0 auto 18px;
  color: #fff;
}
.cta-band p {
  max-width: 620px;
  margin: 0 auto 30px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 16px;
}
.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
}

/* Sticky bottom CTA */
.sticky-cta {
  position: fixed;
  z-index: 90;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(12, 36, 28, 0.93);
  border-top: 1px solid rgba(215, 241, 113, 0.24);
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease;
}
.sticky-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 62px;
  padding: 10px 16px;
  max-width: 1280px;
  margin: 0 auto;
}
.sticky-cta p {
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.sticky-cta p span {
  color: var(--lime);
}
.sticky-cta .btn {
  flex: 0 0 auto;
}

/* Footer */
.site-footer {
  background: #0c241d;
  color: #c7d5cf;
  padding: 58px 0 44px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 40px;
}
.footer-brand .brand {
  margin-bottom: 16px;
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-brand p {
  max-width: 320px;
  color: #9cb0a9;
  font-size: 14px;
  line-height: 1.8;
}
.footer-title {
  font-size: 15px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links li {
  margin-bottom: 9px;
}
.footer-links a {
  color: #a9bdb6;
  font-size: 14px;
}
.footer-links a:hover {
  color: var(--lime);
}
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 50px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: #8ba39b;
  font-size: 13px;
}
.footer-copy a {
  color: #b2c7c1;
}

/* Responsive */
@media screen and (max-width: 1023px) {
  .section {
    padding: 60px 0;
  }
  .hero-inner {
    padding: 56px 0 30px;
  }
  .hero-media {
    margin-top: 40px;
  }
  .hero-card {
    max-width: 600px;
    margin: 0 auto;
  }
  .scenario-copy {
    padding-right: 0;
    margin-bottom: 32px;
  }
  .scenario-main {
    margin-bottom: 26px;
  }
  .scenario-side {
    flex-direction: row;
  }
  .scenario-side .screen-card {
    flex: 1;
  }
  .news-title {
    font-size: 18px;
  }
}
@media screen and (max-width: 768px) {
  .header-brand-inner {
    min-height: 58px;
  }
  .brand-text {
    font-size: 17px;
  }
  .channel-nav {
    gap: 18px;
    padding-left: 2px;
  }
  .channel-link {
    padding: 12px 0;
    font-size: 14px;
  }
  .hero h1 {
    font-size: 31px;
  }
  .hero-sub {
    font-size: 15px;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  .trust-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
  }
  .stat-number {
    font-size: 30px;
  }
  .stat-label {
    font-size: 12px;
  }
  .trust-feedback {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .news-head-row {
    align-items: flex-start;
  }
  .cta-actions .btn {
    width: 100%;
  }
}
@media screen and (max-width: 639px) {
  .section {
    padding: 48px 0;
  }
  .section-head {
    margin-bottom: 30px;
  }
  .section-head .lead {
    font-size: 15px;
  }
  .hero-inner {
    padding-top: 46px;
  }
  .hero-eyebrow {
    font-size: 13px;
  }
  .feature-card {
    padding: 22px 18px;
  }
  .scenario-side {
    flex-direction: column;
  }
  .trust-stats {
    grid-template-columns: 1fr 1fr 1fr;
    margin-bottom: 28px;
  }
  .stat-block {
    padding: 16px 6px;
  }
  .stat-number {
    font-size: 26px;
  }
  .stat-label {
    font-size: 11px;
  }
  .trust-feedback {
    grid-template-columns: 1fr;
  }
  .news-item {
    padding: 20px 0;
  }
  .news-topline {
    gap: 6px 12px;
  }
  .news-title {
    font-size: 17px;
  }
  .news-excerpt {
    font-size: 14px;
  }
  .faq-item summary {
    font-size: 15px;
    gap: 12px;
    padding: 16px 0;
  }
  .faq-body {
    padding-left: 46px;
    font-size: 14px;
  }
  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* roulang page: category1 */
:root {
      --pitch-green: #153E32;
      --pitch-green-dark: #12352B;
      --signal-orange: #F4511E;
      --signal-orange-light: #FF6B35;
      --volt: #D7F171;
      --bg-muted: #F4F0E8;
      --card-bg: #FFFCF7;
      --text-main: #1B2620;
      --text-sub: #67726C;
      --border-main: rgba(21, 62, 50, 0.14);
      --radius-card: 16px;
      --radius-btn: 8px;
      --shadow-card: 0 1px 0 rgba(18, 53, 43, 0.06), 0 12px 30px rgba(25, 40, 30, 0.08);
      --shadow-hover: 0 2px 0 rgba(18, 53, 43, 0.05), 0 18px 40px rgba(25, 40, 30, 0.13);
      --container-w: 1200px;
      --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-base);
      background: var(--bg-muted);
      color: var(--text-main);
      font-size: 16px;
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      padding-bottom: 70px;
    }

    a {
      color: var(--pitch-green);
      text-decoration: none;
      transition: color 0.2s ease;
    }
    a:hover {
      color: var(--signal-orange);
    }

    img {
      max-width: 100%;
      display: block;
    }

    .grid-container {
      max-width: var(--container-w);
      width: 100%;
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* ---------- Header ---------- */
    .site-header {
      position: relative;
      z-index: 50;
      box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
    }

    .header-brand-row {
      background: var(--pitch-green);
    }

    .header-brand-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 68px;
      gap: 16px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 12px;
    }

    .brand-mark {
      display: inline-flex;
      align-items: flex-end;
      gap: 3px;
      height: 28px;
    }

    .brand-mark i {
      display: block;
      width: 5px;
      border-radius: 3px 3px 1px 1px;
      background: var(--volt);
    }
    .brand-mark i:nth-child(1) { height: 14px; }
    .brand-mark i:nth-child(2) { height: 24px; background: var(--signal-orange); }
    .brand-mark i:nth-child(3) { height: 18px; }

    .brand-text {
      color: #fff;
      font-size: 22px;
      font-weight: 800;
      line-height: 1.1;
      letter-spacing: -0.02em;
      display: flex;
      align-items: baseline;
      gap: 6px;
    }

    .brand-text small {
      font-size: 11px;
      font-weight: 400;
      color: rgba(255, 255, 255, 0.72);
      letter-spacing: 0.08em;
    }

    .header-cta {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .btn-header {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.32);
      color: #fff;
      padding: 7px 16px;
      border-radius: 999px;
      font-size: 13px;
      font-weight: 500;
      transition: all 0.2s ease;
    }
    .btn-header:hover {
      background: var(--signal-orange);
      border-color: var(--signal-orange);
      color: #fff;
      transform: translateY(-1px);
    }

    .header-channel-row {
      background: var(--card-bg);
      border-bottom: 1px solid var(--border-main);
    }

    .channel-inner {
      display: flex;
      align-items: center;
      min-height: 46px;
    }

    .channel-nav {
      display: flex;
      align-items: center;
      gap: 2px;
      overflow-x: auto;
      scrollbar-width: none;
      -webkit-overflow-scrolling: touch;
      white-space: nowrap;
      width: 100%;
    }
    .channel-nav::-webkit-scrollbar {
      display: none;
    }

    .channel-link {
      position: relative;
      display: inline-flex;
      align-items: center;
      padding: 8px 16px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-sub);
      border-radius: 999px;
      transition: background 0.2s ease, color 0.2s ease;
      white-space: nowrap;
    }
    .channel-link:hover {
      color: var(--pitch-green);
      background: rgba(21, 62, 50, 0.05);
    }
    .channel-link.is-active {
      background: var(--pitch-green);
      color: #fff;
      font-weight: 600;
    }

    /* ---------- Banner ---------- */
    .cat-banner {
      position: relative;
      background: var(--pitch-green);
      padding: 48px 0 72px;
      overflow: hidden;
    }

    .cat-banner::before {
      content: "";
      position: absolute;
      inset: 0;
      background:
        linear-gradient(135deg, transparent 30px, rgba(255, 255, 255, 0.03) 30px, rgba(255, 255, 255, 0.03) 32px, transparent 32px);
      background-size: 28px 28px;
      pointer-events: none;
    }

    .cat-banner::after {
      content: "";
      position: absolute;
      width: 420px;
      height: 420px;
      border-radius: 50%;
      right: -100px;
      top: -180px;
      background: radial-gradient(circle, rgba(215, 241, 113, 0.16) 0%, transparent 65%);
      pointer-events: none;
    }

    .cat-banner .grid-container {
      position: relative;
      z-index: 2;
    }

    .cat-banner-inner {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 32px;
      flex-wrap: wrap;
    }

    .cat-banner h1 {
      color: #fff;
      font-size: clamp(28px, 4.6vw, 44px);
      line-height: 1.25;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 12px;
      max-width: 720px;
    }

    .cat-banner h1 .accent {
      color: var(--volt);
    }

    .cat-banner p {
      color: rgba(255, 255, 255, 0.82);
      font-size: 17px;
      max-width: 760px;
      line-height: 1.8;
      margin-bottom: 0;
    }

    .cat-tag {
      display: inline-flex;
      align-items: center;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(215, 241, 113, 0.4);
      color: var(--volt);
      font-size: 13px;
      font-weight: 600;
      padding: 4px 14px;
      border-radius: 999px;
      margin-bottom: 18px;
      letter-spacing: 0.04em;
    }

    /* ---------- section share ---------- */
    .section {
      padding: 64px 0;
    }

    .section-dark {
      background: var(--pitch-green-dark);
      color: #fff;
    }

    .section-head {
      display: flex;
      align-items: flex-end;
      justify-content: space-between;
      gap: 20px;
      margin-bottom: 36px;
      flex-wrap: wrap;
    }

    .section-head h2 {
      font-size: clamp(22px, 3vw, 30px);
      font-weight: 800;
      line-height: 1.3;
      letter-spacing: -0.02em;
      color: var(--text-main);
      margin-bottom: 0;
    }

    .section-head .sub {
      color: var(--text-sub);
      font-size: 15px;
      margin-top: 6px;
      margin-bottom: 0;
      max-width: 560px;
      line-height: 1.7;
    }

    :is(.section-dark) .section-head h2 {
      color: #fff;
    }
    :is(.section-dark) .section-head .sub {
      color: rgba(255, 255, 255, 0.74);
    }

    .head-line {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .head-line::before {
      content: "";
      width: 4px;
      height: 22px;
      background: var(--signal-orange);
      border-radius: 2px;
    }

    /* ---------- Step Cards ---------- */
    .steps-wrap {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .step-card {
      background: var(--card-bg);
      border: 1px solid var(--border-main);
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      padding: 30px 32px;
      display: flex;
      align-items: flex-start;
      gap: 28px;
      transition: box-shadow 0.25s ease, transform 0.25s ease;
      position: relative;
      overflow: hidden;
      flex-wrap: wrap;
    }

    .step-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }

    .step-card::before {
      content: "";
      position: absolute;
      left: 0;
      top: 0;
      width: 4px;
      height: 100%;
      background: var(--signal-orange);
      opacity: 0;
      transition: opacity 0.2s ease;
    }
    .step-card:hover::before {
      opacity: 1;
    }

    .step-num {
      flex: 0 0 72px;
      height: 72px;
      border-radius: 14px;
      display: flex;
      align-items: center;
      justify-content: center;
      background: var(--pitch-green);
      color: var(--volt);
      font-size: 28px;
      font-weight: 800;
      letter-spacing: -0.03em;
    }

    .step-media {
      flex: 0 0 260px;
      border-radius: 12px;
      overflow: hidden;
      background: var(--bg-muted);
    }
    .step-media img {
      width: 100%;
      height: 160px;
      object-fit: cover;
    }

    .step-body {
      flex: 1 1 280px;
      min-width: 220px;
    }

    .step-body h3 {
      font-size: 20px;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 8px;
      line-height: 1.45;
    }

    .step-body p {
      color: var(--text-sub);
      margin-bottom: 12px;
      line-height: 1.75;
      font-size: 15px;
    }

    .step-tags {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag {
      display: inline-flex;
      align-items: center;
      background: rgba(21, 62, 50, 0.06);
      border: 1px solid rgba(21, 62, 50, 0.1);
      color: var(--pitch-green);
      font-size: 12px;
      font-weight: 500;
      padding: 2px 10px;
      border-radius: 999px;
      line-height: 1.5;
    }

    .tag-orange {
      background: rgba(244, 81, 30, 0.08);
      border-color: rgba(244, 81, 30, 0.16);
      color: var(--signal-orange);
      font-weight: 600;
    }

    /* ---------- Notice Strip ---------- */
    .notice-strip {
      background: var(--volt);
      border-radius: 12px;
      padding: 14px 22px;
      display: flex;
      align-items: center;
      gap: 14px;
      color: #1B2620;
      margin-top: 24px;
      font-weight: 500;
      font-size: 15px;
    }
    .notice-strip .ico {
      font-weight: 800;
      color: var(--signal-orange);
      letter-spacing: 0;
    }

    /* ---------- Feature Mini Grid ---------- */
    .feature-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 10px;
    }

    .feature-mini {
      background: var(--card-bg);
      border: 1px solid var(--border-main);
      border-radius: var(--radius-card);
      padding: 22px 20px;
      display: flex;
      align-items: flex-start;
      gap: 14px;
      box-shadow: var(--shadow-card);
      transition: all 0.2s ease;
    }
    .feature-mini:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-2px);
    }
    .feature-mini .fm-icon {
      flex: 0 0 40px;
      height: 40px;
      border-radius: 10px;
      background: rgba(21, 62, 50, 0.08);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 18px;
      font-weight: 800;
      color: var(--signal-orange);
    }
    .feature-mini h4 {
      font-size: 16px;
      font-weight: 700;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 3px;
    }
    .feature-mini p {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.6;
      margin-bottom: 0;
    }

    /* ---------- Tips / section panes ---------- */
    .guide-panel {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      border: 1px solid var(--border-main);
      box-shadow: var(--shadow-card);
      padding: 28px;
      margin-bottom: 18px;
    }

    .guide-panel h3 {
      font-size: 18px;
      font-weight: 700;
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 10px;
    }
    .guide-panel h3 .badge {
      background: var(--signal-orange);
      color: #fff;
      font-size: 11px;
      padding: 2px 8px;
      border-radius: 999px;
    }
    .guide-panel h3 .badge.green {
      background: var(--pitch-green);
    }
    .guide-panel p {
      color: var(--text-sub);
      line-height: 1.8;
      margin-bottom: 8px;
    }

    .guide-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: flex;
      flex-direction: column;
      gap: 6px;
    }
    .guide-list li {
      position: relative;
      padding-left: 18px;
      color: var(--text-main);
      font-size: 15px;
      line-height: 1.7;
    }
    .guide-list li::before {
      content: "●";
      position: absolute;
      left: 0;
      top: 0;
      color: var(--signal-orange);
      font-size: 10px;
    }

    /* ---------- Scene Switcher (Tabs) ---------- */
    .device-switch {
      display: flex;
      gap: 8px;
      margin-bottom: 24px;
      flex-wrap: wrap;
    }
    .device-switch .ds-btn {
      padding: 8px 18px;
      border-radius: 999px;
      border: 1px solid var(--border-main);
      background: var(--card-bg);
      font-size: 14px;
      color: var(--text-sub);
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
    }
    .device-switch .ds-btn:hover {
      border-color: var(--signal-orange);
      color: var(--signal-orange);
    }
    .device-switch .ds-btn.active {
      background: var(--pitch-green);
      border-color: var(--pitch-green);
      color: #fff;
      font-weight: 600;
    }
    .scene-pane {
      display: none;
      animation: fadeIn 0.3s ease;
    }
    .scene-pane.active {
      display: block;
    }
    @keyframes fadeIn {
      0% { opacity: 0; transform: translateY(10px); }
      100% { opacity: 1; transform: translateY(0); }
    }

    .scene-card {
      background: var(--card-bg);
      border-radius: var(--radius-card);
      border: 1px solid var(--border-main);
      box-shadow: var(--shadow-card);
      overflow: hidden;
      display: flex;
      flex-wrap: wrap;
    }
    .scene-media {
      flex: 0 0 48%;
      max-height: 340px;
      overflow: hidden;
      background: var(--bg-muted);
    }
    .scene-media img {
      width: 100%;
      height: 100%;
      min-height: 240px;
      object-fit: cover;
    }
    .scene-content {
      flex: 1 1 320px;
      padding: 30px 32px;
      display: flex;
      flex-direction: column;
      justify-content: center;
    }
    .scene-content h3 {
      font-size: 24px;
      font-weight: 800;
      color: var(--text-main);
      line-height: 1.35;
      margin-bottom: 14px;
      letter-spacing: -0.01em;
    }
    .scene-content p {
      color: var(--text-sub);
      margin-bottom: 18px;
      line-height: 1.75;
    }

    .scene-number {
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.08em;
      color: var(--signal-orange);
      text-transform: uppercase;
      margin-bottom: 8px;
    }

    /* ---------- Screenshots Area ---------- */
    .screenshot-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }
    .screenshot-item {
      border-radius: var(--radius-card);
      overflow: hidden;
      background: var(--card-bg);
      border: 1px solid var(--border-main);
      box-shadow: var(--shadow-card);
      transition: box-shadow 0.2s ease, transform 0.2s ease;
    }
    .screenshot-item:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }
    .screenshot-item img {
      width: 100%;
      height: 210px;
      object-fit: cover;
    }
    .screenshot-info {
      padding: 16px 18px 18px;
    }
    .screenshot-info .st-title {
      font-size: 15px;
      font-weight: 600;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .screenshot-info .st-desc {
      font-size: 13px;
      color: var(--text-sub);
      line-height: 1.55;
    }

    /* ---------- FAQ ---------- */
    .faq-list {
      max-width: 960px;
      margin: 0 auto;
    }
    .faq-item {
      border-bottom: 1px solid var(--border-main);
    }
    .faq-item:first-child {
      border-top: 1px solid var(--border-main);
    }
    details.faq-item {
      padding: 0;
    }
    details.faq-item summary {
      cursor: pointer;
      list-style: none;
      display: flex;
      align-items: center;
      gap: 16px;
      padding: 24px 8px;
      transition: color 0.2s ease;
    }
    details.faq-item summary::-webkit-details-marker {
      display: none;
    }
    details.faq-item summary:hover {
      color: var(--signal-orange);
    }
    .faq-num {
      background: var(--pitch-green);
      color: var(--volt);
      font-size: 13px;
      font-weight: 700;
      width: 32px;
      height: 32px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 8px;
      flex: 0 0 32px;
    }
    .faq-q {
      flex: 1;
      font-size: 17px;
      font-weight: 600;
      color: var(--text-main);
      line-height: 1.5;
    }
    details.faq-item summary .faq-icon {
      color: var(--signal-orange);
      font-size: 20px;
      font-weight: 400;
      transition: transform 0.25s ease;
      display: inline-block;
    }
    details[open].faq-item summary .faq-icon {
      transform: rotate(45deg);
    }
    .faq-a {
      padding: 0 8px 24px 56px;
      color: var(--text-sub);
      line-height: 1.85;
      font-size: 15px;
    }

    /* ---------- CTA panel ---------- */
    .cta-panel {
      background: linear-gradient(135deg, var(--pitch-green) 0%, var(--pitch-green-dark) 100%);
      border-radius: 20px;
      padding: 40px 44px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      flex-wrap: wrap;
      position: relative;
      overflow: hidden;
    }
    .cta-panel::after {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      background: radial-gradient(circle, rgba(215, 241, 113, 0.16) 0%, transparent 70%);
      right: -40px;
      bottom: -80px;
    }
    .cta-left {
      position: relative;
      z-index: 2;
      max-width: 640px;
    }
    .cta-left h2 {
      color: #fff;
      font-size: clamp(20px, 2.6vw, 28px);
      font-weight: 800;
      margin-bottom: 8px;
      line-height: 1.35;
    }
    .cta-left p {
      color: rgba(255, 255, 255, 0.76);
      font-size: 15px;
      margin-bottom: 0;
      line-height: 1.7;
    }
    .cta-btn-wrap {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      position: relative;
      z-index: 2;
    }
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: var(--radius-btn);
      padding: 12px 28px;
      font-size: 16px;
      font-weight: 600;
      cursor: pointer;
      border: 1px solid transparent;
      transition: all 0.2s ease;
      text-align: center;
      white-space: nowrap;
    }
    .btn-primary {
      background: var(--signal-orange);
      color: #fff;
      box-shadow: 0 3px 0 #b0300f;
    }
    .btn-primary:hover {
      background: var(--signal-orange-light);
      box-shadow: 0 3px 0 #b0300f, 0 8px 20px rgba(244, 81, 30, 0.3);
      color: #fff;
      transform: translateY(-1px);
    }
    .btn-primary:active {
      transform: translateY(2px);
      box-shadow: 0 1px 0 #b0300f;
    }
    .btn-ghost {
      background: transparent;
      border-color: rgba(255, 255, 255, 0.5);
      color: #fff;
    }
    .btn-ghost:hover {
      border-color: #fff;
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
    }

    /* ---------- Bond band ---------- */
    .band {
      border-radius: 16px;
      padding: 18px 24px;
      background: var(--card-bg);
      border: 1px dashed rgba(21, 62, 50, 0.24);
      display: flex;
      align-items: center;
      gap: 14px;
      color: var(--pitch-green);
      font-weight: 600;
      font-size: 15px;
    }

    /* ---------- Pillar data ---------- */
    .data-row {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
      margin-top: 20px;
    }
    .data-cell {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.1);
      padding: 22px 18px;
      border-radius: 14px;
      text-align: center;
    }
    .data-cell .num {
      font-size: 32px;
      font-weight: 800;
      color: var(--volt);
      line-height: 1.2;
    }
    .data-cell .txt {
      color: rgba(255, 255, 255, 0.75);
      font-size: 14px;
      margin-top: 4px;
    }

    /* ---------- Footer ---------- */
    .site-footer {
      background: #10241d;
      color: rgba(255, 255, 255, 0.72);
      padding-top: 48px;
      padding-bottom: 28px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 30px;
      margin-bottom: 32px;
    }
    .footer-brand .brand-text {
      font-size: 20px;
    }
    .footer-brand p {
      margin-top: 14px;
      color: rgba(255, 255, 255, 0.65);
      font-size: 14px;
      line-height: 1.75;
      margin-bottom: 0;
      max-width: 360px;
    }
    .footer-title {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
      margin-bottom: 12px;
    }
    .footer-links {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-links li {
      margin-bottom: 8px;
    }
    .footer-links a {
      color: rgba(255, 255, 255, 0.65);
      font-size: 14px;
      transition: color 0.2s ease, padding-left 0.2s ease;
    }
    .footer-links a:hover {
      color: var(--volt);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 20px;
      display: flex;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      color: rgba(255, 255, 255, 0.5);
      font-size: 13px;
    }

    /* ---------- Floating bar ---------- */
    .float-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      background: rgba(18, 53, 43, 0.95);
      backdrop-filter: blur(4px);
      border-top: 1px solid rgba(215, 241, 113, 0.25);
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 14px;
      padding: 10px 24px;
      z-index: 100;
      min-height: 58px;
    }
    .float-bar .fb-text {
      color: #fff;
      font-size: 15px;
      font-weight: 600;
    }
    .float-bar .fb-text small {
      font-weight: 400;
      color: rgba(255, 255, 255, 0.68);
      margin-left: 8px;
    }
    .btn-float {
      background: var(--signal-orange);
      color: #fff;
      padding: 8px 20px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      box-shadow: 0 2px 0 #b0300f;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      transition: all 0.2s;
    }
    .btn-float:hover {
      background: var(--signal-orange-light);
      color: #fff;
      transform: translateY(-1px);
    }

    :focus-visible {
      outline: 3px solid var(--signal-orange);
      outline-offset: 2px;
    }

    /* ---------- Container ---------- */
    .container {
      max-width: var(--container-w);
      margin-left: auto;
      margin-right: auto;
      padding-left: 20px;
      padding-right: 20px;
      width: 100%;
    }

    /* ---------- Responsive ---------- */
    @media (max-width: 1023px) {
      .feature-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .screenshot-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .scene-media {
        flex: 0 0 100%;
        max-height: 260px;
      }
    }

    @media (max-width: 767px) {
      body {
        padding-bottom: 90px;
      }
      .header-brand-row {
        background: var(--pitch-green);
      }
      .header-brand-inner {
        min-height: 58px;
        padding-left: 16px;
        padding-right: 16px;
      }
      .brand-text {
        font-size: 18px;
      }
      .brand-text small {
        font-size: 10px;
      }
      .header-cta .btn-header {
        padding: 6px 12px;
        font-size: 12px;
      }
      .header-channel-row {
        background: var(--pitch-green-dark);
      }
      .header-channel-row .grid-container {
        padding-left: 0;
        padding-right: 0;
      }
      .channel-inner {
        min-height: 40px;
      }
      .channel-nav {
        padding-left: 12px;
        gap: 2px;
      }
      .channel-link {
        padding: 6px 14px;
        font-size: 13px;
        color: rgba(255, 255, 255, 0.72);
      }
      .channel-link:hover {
        color: #fff;
        background: rgba(255, 255, 255, 0.08);
      }
      .channel-link.is-active {
        background: var(--signal-orange);
        color: #fff;
      }
      .cat-banner {
        padding: 32px 0 46px;
      }
      .cat-banner h1 {
        font-size: 27px;
      }
      .cat-banner p {
        font-size: 15px;
      }
      .step-card {
        padding: 20px;
        gap: 16px;
      }
      .step-num {
        flex: 0 0 54px;
        height: 54px;
        font-size: 22px;
      }
      .step-media {
        flex: 0 0 100%;
        max-height: 180px;
      }
      .feature-grid {
        grid-template-columns: 1fr;
      }
      .screenshot-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 6px;
      }
      .faq-a {
        padding-left: 6px;
      }
      .cta-panel {
        padding: 28px 24px;
      }
      .cta-btn-wrap {
        width: 100%;
      }
      .btn {
        flex: 1;
        padding: 11px 18px;
        font-size: 15px;
      }
      .data-row {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
      }
      .data-cell {
        padding: 12px 8px;
      }
      .data-cell .num {
        font-size: 22px;
      }
      .data-cell .txt {
        font-size: 12px;
      }
      .float-bar {
        padding: 8px 14px;
        min-height: 50px;
      }
      .float-bar .fb-text {
        font-size: 13px;
      }
      .float-bar .fb-text small {
        display: none;
      }
      .btn-float {
        padding: 7px 16px;
        font-size: 13px;
      }
    }

    @media (min-width: 767px) and (max-width: 1024px) {
      .header-channel-row .grid-container {
        padding-left: 0;
        padding-right: 0;
      }
      .float-bar {
        bottom: 14px;
        left: 50%;
        transform: translateX(-50%);
        border-radius: 50px;
        width: 600px;
      }
    }

    @media (min-width: 1025px) {
      .float-bar {
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        border-radius: 50px;
        width: 640px;
      }
    }

    /* inner page hero (category) */
    .category-main {
      padding: 0 0 60px;
    }

    .inline-img {
      display: block;
    }

/* roulang page: article */
:root {
    --pitch-green: #153E32;
    --pitch-dark: #12352B;
    --signal-orange: #F4511E;
    --signal-orange-deep: #C13A16;
    --volt: #D7F171;
    --bg-muted: #F4F0E8;
    --card-bg: #FFFCF7;
    --text-main: #1B2620;
    --text-sub: #67726C;
    --border-green: rgba(21, 62, 50, .14);
    --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-btn: 8px;
    --shadow-card: 0 1px 0 rgba(18,53,43,.06), 0 12px 30px rgba(25,40,30,.08);
    --shadow-hover: 0 2px 0 rgba(18,53,43,.06), 0 18px 40px rgba(25,40,30,.13);
    --transition: all .25s ease;
}

*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-base);
    background: var(--bg-muted);
    color: var(--text-main);
    line-height: 1.75;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 76px;
}

img {
    display: block;
    max-width: 100%;
    border: 0;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

ul,
ol {
    list-style: none;
}

button,
input,
textarea {
    font-family: inherit;
    font-size: inherit;
}

button {
    border: 0;
    cursor: pointer;
}

.grid-container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 20px;
    padding-right: 20px;
    position: relative;
}

@media screen and (max-width: 639px) {
    .grid-container {
        padding-left: 16px;
        padding-right: 16px;
    }
}

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 60;
    background: var(--pitch-green);
    box-shadow: 0 8px 26px rgba(18, 53, 43, .12);
}

.header-brand-row {
    background: var(--pitch-green);
    color: #fff;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.header-brand-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 16px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}

.brand-mark {
    display: flex;
    align-items: flex-end;
    gap: 3px;
    width: 34px;
    height: 28px;
    padding: 3px 4px;
    background: rgba(255,255,255,.08);
    border-radius: 8px;
}

.brand-mark i {
    display: block;
    width: 5px;
    border-radius: 2px 2px 0 0;
    background: var(--signal-orange);
    transform: skewX(-8deg);
}

.brand-mark i:nth-child(1) {
    height: 14px;
}

.brand-mark i:nth-child(2) {
    height: 22px;
    background: var(--volt);
}

.brand-mark i:nth-child(3) {
    height: 10px;
    background: var(--signal-orange);
}

.brand-text {
    display: flex;
    flex-direction: column;
    font-weight: 800;
    font-size: 20px;
    letter-spacing: -0.02em;
    line-height: 1.15;
    white-space: nowrap;
}

.brand-text small {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .16em;
    color: rgba(255,255,255,.72);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 44px;
    padding: 0 24px;
    border-radius: var(--radius-btn);
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    border: 1px solid transparent;
    text-align: center;
    transition: var(--transition);
    white-space: nowrap;
}

.btn:focus-visible,
.channel-link:focus-visible,
.share-chip:focus-visible {
    outline: 3px solid rgba(244, 81, 30, .45);
    outline-offset: 3px;
}

.btn-header {
    background: transparent;
    border-color: rgba(255,255,255,.4);
    color: #fff;
    min-height: 36px;
    padding: 0 16px;
    font-size: 14px;
}

.btn-header:hover {
    background: var(--signal-orange);
    border-color: var(--signal-orange);
    transform: translateY(-1px);
}

.btn-header:active {
    transform: translateY(1px);
}

.btn-primary {
    background: var(--signal-orange);
    border-color: var(--signal-orange);
    color: #fff;
    box-shadow: 0 4px 0 var(--signal-orange-deep);
}

.btn-primary:hover {
    background: #ff5d28;
    border-color: #ff5d28;
    box-shadow: 0 6px 0 var(--signal-orange-deep);
    transform: translateY(-1px);
}

.btn-primary:active {
    transform: translateY(3px);
    box-shadow: 0 1px 0 var(--signal-orange-deep);
}

.btn-dark {
    background: var(--pitch-green);
    border-color: var(--pitch-green);
    color: #fff;
}

.btn-dark:hover {
    background: var(--pitch-dark);
    transform: translateY(-1px);
}

.btn-line {
    background: transparent;
    border-color: rgba(255,255,255,.55);
    color: #fff;
}

.btn-line:hover {
    border-color: var(--signal-orange);
    color: var(--signal-orange);
}

.header-channel-row {
    background: rgba(255,255,255,.96);
    border-bottom: 1px solid var(--border-green);
}

.channel-inner {
    width: 100%;
    overflow: visible;
}

.channel-nav {
    display: flex;
    align-items: center;
    gap: 28px;
    min-height: 48px;
}

.channel-link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 48px;
    padding: 0 4px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: .02em;
}

.channel-link:hover {
    color: var(--signal-orange);
}

.channel-link.is-active {
    color: var(--pitch-green);
    font-weight: 800;
}

.channel-link.is-active::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: var(--signal-orange);
}

@media screen and (max-width: 1023px) {
    .channel-inner {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }

    .channel-inner::-webkit-scrollbar {
        display: none;
    }

    .channel-nav {
        min-width: max-content;
        gap: 22px;
        padding-right: 8px;
    }
}

@media screen and (max-width: 639px) {
    .header-brand-inner {
        min-height: 64px;
    }

    .brand-text {
        font-size: 17px;
    }

    .brand-text small {
        font-size: 10px;
    }

    .brand-mark {
        width: 30px;
        height: 24px;
    }

    .header-cta .btn-header {
        padding: 0 12px;
        font-size: 13px;
    }

    .channel-link {
        font-size: 14px;
    }
}

/* Main */
.article-main {
    padding: 0 0 40px;
}

.article-main-inner {
    padding-top: 36px;
}

/* Breadcrumb */
.breadcrumb-wrap {
    background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat, var(--pitch-dark);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.breadcrumb-wrap::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(18,53,43,.96) 0%, rgba(21,62,50,.78) 65%, rgba(21,62,50,.45) 100%);
    pointer-events: none;
}

.breadcrumb-wrap::after {
    content: "";
    position: absolute;
    right: -6%;
    top: -60%;
    width: 380px;
    height: 300px;
    background-image: linear-gradient(135deg, rgba(255,255,255,.1) 25%, transparent 25%), linear-gradient(225deg, rgba(255,255,255,.1) 25%, transparent 25%);
    background-size: 10px 10px;
    opacity: .2;
    transform: rotate(-6deg);
}

.breadcrumb-inner {
    position: relative;
    z-index: 2;
    padding: 34px 0 62px;
    color: #fff;
}

.breadcrumb-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255,255,255,.78);
}

.breadcrumb-nav a {
    color: rgba(255,255,255,.9);
}

.breadcrumb-nav a:hover {
    color: var(--volt);
}

.breadcrumb-split {
    opacity: .55;
}

.breadcrumb-current {
    color: #fff;
    font-weight: 600;
}

.breadcrumb-kicker {
    margin-top: 24px;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--signal-orange);
    color: #fff;
    border-radius: 999px;
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
}

.breadcrumb-kicker i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--volt);
    display: block;
}

/* Article card */
.article-stage {
    margin-top: -24px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 44px 48px 34px;
    position: relative;
}

.article-head {
    margin-bottom: 20px;
}

.article-category-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}

.article-cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(244, 81, 30, .12);
    color: var(--signal-orange);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 13px;
    font-weight: 800;
}

.article-cat i {
    display: block;
    width: 6px;
    height: 6px;
    background: var(--signal-orange);
    border-radius: 50%;
}

.article-title {
    font-size: clamp(27px, 4vw, 42px);
    line-height: 1.3;
    font-weight: 900;
    letter-spacing: -0.03em;
    color: var(--text-main);
    margin-bottom: 16px;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px 20px;
    font-size: 14px;
    color: var(--text-sub);
    border-top: 1px solid var(--border-green);
    border-bottom: 1px solid var(--border-green);
    padding: 14px 0;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.meta-item::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--volt);
    box-shadow: 0 0 0 3px rgba(215, 241, 113, .18);
}

.meta-cat-link {
    color: var(--pitch-green);
    font-weight: 700;
}

.meta-cat-link:hover {
    color: var(--signal-orange);
}

.article-cover {
    border-radius: 14px;
    overflow: hidden;
    position: relative;
    background: #E6E2D8;
    margin: 28px 0 30px;
    box-shadow: var(--shadow-card);
}

.article-cover img {
    width: 100%;
    height: auto;
    min-height: 220px;
    object-fit: cover;
    aspect-ratio: 16 / 9;
}

.article-cover-caption {
    position: absolute;
    left: 14px;
    bottom: 14px;
    background: rgba(18,53,43,.78);
    color: #fff;
    font-size: 12px;
    padding: 5px 11px;
    border-radius: 999px;
    letter-spacing: .03em;
    backdrop-filter: blur(6px);
}

.article-read-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
}

.article-body {
    font-size: 17px;
    line-height: 1.85;
    color: #27332d;
    min-height: 180px;
}

.article-body p {
    margin: 0 0 1.35em;
}

.article-body h2,
.article-body h3,
.article-body h4 {
    margin: 1.5em 0 .7em;
    color: var(--pitch-green);
    font-weight: 800;
    letter-spacing: -0.02em;
    line-height: 1.4;
}

.article-body h2 {
    font-size: 25px;
}

.article-body h3 {
    font-size: 21px;
}

.article-body ul,
.article-body ol {
    margin: 0 0 1.5em;
    padding-left: 1.35em;
}

.article-body ul {
    list-style: disc;
}

.article-body ol {
    list-style: decimal;
}

.article-body li {
    margin-bottom: .55em;
}

.article-body blockquote {
    border-left: 4px solid var(--signal-orange);
    background: #F8F3E9;
    margin: 1.8em 0;
    padding: 18px 22px;
    border-radius: 0 12px 12px 0;
    color: #37423c;
}

.article-body img {
    max-width: 100%;
    border-radius: 12px;
    margin: 1.6em 0;
}

.article-body a {
    color: var(--signal-orange);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.article-body a:hover {
    color: var(--pitch-green);
}

.article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5em 0;
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
}

.article-body th,
.article-body td {
    padding: 10px 14px;
    border: 1px solid var(--border-green);
    text-align: left;
}

.article-body th {
    background: var(--pitch-green);
    color: #fff;
    font-weight: 700;
}

/* Article end */
.article-footer {
    margin: 36px 0 0;
    padding-top: 26px;
    border-top: 1px solid var(--border-green);
}

.tag-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
}

.tag-row-label {
    font-size: 14px;
    color: var(--text-sub);
    font-weight: 600;
}

.article-tag {
    display: inline-flex;
    align-items: center;
    background: var(--pitch-green);
    color: #fff;
    border-radius: 999px;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 600;
    transition: var(--transition);
}

.article-tag:hover {
    background: var(--signal-orange);
    transform: translateY(-1px);
}

.share-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;
}

.share-label {
    font-size: 14px;
    color: var(--text-sub);
    font-weight: 600;
}

.share-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    min-height: 38px;
    padding: 0 15px;
    background: #EDE9DF;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    transition: var(--transition);
    border: 1px solid transparent;
}

.share-chip:hover {
    background: var(--pitch-green);
    color: #fff;
    box-shadow: var(--shadow-card);
    transform: translateY(-1px);
}

.share-chip.is-copied {
    background: var(--volt);
    color: #1B2620;
}

/* Related */
.article-related {
    margin-top: 32px;
    border-top: 2px solid var(--border-green);
    padding-top: 24px;
}

.related-title {
    font-size: 18px;
    font-weight: 800;
    color: var(--pitch-green);
    margin-bottom: 18px;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.related-card {
    display: block;
    background: #F8F4EC;
    border-radius: 12px;
    padding: 20px 22px;
    border: 1px solid transparent;
    transition: var(--transition);
    border-left: 3px solid var(--signal-orange);
}

.related-card:hover {
    background: #fff;
    border-color: var(--border-green);
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.related-card em {
    display: block;
    font-style: normal;
    font-size: 12px;
    color: var(--signal-orange);
    letter-spacing: .08em;
    margin-bottom: 8px;
    font-weight: 700;
}

.related-card strong {
    display: block;
    font-size: 16px;
    font-weight: 800;
    color: var(--text-main);
}

.related-card span {
    display: block;
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-sub);
}

@media screen and (max-width: 639px) {
    .article-stage {
        margin-top: -14px;
        padding: 26px 18px 22px;
        border-radius: 0 0 14px 14px;
    }

    .article-title {
        font-size: 24px;
        line-height: 1.35;
    }

    .related-grid {
        grid-template-columns: 1fr;
    }

    .article-body {
        font-size: 16px;
    }
}

/* Article bottom CTA */
.article-bottom-cta {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    background: url('/assets/images/backpic/back-3.webp') center center / cover no-repeat;
    margin-top: 44px;
}

.article-bottom-cta::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(110deg, rgba(18,53,43,.97) 10%, rgba(18,53,43,.86) 60%, rgba(21,62,50,.7));
}

.bottom-cta-inner {
    position: relative;
    z-index: 2;
    padding: 48px 48px 52px;
    color: #fff;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
}

.bottom-cta-copy h2 {
    font-size: 26px;
    font-weight: 900;
    color: #fff;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.bottom-cta-copy p {
    color: rgba(255,255,255,.8);
    max-width: 620px;
    font-size: 15px;
}

.bottom-cta-copy h2 i {
    color: var(--volt);
    font-style: normal;
}

.bottom-cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

@media screen and (max-width: 767px) {
    .bottom-cta-inner {
        padding: 32px 20px;
        flex-direction: column;
        align-items: flex-start;
    }

    .bottom-cta-copy h2 {
        font-size: 21px;
    }

    .bottom-cta-actions {
        width: 100%;
        flex-direction: column;
    }

    .bottom-cta-actions .btn {
        width: 100%;
    }
}

/* Not found */
.article-notfound {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    padding: 70px 24px;
    text-align: center;
    margin-top: 46px;
}

.notfound-code {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--signal-orange);
    font-size: 14px;
    font-weight: 800;
    letter-spacing: .16em;
    margin-bottom: 14px;
}

.notfound-code::before,
.notfound-code::after {
    content: "";
    width: 24px;
    height: 2px;
    background: var(--signal-orange);
}

.notfound-title {
    font-size: 32px;
    font-weight: 900;
    color: var(--text-main);
    margin-bottom: 12px;
}

.notfound-text {
    color: var(--text-sub);
    font-size: 15px;
    margin-bottom: 30px;
}

@media screen and (max-width: 639px) {
    .notfound-title {
        font-size: 26px;
    }
}

/* Bottom fixed bar */
.site-quickbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 70;
    background: rgba(18, 53, 43, .94);
    backdrop-filter: blur(8px);
    color: #fff;
    box-shadow: 0 -10px 30px rgba(18,53,43,.2);
    border-top: 1px solid rgba(255,255,255,.12);
}

.quickbar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 62px;
}

.quickbar-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
}

.quickbar-title i {
    display: block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--volt);
    box-shadow: 0 0 0 4px rgba(215,241,113,.22);
    margin-right: 2px;
}

.quickbar-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.quickbar-actions .btn {
    min-height: 38px;
    padding: 0 18px;
    font-size: 14px;
}

.quickbar-actions .btn-primary {
    box-shadow: 0 3px 0 var(--signal-orange-deep);
}

.quickbar-actions .btn-primary:active {
    transform: translateY(2px);
    box-shadow: 0 0 0 var(--signal-orange-deep);
}

@media screen and (max-width: 767px) {
    .quickbar-inner {
        gap: 10px;
    }

    .quickbar-title {
        font-size: 13px;
    }

    .quickbar-title .quickbar-sub {
        display: none;
    }

    .quickbar-actions .btn-line {
        display: none;
    }

    .quickbar-actions .btn {
        padding: 0 14px;
        font-size: 13px;
    }
}

@media screen and (max-width: 419px) {
    .quickbar-title {
        display: none;
    }

    .quickbar-actions {
        width: 100%;
    }

    .quickbar-actions .btn {
        width: 100%;
    }
}

/* Footer */
.site-footer {
    background: var(--pitch-dark);
    color: rgba(255,255,255,.85);
    padding: 58px 0 0;
    border-top: 4px solid var(--signal-orange);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 0.8fr 1fr;
    gap: 44px;
    padding-bottom: 42px;
    border-bottom: 1px solid rgba(255,255,255,.1);
}

.footer-brand .brand {
    margin-bottom: 18px;
}

.footer-brand p {
    font-size: 14px;
    color: rgba(255,255,255,.68);
    max-width: 440px;
    line-height: 1.8;
}

.footer-title {
    color: #fff;
    font-size: 16px;
    font-weight: 800;
    letter-spacing: .02em;
    margin: 6px 0 16px;
}

.footer-title::before {
    content: "";
    display: inline-block;
    width: 4px;
    height: 14px;
    background: var(--signal-orange);
    border-radius: 2px;
    margin-right: 9px;
    vertical-align: -2px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.72);
    font-size: 14px;
}

.footer-links a::before {
    content: "";
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--signal-orange);
    opacity: .55;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--volt);
}

.footer-links a:hover::before {
    opacity: 1;
    background: var(--volt);
}

.footer-bottom {
    padding: 22px 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px 26px;
    justify-content: space-between;
    font-size: 13px;
    color: rgba(255,255,255,.5);
}

.footer-copy {
    color: rgba(255,255,255,.56);
}

@media screen and (max-width: 900px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .footer-brand {
        grid-column: span 2;
    }
}

@media screen and (max-width: 639px) {
    .site-footer {
        padding-top: 44px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .footer-brand {
        grid-column: span 1;
    }

    .footer-bottom {
        flex-direction: column;
    }
}

/* roulang page: category2 */
:root {
    --pitch: #153E32;
    --pitch-deep: #0E2B22;
    --pitch-800: #1C4D3E;
    --signal: #F4511E;
    --signal-light: #FF6B35;
    --signal-deep: #9B2D0F;
    --lime: #D7F171;
    --cream: #F4F0E8;
    --paper: #FFFCF7;
    --white: #FFFFFF;
    --ink: #1B2620;
    --muted: #67726C;
    --line: rgba(21, 62, 50, .15);
    --line-dark: rgba(255, 255, 255, .15);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --shadow-card: 0 1px 0 rgba(18,53,43,.06), 0 12px 30px rgba(25,40,30,.08);
    --shadow-hover: 0 2px 0 rgba(18,53,43,.06), 0 20px 40px rgba(20,42,30,.14);
    --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
  }

  *, *::before, *::after {
    box-sizing: border-box;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: var(--font);
    margin: 0;
    background: var(--cream);
    color: var(--ink);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 72px;
  }

  img {
    max-width: 100%;
    height: auto;
    display: block;
  }

  a {
    color: inherit;
    text-decoration: none;
    transition: color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
  }

  button, input, textarea, select {
    font-family: inherit;
  }

  h1, h2, h3, h4, h5 {
    margin: 0 0 .5em;
    line-height: 1.25;
    letter-spacing: -0.02em;
  }

  h2 {
    font-size: clamp(1.5rem, 2.6vw, 2.1rem);
    font-weight: 800;
  }

  h3 {
    font-size: 1.12rem;
    font-weight: 700;
  }

  .grid-container {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
  }

  .section {
    padding: 76px 0;
    scroll-margin-top: 130px;
  }

  .section.tight {
    padding: 56px 0;
  }

  .section-plain {
    background: var(--paper);
  }

  .section-grey {
    background: var(--cream);
  }

  .section-deep {
    background: var(--pitch);
  }

  .section-head {
    max-width: 900px;
    margin-bottom: 36px;
  }

  .section-head.right {
    margin-left: auto;
    text-align: right;
  }

  .section-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--signal);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: .04em;
    margin-bottom: 10px;
  }

  .section-tag::before {
    content: "";
    width: 20px;
    height: 4px;
    background: var(--signal);
    border-radius: 2px;
  }

  .section-head h2 {
    margin-bottom: 10px;
  }

  .section-sub {
    color: var(--muted);
    font-size: 16px;
    max-width: 760px;
  }

  .section-head.light h2,
  .section-deep h2 {
    color: #fff;
  }

  .section-head.light .section-sub {
    color: rgba(255,255,255,.72);
  }

  /* ===== 统一站点头部 ===== */
  .site-header {
    position: sticky;
    top: 0;
    left: 0;
    right: 0;
    z-index: 60;
  }

  .header-brand-row {
    background: var(--pitch);
    color: #fff;
    position: relative;
  }

  .header-brand-row::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--signal) 0 22%, var(--lime) 22% 46%, transparent 46%);
    opacity: .8;
  }

  .header-brand-inner {
    min-height: 62px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
  }

  .brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    line-height: 1.2;
  }

  .brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    background: var(--signal);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 3px;
    box-shadow: 0 4px 12px rgba(244,81,30,.25);
    flex: 0 0 42px;
  }

  .brand-mark i {
    display: block;
    width: 4px;
    background: #fff;
    border-radius: 3px;
  }

  .brand-mark i:nth-child(1) {
    height: 12px;
  }

  .brand-mark i:nth-child(2) {
    height: 22px;
  }

  .brand-mark i:nth-child(3) {
    height: 17px;
  }

  .brand-text {
    color: #fff;
    font-size: 1.22rem;
    font-weight: 800;
    letter-spacing: .02em;
    line-height: 1.1;
    display: inline-flex;
    align-items: baseline;
    gap: 6px;
  }

  .brand-text small {
    font-size: .7rem;
    font-weight: 400;
    color: rgba(255,255,255,.8);
    letter-spacing: .02em;
  }

  .btn-header {
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.2);
    color: #fff;
  }

  .btn-header:hover {
    background: var(--signal);
    border-color: var(--signal);
    color: #fff;
  }

  .header-channel-row {
    background: var(--paper);
    border-bottom: 1px solid var(--line);
  }

  .channel-inner {
    display: flex;
    align-items: center;
  }

  .channel-nav {
    display: flex;
    gap: 26px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    min-width: 0;
    flex: 1;
  }

  .channel-nav::-webkit-scrollbar {
    display: none;
  }

  .channel-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    position: relative;
    padding: 16px 0 13px;
    font-size: 15px;
    color: #2A3A32;
    font-weight: 500;
  }

  .channel-link::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -1px;
    height: 3px;
    border-radius: 3px 3px 0 0;
    background: var(--signal);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
  }

  .channel-link:hover {
    color: var(--signal);
  }

  .channel-link.is-active {
    color: var(--signal);
    font-weight: 700;
  }

  .channel-link.is-active::after {
    transform: scaleX(1);
  }

  /* ===== Hero ===== */
  .hero {
    background: var(--pitch);
    color: #fff;
    padding: 72px 0 80px;
    border-bottom: 4px solid var(--signal);
    position: relative;
    overflow: hidden;
  }

  .hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image:
      radial-gradient(circle at 84% 18%, rgba(215,241,113,.16), transparent 26%),
      radial-gradient(circle at 8% 80%, rgba(244,81,30,.18), transparent 24%),
      repeating-linear-gradient(120deg, rgba(255,255,255,.035) 0 1px, transparent 1px 12px),
      linear-gradient(105deg, rgba(21,62,50,.98), rgba(12,40,32,.96));
    pointer-events: none;
  }

  .hero::after {
    content: "";
    position: absolute;
    right: 0;
    top: 0;
    width: 160px;
    height: 100%;
    background: repeating-linear-gradient(90deg, transparent 0 18px, rgba(215,241,113,.10) 18px 19px);
    opacity: .5;
  }

  .hero-grid {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 56px;
    align-items: center;
  }

  .hero-kicker {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1px solid rgba(255,255,255,.22);
    background: rgba(255,255,255,.06);
    padding: 6px 14px;
    border-radius: 99px;
    font-size: 14px;
    color: rgba(255,255,255,.88);
    margin-bottom: 22px;
  }

  .live-dot {
    width: 8px;
    height: 8px;
    background: var(--lime);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 0 4px rgba(215,241,113,.18);
    animation: pulse 1.6s infinite;
  }

  @keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 3px rgba(215,241,113,.2); }
    50% { box-shadow: 0 0 0 8px rgba(215,241,113,0); }
  }

  .hero h1 {
    color: #fff;
    font-size: clamp(2.2rem, 4.8vw, 4.1rem);
    font-weight: 900;
    letter-spacing: -.045em;
    line-height: 1.12;
    margin-bottom: 18px;
  }

  .hero h1 .hl {
    color: var(--lime);
  }

  .hero-lead {
    color: rgba(255,255,255,.76);
    max-width: 560px;
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 28px;
  }

  .hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    align-items: center;
    margin-bottom: 28px;
  }

  .hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    color: rgba(255,255,255,.8);
    font-size: 13px;
  }

  .hero-tags span {
    border: 1px solid rgba(215,241,113,.4);
    background: rgba(215,241,113,.08);
    border-radius: 6px;
    padding: 3px 10px;
  }

  .hero-media {
    position: relative;
  }

  .media-frame {
    background: var(--paper);
    border-radius: 18px;
    padding: 10px;
    box-shadow: 0 30px 60px rgba(0,0,0,.25);
    transform: rotate(.6deg);
    border: 1px solid rgba(255,255,255,.2);
  }

  .media-frame img {
    border-radius: 14px;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    width: 100%;
  }

  .media-caption {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 12px 4px 2px;
    font-size: 13px;
    color: #5D6A63;
  }

  .score-chip {
    background: var(--signal);
    color: #fff;
    border-radius: 6px;
    padding: 2px 10px;
    font-weight: 700;
    font-size: 12px;
  }

  .hero-scoreboard {
    position: absolute;
    left: -18px;
    bottom: 18px;
    background: var(--pitch-deep);
    border: 1px solid rgba(255,255,255,.25);
    border-radius: 13px;
    padding: 12px 16px;
    display: flex;
    gap: 22px;
    color: #fff;
    box-shadow: 0 16px 32px rgba(0,0,0,.18);
    backdrop-filter: blur(8px);
  }

  .score-label {
    color: rgba(255,255,255,.58);
    font-size: 12px;
    display: block;
  }

  .score-value {
    font-size: 15px;
    font-weight: 700;
    color: var(--lime);
  }

  /* ===== 按钮体系 ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 46px;
    padding: 0 22px;
    border-radius: 9px;
    border: 0;
    font-size: 15px;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: all .2s ease;
    outline-offset: 3px;
  }

  .btn:focus-visible {
    outline: 3px solid var(--lime);
  }

  .btn-lg {
    min-height: 54px;
    padding: 0 26px;
    font-size: 16px;
  }

  .btn-primary {
    background: var(--signal);
    color: #fff;
    box-shadow: 0 5px 0 var(--signal-deep);
  }

  .btn-primary:hover {
    background: var(--signal-light);
    transform: translateY(-2px);
    box-shadow: 0 7px 0 var(--signal-deep), 0 14px 24px rgba(244,81,30,.24);
    color: #fff;
  }

  .btn-primary:active {
    transform: translateY(3px);
    box-shadow: 0 2px 0 var(--signal-deep);
  }

  .btn-secondary {
    background: transparent;
    border: 1px solid rgba(255,255,255,.42);
    color: #fff;
    box-shadow: 0 5px 0 rgba(0,0,0,.14);
  }

  .btn-secondary:hover {
    border-color: var(--lime);
    color: var(--lime);
    background: rgba(215,241,113,.1);
    transform: translateY(-2px);
  }

  .btn-secondary:active {
    transform: translateY(3px);
    box-shadow: none;
  }

  .btn-orange-text {
    background: transparent;
    border: 1px solid rgba(244,81,30,.24);
    color: var(--signal);
  }

  .btn-orange-text:hover {
    background: var(--signal);
    color: #fff;
  }

  .btn-dark {
    background: var(--pitch);
    color: #fff;
    box-shadow: 0 5px 0 var(--pitch-deep);
  }

  .btn-dark:hover {
    background: var(--pitch-800);
    transform: translateY(-2px);
    color: #fff;
  }

  .btn-dark:active {
    transform: translateY(3px);
    box-shadow: none;
  }

  .btn .arrow {
    font-style: normal;
    transition: transform .2s ease;
  }

  .btn:hover .arrow {
    transform: translateX(4px);
  }

  /* ===== 中部信息卡 ===== */
  .feature-block {
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease;
  }

  .feature-block:hover {
    box-shadow: var(--shadow-hover);
  }

  .feature-card {
    display: grid;
    grid-template-columns: 1.12fr .88fr;
    min-height: 0;
  }

  .feature-media {
    position: relative;
    min-height: 320px;
  }

  .feature-media img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .feature-media::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(14,43,34,.55), transparent 60%);
  }

  .feature-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    z-index: 2;
    background: var(--lime);
    color: var(--pitch-deep);
    font-weight: 800;
    border-radius: 6px;
    padding: 5px 13px;
    font-size: 13px;
  }

  .feature-body {
    padding: 34px 30px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .feature-body p {
    color: var(--muted);
    font-size: 15px;
  }

  .feature-note {
    font-size: 14px;
    color: #4A5850;
    background: rgba(244,81,30,.06);
    border-left: 3px solid var(--signal);
    padding: 12px 14px;
    border-radius: 0 8px 8px 0;
    margin-top: 10px;
  }

  .mini-list {
    margin: 16px 0 20px;
    display: grid;
    gap: 8px;
  }

  .mini-list li {
    list-style: none;
    display: flex;
    align-items: baseline;
    gap: 8px;
    font-size: 15px;
    color: #34453C;
  }

  .mini-list li::before {
    content: "";
    width: 5px;
    height: 5px;
    background: var(--signal);
    border-radius: 2px;
    flex: 0 0 5px;
  }

  /* 要闻列表 */
  .news-feed-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

  .news-card {
    background: var(--cream);
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    padding: 0;
    position: relative;
    overflow: hidden;
    transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
    box-shadow: 0 1px 0 rgba(18,53,43,.03);
    scroll-margin-top: 150px;
  }

  .news-card::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 3px;
    background: var(--signal);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
    z-index: 2;
  }

  .news-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 18px 36px rgba(25,40,30,.1);
    border-color: rgba(21,62,50,.22);
  }

  .news-card:hover::before {
    transform: scaleX(1);
  }

  .news-thumb {
    position: relative;
    align-self: flex-start;
    overflow: hidden;
  }

  .news-thumb img {
    width: 100%;
    aspect-ratio: 16 / 7.5;
    object-fit: cover;
  }

  .news-tag {
    position: absolute;
    left: 16px;
    top: 16px;
    background: var(--signal);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    padding: 2px 9px;
    border-radius: 5px;
    z-index: 2;
  }

  .news-tag.lime {
    background: var(--lime);
    color: var(--pitch-deep);
  }

  .news-body {
    padding: 20px 22px 24px;
  }

  .news-body h3 {
    margin-bottom: 8px;
    line-height: 1.4;
    font-size: 1.08rem;
  }

  .news-body h3 a:hover {
    color: var(--signal);
  }

  .news-body p {
    color: var(--muted);
    font-size: 15px;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .news-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #7C8781;
    font-size: 13px;
    border-top: 1px dashed rgba(21,62,50,.15);
    padding-top: 14px;
    margin-top: 4px;
  }

  .news-link {
    display: inline-flex;
    align-items: center;
    color: var(--signal);
    font-weight: 600;
  }

  .news-link::after {
    content: "→";
    margin-left: 5px;
    transition: transform .2s ease;
  }

  .news-link:hover::after {
    transform: translateX(4px);
  }

  /* 专题标题区 */
  .more-line {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 26px;
  }

  .more-line .section-head {
    margin-bottom: 0;
  }

  .text-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--signal);
    font-weight: 700;
    font-size: 14px;
    padding: 6px 12px;
    border: 1px solid transparent;
    border-radius: 7px;
    background: rgba(244,81,30,.08);
  }

  .text-link:hover {
    background: var(--signal);
    color: #fff;
  }

  /* 中部浅色数字指标条 */
  .stats-band {
    background: var(--pitch);
    position: relative;
    overflow: hidden;
    color: #fff;
    padding: 54px 0;
  }

  .stats-band::before {
    content: "";
    inset: 0;
    position: absolute;
    background: repeating-linear-gradient(135deg, rgba(255,255,255,.04) 0 1px, transparent 1px 14px);
  }

  .stats-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .stat-item {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.16);
    border-radius: 14px;
    padding: 24px 22px;
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-height: 128px;
  }

  .stat-index {
    color: var(--lime);
    font-weight: 800;
    font-size: 14px;
    letter-spacing: .04em;
  }

  .stat-item h3 {
    color: #fff;
    margin: 0;
    font-size: 1.08rem;
  }

  .stat-item p {
    color: rgba(255,255,255,.66);
    font-size: 14px;
    margin: 0;
    line-height: 1.6;
  }

  /* 手机访问说明 */
  .steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .step-card {
    position: relative;
    background: var(--paper);
    border-radius: var(--radius-md);
    border: 1px solid var(--line);
    overflow: hidden;
    padding: 28px 24px 26px;
    transition: transform .25s ease, box-shadow .25s ease;
    scroll-margin-top: 150px;
  }

  .step-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }

  .step-card .step-num {
    font-size: 2.8rem;
    font-weight: 900;
    color: rgba(244,81,30,.2);
    line-height: 1;
    letter-spacing: -.05em;
    display: block;
    margin-bottom: 8px;
  }

  .step-card h3 {
    margin-bottom: 8px;
  }

  .step-card p {
    color: var(--muted);
    font-size: 15px;
    margin: 0;
  }

  .step-bottom {
    border-top: 1px solid rgba(21,62,50,.1);
    margin-top: 18px;
    padding-top: 14px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
  }

  .step-tag {
    background: var(--cream);
    border: 1px solid var(--line);
    color: #33453C;
    font-size: 13px;
    border-radius: 99px;
    padding: 3px 12px;
  }

  /* FAQ */
  .faq-wrap {
    max-width: 920px;
    margin: 0 auto;
  }

  .faq-list {
    border-bottom: 1px solid var(--line);
  }

  .faq-item {
    border-top: 1px solid var(--line);
  }

  .faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    list-style: none;
    cursor: pointer;
    padding: 24px 4px;
    font-size: 17px;
    font-weight: 600;
    color: var(--ink);
    transition: color .2s ease;
  }

  .faq-item summary:hover {
    color: var(--signal);
  }

  .faq-item summary::-webkit-details-marker {
    display: none;
  }

  .faq-no {
    flex: 0 0 46px;
    width: 46px;
    height: 34px;
    background: var(--pitch);
    color: var(--lime);
    font-weight: 800;
    font-size: 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    margin-right: 4px;
    letter-spacing: -.03em;
  }

  .faq-q {
    flex: 1;
  }

  .faq-icon {
    flex: 0 0 30px;
    width: 30px;
    height: 30px;
    border: 2px solid var(--line);
    color: var(--signal);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 20px;
    transition: all .2s ease;
    position: relative;
  }

  .faq-icon::before {
    content: "+";
  }

  .faq-item[open] .faq-icon {
    border-color: var(--signal);
    background: var(--signal);
    color: #fff;
  }

  .faq-item[open] .faq-icon::before {
    content: "−";
  }

  .faq-answer {
    padding: 0 28px 26px 78px;
    color: var(--muted);
    line-height: 1.8;
    font-size: 15px;
  }

  .faq-link-more {
    text-align: center;
    margin-top: 42px;
  }

  /* 底部 CTA */
  .cta-band {
    background: var(--pitch);
    position: relative;
    overflow: hidden;
  }

  .cta-band::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
      repeating-linear-gradient(60deg, rgba(255,255,255,.035) 0 1px, transparent 1px 16px),
      radial-gradient(circle at 15% 50%, rgba(215,241,113,.13), transparent 30%),
      linear-gradient(135deg, #163D31, #0C2B21);
  }

  .cta-inner {
    position: relative;
    text-align: center;
    padding: 90px 20px;
    color: #fff;
    max-width: 780px;
    margin: 0 auto;
  }

  .cta-inner h2 {
    font-size: clamp(1.6rem, 3vw, 2.5rem);
    font-weight: 900;
    margin-bottom: 14px;
  }

  .cta-inner p {
    color: rgba(255,255,255,.7);
    font-size: 16px;
    margin-bottom: 30px;
  }

  .cta-actions {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
  }

  /* ===== 页脚 ===== */
  .site-footer {
    background: #12271F;
    color: rgba(255,255,255,.72);
    padding: 64px 0 20px;
    border-top: 4px solid var(--signal);
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 52px;
  }

  .footer-brand .brand-text {
    color: #fff;
  }

  .footer-grid p {
    max-width: 360px;
    font-size: 14px;
    color: rgba(255,255,255,.58);
    margin-top: 16px;
    margin-bottom: 0;
  }

  .footer-title {
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 10px;
  }

  .footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 26px;
    height: 3px;
    background: var(--signal);
    border-radius: 2px;
  }

  .footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 10px;
  }

  .footer-links a {
    color: rgba(255,255,255,.66);
    font-size: 14px;
  }

  .footer-links a:hover {
    color: var(--lime);
    padding-left: 4px;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    gap: 10px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255,255,255,.45);
  }

  .footer-copy a {
    color: rgba(255,255,255,.5);
  }

  /* 底部固定转化条 */
  .convert-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 55;
    background: rgba(8, 28, 20, .93);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border-top: 1px solid rgba(215,241,113,.18);
    color: #fff;
    box-shadow: 0 -10px 30px rgba(0,0,0,.18);
  }

  .convert-inner {
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding-top: 8px;
    padding-bottom: 8px;
  }

  .convert-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
    line-height: 1.35;
    min-width: 0;
  }

  .convert-text strong {
    font-size: 15px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .convert-text span {
    font-size: 12px;
    color: rgba(255,255,255,.55);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .convert-btn {
    background: var(--signal);
    color: #fff;
    box-shadow: 0 4px 0 var(--signal-deep);
    min-height: 42px;
    border-radius: 8px;
    padding: 0 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex: 0 0 auto;
  }

  .convert-btn:hover {
    background: var(--signal-light);
    color: #fff;
  }

  /* 通用焦点锚点避让 */
  #featured-news, #news-flow, #news-topics, #faq {
    scroll-margin-top: 146px;
  }

  /* 响应式 */
  @media (max-width: 1023px) {
    .section {
      padding: 62px 0;
    }

    .hero {
      padding: 58px 0 70px;
    }

    .hero-grid {
      grid-template-columns: 1fr;
      gap: 34px;
    }

    .hero-lead {
      max-width: 640px;
    }

    .hero-media {
      order: 2;
    }

    .hero-scoreboard {
      left: 8px;
      bottom: 8px;
    }

    .feature-card {
      grid-template-columns: 1fr;
    }

    .feature-media {
      min-height: 230px;
    }

    .feature-media::after {
      background: linear-gradient(0deg, rgba(14,43,34,.55), transparent 60%);
    }

    .news-feed-grid {
      grid-template-columns: 1fr;
      gap: 18px;
    }

    .stats-grid {
      grid-template-columns: 1fr 1fr;
    }

    .steps {
      grid-template-columns: 1fr 1fr;
    }

    .footer-grid {
      grid-template-columns: 1fr 1fr;
    }
  }

  @media (max-width: 639px) {
    body {
      padding-bottom: 78px;
    }

    .grid-container {
      padding-left: 18px;
      padding-right: 18px;
    }

    .section {
      padding: 44px 0;
      scroll-margin-top: 140px;
    }

    .section.tight {
      padding: 38px 0;
    }

    .header-brand-inner {
      min-height: 58px;
    }

    .brand-mark {
      width: 36px;
      height: 36px;
      flex-basis: 36px;
    }

    .brand-text {
      font-size: 1.04rem;
      flex-direction: column;
      gap: 1px;
    }

    .btn-header {
      min-height: 38px;
      font-size: 13px;
      padding: 0 16px;
    }

    .channel-nav {
      gap: 18px;
    }

    .channel-link {
      padding: 13px 0 11px;
      font-size: 14px;
    }

    .hero {
      padding: 42px 0 52px;
    }

    .hero h1 {
      letter-spacing: -.03em;
    }

    .hero-actions {
      gap: 10px;
      align-items: stretch;
      flex-direction: column;
    }

    .hero-actions .btn {
      width: 100%;
    }

    .hero-scoreboard {
      gap: 12px;
      padding: 10px 13px;
      font-size: 12px;
    }

    .hero-media {
      transform: translateY(0);
    }

    .feature-body {
      padding: 24px 20px;
    }

    .news-card {
      padding: 0;
    }

    .news-body {
      padding: 18px 16px 20px;
    }

    .stats-grid {
      grid-template-columns: 1fr;
    }

    .steps {
      grid-template-columns: 1fr;
    }

    .faq-answer {
      padding: 0 16px 22px 16px;
    }

    .faq-item summary {
      align-items: flex-start;
      padding: 18px 2px;
      font-size: 16px;
    }

    .faq-no {
      flex-basis: 36px;
      width: 36px;
      height: 30px;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 30px;
      margin-bottom: 36px;
    }

    .footer-bottom {
      justify-content: center;
      text-align: center;
    }

    .convert-inner {
      padding: 6px 18px;
      gap: 10px;
    }

    .convert-text strong {
      font-size: 13px;
      max-width: 190px;
    }

    .convert-btn {
      padding: 0 16px;
      font-size: 13px;
      min-height: 40px;
    }

    .cta-inner {
      padding: 70px 18px;
    }

    .cta-actions {
      flex-direction: column;
      align-items: stretch;
    }

    .cta-actions .btn {
      width: 100%;
    }

    .hero-kicker {
      font-size: 13px;
      padding: 5px 10px;
    }
  }

  @media (max-width: 380px) {
    .convert-text span {
      display: none;
    }
  }