/* roulang page: index */
:root {
  --primary: #0E5C4F;
  --primary-dark: #0A4038;
  --primary-light: #1D7A6A;
  --gold: #C9A44C;
  --gold-light: #E4C878;
  --gold-deep: #A88432;
  --cream: #F7F5F0;
  --dark: #12211E;
  --dark-line: #2A3B37;
  --white: #FFFFFF;
  --ink: #1A1F1E;
  --ink-2: #4A5552;
  --muted: #84928D;
  --border: #E4E0D8;
  --light-text: #EDEDE7;
  --card-radius: 14px;
  --small-radius: 6px;
  --shadow-sm: 0 4px 14px rgba(18, 33, 30, 0.06);
  --shadow-md: 0 10px 30px rgba(18, 33, 30, 0.14);
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
}
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  display: block;
  max-width: 100%;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color .25s ease-out, background-color .25s ease-out, border-color .25s ease-out;
}
button {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  border: none;
  background: none;
  cursor: pointer;
}
ul,
ol {
  list-style: none;
}
input,
textarea,
button,
summary {
  font-family: inherit;
}
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
}
.container {
  width: min(1200px, 100% - 2.5rem);
  margin-inline: auto;
}
.section {
  padding-block: clamp(3.5rem, 7vw, 6rem);
}
.section-head {
  max-width: 860px;
  margin-bottom: 2.8rem;
}
.section-head.center {
  margin-inline: auto;
  text-align: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--primary);
  background: rgba(14, 92, 79, .08);
  padding: 5px 15px 5px 13px;
  border-radius: 999px;
  border: 1px solid rgba(14, 92, 79, .12);
}
.eyebrow::before {
  width: 21px;
  height: 1px;
  content: "";
  background: var(--gold);
}
.section-intro {
  color: var(--ink-2);
  font-size: 1.05rem;
  max-width: 820px;
  margin-top: .75rem;
}
h1,
h2,
h3,
h4 {
  line-height: 1.25;
  font-weight: 600;
}
h2 {
  font-size: clamp(1.55rem, 2.4vw, 2.1rem);
  letter-spacing: -.02em;
}
p {
  line-height: 1.85;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.site-header::after {
  content: "";
  display: block;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent 30%);
}
.header-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.2rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: .65rem;
  min-width: 0;
}
.brand-mark {
  width: 38px;
  height: 38px;
  flex: 0 0 38px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 36% 30%, var(--gold-light), var(--gold) 54%, var(--gold-deep));
  display: grid;
  place-items: center;
  color: var(--dark);
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  box-shadow: 0 0 0 1px rgba(201, 164, 76, .3);
}
.brand-text {
  font-size: 1.14rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink);
  white-space: nowrap;
}
.brand-text small {
  display: block;
  font-size: .625rem;
  font-weight: 500;
  color: var(--primary);
  letter-spacing: .28em;
  line-height: 1.4;
}
.main-nav {
  margin-left: auto;
}
.nav-list {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.nav-list a {
  position: relative;
  display: inline-block;
  padding: .55rem .9rem;
  font-size: .925rem;
  color: var(--ink-2);
  white-space: nowrap;
  background-image: linear-gradient(transparent calc(100% - 2px), var(--primary) 2px);
  background-repeat: no-repeat;
  background-size: 0 100%;
  transition: color .25s ease, background-size .25s ease;
}
.nav-list a:hover,
.nav-list a.cur {
  color: var(--primary);
  background-size: 100% 100%;
}
.nav-list a.cur::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: var(--gold);
}
.header-cta {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-left: .35rem;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 500;
  line-height: 1;
  min-height: 44px;
  padding: 0 24px;
  transition: transform .2s ease-out, box-shadow .2s ease-out, background-color .2s ease-out, color .2s ease-out, border-color .2s ease-out;
  will-change: transform;
}
.btn-ghost,
.btn-primary,
.btn-gold,
.btn-outline {
  min-height: 48px;
  padding-inline: 28px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 12px rgba(14, 92, 79, .2);
}
.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
  box-shadow: 0 10px 24px rgba(14, 92, 79, .28);
}
.btn-primary:active {
  transform: scale(.98);
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: var(--dark);
  font-weight: 600;
  box-shadow: 0 6px 18px rgba(201, 164, 76, .24);
}
.btn-gold:hover {
  background: linear-gradient(135deg, #D7B55C, #F0D482);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(201, 164, 76, .34);
}
.btn-gold:active,
.btn-primary:active {
  transform: scale(.97);
}
.btn-outline {
  border: 1px solid var(--primary);
  color: var(--primary);
  background: transparent;
}
.btn-outline:hover {
  background: rgba(14, 92, 79, .08);
  color: var(--primary-dark);
}
.btn-white-outline {
  border: 1px solid rgba(237, 237, 231, .75);
  color: var(--light-text);
  background: transparent;
}
.btn-white-outline:hover {
  background: #fff;
  color: var(--dark);
  border-color: #fff;
}
.nav-download {
  min-height: 42px;
  padding: 0 20px;
  font-size: .9rem;
  border-radius: 8px;
}
.nav-burger {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: 1.4rem;
  line-height: 1;
}
.mobile-nav-panel {
  display: none;
  background: #fff;
  border-bottom: 1px solid var(--border);
}
.mobile-nav-panel.open {
  display: block;
}
.mobile-nav-panel .mobile-mid-links a {
  display: block;
  padding: 15px 2rem;
  border-top: 1px solid #f2efe9;
  font-size: 1.1rem;
  color: var(--ink);
}
.mobile-nav-panel .mobile-mid-links a:last-child {
  border-bottom: none;
}
.mobile-nav-panel .mobile-bottom-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 0 2rem 1.5rem;
}

/* Hero */
.home-hero {
  background: var(--white);
  padding: clamp(2rem, 5vw, 4.5rem) 0 0;
}
.hero-grid {
  display: grid;
  grid-template-columns: 42% 58%;
  align-items: stretch;
  min-height: 560px;
}
.hero-visual {
  position: relative;
  min-height: 420px;
  border-radius: 22px;
  overflow: hidden;
  background-image:
    linear-gradient(180deg, rgba(18, 33, 30, 0.28), rgba(18, 33, 30, 0.62)),
    url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(18, 33, 30, .08);
}
.hero-visual::after {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -72px;
  top: -70px;
  border: 1px solid rgba(228, 200, 120, .35);
  border-radius: 50%;
  box-shadow: 0 0 0 28px rgba(228, 200, 120, .04), 0 0 0 56px rgba(228, 200, 120, .03);
}
.hero-visual-inner {
  width: 100%;
  padding: clamp(1.5rem, 4vw, 3rem);
  color: #fff;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1rem;
}
.hero-visual-year {
  font-family: var(--font-serif);
  font-size: 2.4rem;
  line-height: 1;
  letter-spacing: .06em;
}
.hero-visual-text {
  max-width: 100%;
  font-size: .875rem;
  color: rgba(237, 237, 231, .88);
  text-align: right;
  letter-spacing: .02em;
}
.hero-copy {
  padding: clamp(1.5rem, 3vw, 3rem) 0 clamp(2rem, 4vw, 4rem) clamp(1rem, 3vw, 3.8rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  padding: 7px 14px 7px 11px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--cream);
  color: var(--primary-dark);
  font-size: .8125rem;
  font-weight: 600;
}
.hero-badge .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 4px rgba(201, 164, 76, .18);
}
.hero-title {
  margin: 1rem 0 .9rem;
  font-size: clamp(1.9rem, 3.2vw + .7rem, 3.15rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -.035em;
  max-width: 12em;
}
.hero-title em {
  font-style: normal;
  color: var(--primary);
}
.hero-lead {
  max-width: 600px;
  color: var(--ink-2);
  font-size: 1.05rem;
  margin-bottom: 2rem;
  line-height: 1.85;
}
.hero-actions {
  display: flex;
  gap: .8rem;
  flex-wrap: wrap;
  align-items: center;
}
.hero-actions .arrow,
.link-arrow .arrow,
.btn .arrow {
  display: inline-block;
  transition: transform .22s ease-out;
}
.hero-actions .btn:hover .arrow,
.link-arrow:hover .arrow,
.btn:hover .arrow {
  transform: translateX(4px);
}
.device-note {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .85rem 1.6rem;
  margin-top: 1.9rem;
  color: var(--muted);
  font-size: .875rem;
  border-top: 1px solid var(--border);
  padding-top: 1.3rem;
}
.device-note span {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
}
.device-note i {
  display: inline-block;
  width: 18px;
  height: 18px;
  border-radius: 5px;
  background: rgba(14, 92, 79, .1);
  color: var(--primary);
  font-style: normal;
  font-weight: 700;
  text-align: center;
  line-height: 18px;
  font-size: .75rem;
}
.step-inline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: .75rem 2rem;
  margin-top: 1.8rem;
}
.step-inline .step-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: .75rem;
  font-size: .9rem;
  color: var(--ink-2);
}
.step-item .step-num {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--gold);
  font-weight: 700;
}
.step-item:not(:last-child)::after {
  content: "";
  position: absolute;
  right: -1.2rem;
  width: 1px;
  height: 16px;
  background: var(--border);
}
@media (min-width: 720px) and (max-width: 920px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    min-height: 300px;
    border-radius: 18px;
  }
  .hero-copy {
    padding-left: 0;
  }
}

/* Feature / value area */
.feature-section {
  background: var(--cream);
  border-bottom: 1px solid var(--border);
}
.feature-layout {
  display: grid;
  grid-template-columns: 58% 42%;
  gap: clamp(1.5rem, 4vw, 4.5rem);
  align-items: center;
}
.feature-show {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: .75rem;
  min-width: 0;
}
.feature-player {
  position: relative;
  background: var(--dark);
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}
.feature-slider {
  height: 100%;
}
.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transform: scale(1.015);
  transition: opacity .5s ease-out, transform .5s ease-out, visibility .3s;
}
.slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}
.slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(18, 33, 30, .18), transparent 45%, rgba(18, 33, 30, .4));
  pointer-events: none;
}
.slide-caption {
  position: absolute;
  left: 1.4rem;
  bottom: 1.4rem;
  color: #fff;
  z-index: 2;
}
.slide-caption .caption-index {
  font-family: var(--font-serif);
  color: var(--gold-light);
  font-size: .875rem;
}
.slide-caption p {
  font-size: 1.08rem;
  font-weight: 600;
  line-height: 1.45;
}
.player-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .8rem .4rem 0;
  gap: 1rem;
}
.slider-controls {
  display: flex;
  gap: 4px;
}
.slider-pager {
  display: flex;
  gap: 6px;
}
.pager-dot {
  width: 8px;
  height: 8px;
  border-radius: 99px;
  background: #d6d1c6;
  transition: width .25s ease, background-color .25s ease;
}
.pager-dot.cur {
  width: 26px;
  background: var(--primary);
}
.slider-arrows {
  display: flex;
  gap: 6px;
}
.slider-prev,
.slider-next {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--primary);
  font-size: .9rem;
  display: grid;
  place-items: center;
  transition: background-color .25s ease, color .25s ease, border-color .25s ease;
}
.slider-prev:hover,
.slider-next:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.value-list {
  display: flex;
  flex-direction: column;
  gap: .25rem;
}
.value-item {
  display: flex;
  gap: 1.3rem;
  border-bottom: 1px solid var(--border);
  padding: 1.28rem .8rem 1.28rem .75rem;
  transition: transform .25s ease-out, background-color .25s ease-out, border-color .25s ease-out;
  transform: translateX(0);
  cursor: default;
}
.value-item:first-child {
  padding-top: .6rem;
}
.value-item:last-child {
  border-bottom: none;
}
.value-item:hover {
  transform: translateX(5px);
  background: linear-gradient(270deg, transparent 0%, rgba(14, 92, 79, .04) 100%);
}
.value-item::before {
  content: "";
  align-self: stretch;
  width: 2px;
  background: rgba(201, 164, 76, .55);
  border-radius: 4px;
  opacity: 0;
  transition: opacity .25s ease;
}
.value-item:hover::before {
  opacity: 1;
}
.value-num {
  flex: 0 0 44px;
  color: var(--gold);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.55rem;
  line-height: 1.7;
}
.value-copy h3 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: .25rem;
}
.value-copy p {
  color: var(--ink-2);
  font-size: .95rem;
}

/* Spec / info cards */
.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.8rem;
}
.spec-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  position: relative;
  transition: box-shadow .25s ease-out, transform .25s ease-out;
}
.spec-card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-3px);
}
.spec-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 34px;
  right: 34px;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  border-radius: 3px;
}
.spec-title {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin-bottom: 1.6rem;
}
.spec-title .ico {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: rgba(14, 92, 79, .08);
  color: var(--primary);
  display: grid;
  place-items: center;
  font-size: 1.15rem;
}
.spec-title h3 {
  font-size: 1.3rem;
}
.spec-list {
  margin-top: .4rem;
}
.spec-list li {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  padding: .77rem 0;
  border-bottom: 1px dashed var(--border);
  font-size: .95rem;
}
.spec-list li:last-child {
  border-bottom: none;
}
.spec-list .l {
  color: var(--primary);
  font-weight: 600;
  flex: 0 0 auto;
}
.spec-list .v {
  color: var(--ink);
  text-align: right;
}
.spec-tip {
  display: flex;
  gap: .6rem;
  margin-top: 1.35rem;
  font-size: .875rem;
  color: var(--ink-2);
  background: var(--cream);
  padding: .7rem 1rem;
  border-radius: 8px;
}
.spec-tip .ico {
  color: var(--gold);
  font-style: normal;
}

/* testimonial */
.review-section {
  background: var(--dark);
  color: var(--light-text);
  padding-block: clamp(3.5rem, 7vw, 6rem);
}
.review-section .eyebrow {
  color: var(--gold-light);
  border-color: rgba(228, 200, 120, .25);
  background: rgba(228, 200, 120, .05);
}
.review-section .eyebrow::before {
  background: var(--gold-light);
}
.review-section .section-intro {
  color: rgba(237, 237, 231, .65);
}
.review-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.2rem;
  margin-top: 3.2rem;
}
.review-card {
  position: relative;
  padding: 1.8rem .2rem .7rem;
  border-top: 1px solid var(--dark-line);
  transition: transform .25s ease-out;
}
.review-card::before {
  content: "\201C";
  position: absolute;
  top: 3px;
  left: 10px;
  font-family: var(--font-serif);
  color: var(--gold);
  font-size: 3rem;
  line-height: 1;
}
.review-card:hover {
  transform: translateY(-5px);
}
.review-card:hover .rev-head::after {
  width: 44px;
}
.rev-head {
  display: flex;
  align-items: center;
  gap: .78rem;
  margin-top: .85rem;
}
.rev-head img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
}
.rev-head .avatar-fallback {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(145deg, #193E35, #24493F);
  color: var(--gold-light);
  font-family: var(--font-serif);
  font-weight: 700;
  display: grid;
  place-items: center;
}
.rev-id h4 {
  color: #fff;
  font-size: .975rem;
  font-weight: 600;
}
.rev-id p {
  color: rgba(237, 237, 231, .55);
  font-size: .8rem;
  line-height: 1.4;
}
.review-card p {
  color: rgba(237, 237, 231, .8);
  font-size: .98rem;
}
.review-stars {
  display: flex;
  gap: 5px;
  margin-top: 1.1rem;
}
.star {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
}
.rev-head::after {
  content: "";
  margin-left: auto;
  width: 0;
  height: 1px;
  background: var(--gold);
  transition: width .25s ease-out;
}

/* News CMS */
.news-section {
  background: #fff;
  border-top: 1px solid var(--border);
}
.news-section::before {
  content: "";
  display: block;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent 85%);
}
.news-layout-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
}
.news-more-link {
  flex: 0 0 auto;
  border-bottom: 1px solid var(--medium);
}
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
}
.news-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: .8rem .8rem 1.2rem;
  transition: transform .25s ease-out, box-shadow .25s ease-out;
}
.news-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.news-cover {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1rem;
  background: #e9f2ef;
  aspect-ratio: 1.4 / 1;
}
.news-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .45s ease-out;
}
.news-card:hover .news-cover img {
  transform: scale(1.05);
}
.news-cover .badge {
  position: absolute;
  left: .8rem;
  bottom: .8rem;
  display: inline-block;
  background: rgba(18, 33, 30, .78);
  backdrop-filter: blur(6px);
  color: #fff;
  font-size: .75rem;
  padding: 3px 10px;
  border-radius: 99px;
  border: 1px solid rgba(255, 255, 255, .18);
}
.news-card time {
  display: inline-block;
  color: var(--muted);
  font-size: .8rem;
  letter-spacing: .04em;
}
.news-card h3 {
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.45;
  margin: .4rem 0 .5rem;
}
.news-card h3 a {
  color: var(--ink);
  transition: color .2s ease-out;
}
.news-card h3 a:hover {
  color: var(--primary);
}
.news-card p {
  color: var(--ink-2);
  font-size: .9rem;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 1rem;
}
.news-empty {
  min-height: 150px;
  background: var(--cream);
  border-radius: 14px;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: .95rem;
  border: 1px solid var(--border);
}
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  color: var(--primary);
  font-weight: 600;
  font-size: .9rem;
  border-bottom: 1px solid transparent;
  transition: color .25s ease, border-color .25s ease;
}
.link-arrow:hover {
  color: var(--primary-light);
  border-color: rgba(29, 122, 106, .3);
}

/* CTA strip */
.band-cta {
  background: var(--white);
}
.cta-strip {
  border-block: 1px solid rgba(201, 164, 76, .35);
  padding: 2.5rem 0;
  text-align: center;
}
.cta-strip p {
  font-size: 1.08rem;
  color: var(--ink-2);
  max-width: 750px;
  margin-inline: auto;
}
.cta-strip p strong {
  color: var(--primary);
  font-weight: 600;
}
.cta-inline-link {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.02rem;
  color: var(--primary);
  font-weight: 700;
  margin-top: 0.8rem;
}
.cta-inline-link:after {
  content: "→";
  font-weight: 700;
  transition: transform .22s ease;
}
.cta-inline-link:hover:after {
  transform: translateX(5px);
}
.cta-inline-link:hover {
  color: var(--primary-dark);
}

/* FAQ */
.faq-section {
  background: var(--cream);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.faq-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.6fr;
  gap: 3vw;
}
.faq-left .section-intro {
  line-height: 1.8;
}
.faq-list {
  max-width: 780px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: .75rem;
  overflow: hidden;
  transition: border-color .25s ease, background-color .25s ease;
}
.faq-item[open] {
  background: #fff;
  border-color: rgba(14, 92, 79, .25);
}
.faq-item summary {
  display: flex;
  align-items: center;
  gap: .8rem;
  padding: 1.05rem 1.3rem;
  font-weight: 600;
  font-size: .98rem;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary::before {
  content: "+";
  display: block;
  min-width: 26px;
  height: 26px;
  border-radius: 50%;
  background: rgba(14, 92, 79, .09);
  color: var(--primary);
  font-weight: 600;
  text-align: center;
  font-size: 1.2rem;
  line-height: 22px;
  font-family: var(--font-serif);
  transition: transform .25s ease, background-color .25s ease, color .25s ease;
}
.faq-item[open] summary::before {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}
.faq-item .faq-answer {
  padding: 0 1.35rem 1.15rem 3.4rem;
  color: var(--ink-2);
  font-size: .95rem;
  border-top: 1px dashed var(--border);
}

/* Entrance help grid */
.help-section .help-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.help-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.9rem 1.9rem 2.1rem;
  background: #fff;
  transition: box-shadow .25s ease, transform .25s ease;
}
.help-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
}
.help-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(201, 164, 76, .22), rgba(201, 164, 76, .06));
  color: var(--gold-deep);
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  font-weight: 600;
  font-family: var(--font-serif);
  margin-bottom: 1.1rem;
}
.help-card h3 {
  font-size: 1.2rem;
  margin-bottom: .5rem;
}
.help-card p {
  color: var(--ink-2);
  font-size: .95rem;
}
.help-links {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.3rem;
}

/* Footer */
.site-footer {
  background: var(--dark);
  color: rgba(237, 237, 231, .82);
  border-top: 3px solid var(--gold);
  font-size: .9rem;
}
.footer-main {
  display: grid;
  grid-template-columns: 1.2fr .8fr .8fr 1fr;
  gap: 2.5rem;
  padding-block: 3.2rem 2.6rem;
}
.footer-brand .brand-text,
.footer-brand .brand-text small {
  color: #fff;
}
.footer-brand .brand-text small {
  color: var(--gold-light);
}
.footer-desc {
  color: rgba(237, 237, 231, .62);
  font-size: .9rem;
  margin-top: 1rem;
  max-width: 320px;
}
.footer-title {
  color: #fff;
  font-size: .95rem;
  margin-bottom: 1.1rem;
  letter-spacing: .02em;
}
.footer-title::after {
  content: "";
  display: block;
  width: 26px;
  height: 2px;
  margin-top: 10px;
  background: var(--gold);
  border-radius: 4px;
}
.footer-links li {
  padding: .24rem 0;
}
.footer-links a {
  color: rgba(237, 237, 231, .7);
  transition: color .25s ease, padding-left .25s ease;
  display: inline-block;
}
.footer-links a:hover {
  color: var(--gold-light);
  padding-left: 5px;
}
.footer-subline {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding: 1.25rem 0 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.footer-copyright {
  color: rgba(237, 237, 231, .5);
  font-size: .825rem;
  line-height: 1.6;
}

/* Media queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    min-height: 0;
  }
  .hero-visual {
    min-height: 320px;
  }
  .hero-copy {
    padding-left: 0;
  }
  .feature-layout {
    grid-template-columns: 1fr;
  }
  .review-grid {
    gap: 1.4rem;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    row-gap: 2.4rem;
  }
  .nav-download {
    display: none;
  }
}
@media (max-width: 768px) {
  .site-header {
    height: auto;
  }
  .header-inner {
    height: 60px;
  }
  .main-nav {
    display: none;
  }
  .nav-burger {
    display: inline-flex;
  }
  .nav-download {
    display: none;
  }
  .spec-grid,
  .help-grid,
  .faq-layout {
    grid-template-columns: 1fr;
  }
  .review-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .review-card {
    padding-top: 1.5rem;
  }
  .news-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .news-cover {
    aspect-ratio: 16 / 8;
  }
  .cta-strip p {
    font-size: 1rem;
  }
  .section-head {
    margin-bottom: 2rem;
  }
  .footer-main {
    grid-template-columns: 1fr;
    padding-top: 2.6rem;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .footer-subline {
    flex-direction: column;
    text-align: center;
  }
}
@media (max-width: 480px) {
  body {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .brand-text {
    font-size: 1rem;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
    flex-basis: 34px;
  }
  .hero-visual {
    min-height: 225px;
    border-radius: 14px;
  }
  .hero-title {
    font-size: clamp(1.65rem, 6vw, 2.1rem);
  }
  .value-item {
    padding-left: .2em;
  }
  .news-grid {
    margin-top: 1.5rem;
  }
  .faq-item summary,
  .faq-answer {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .faq-item .faq-answer {
    padding-left: 2.5rem;
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: article */
:root{
  --primary:#0E5C4F;
  --primary-deep:#0A4038;
  --primary-soft:#1D7A6A;
  --gold:#C9A44C;
  --gold-light:#E4C878;
  --bg-page:#FFFFFF;
  --bg-warm:#F7F5F0;
  --bg-dark:#12211E;
  --bg-dark-border:#2A3B37;
  --border:#E4E0D8;
  --border-deep:#D8D4CC;
  --text-1:#1A1F1E;
  --text-2:#4A5552;
  --text-3:#84928D;
  --text-dark:#EDEDE7;
  --shadow-sm:0 6px 18px rgba(18,33,30,0.06);
  --shadow-md:0 10px 30px rgba(18,33,30,0.12);
  --radius-sm:6px;
  --radius-md:14px;
  --radius-lg:20px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  --font-serif:"Playfair Display",Georgia,serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  font-size:1rem;
  line-height:1.75;
  color:var(--text-1);
  background:var(--bg-page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .25s ease-out, background-color .25s ease-out, border-color .25s ease-out}
a:hover{color:var(--primary-soft)}
ul,ol{list-style-position:inside}
button,input,textarea,select{font-family:inherit;font-size:inherit}
.container{
  width:100%;
  max-width:1200px;
  margin-inline:auto;
  padding-inline:clamp(1.25rem,4vw,2rem);
}
.skip-link{
  position:fixed;
  left:-999px;
  top:10px;
  z-index:10000;
  background:var(--primary);
  color:#fff;
  padding:.65rem 1.2rem;
  border-radius:var(--radius-sm);
}
.skip-link:focus{left:10px}

/* Header / Nav */
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
  min-height:68px;
}
.brand{display:flex;gap:.6rem;align-items:center;min-width:max-content}
.brand-mark{
  width:42px;
  height:42px;
  display:grid;
  place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-deep));
  color:#fff;
  font-family:var(--font-serif);
  font-size:1.05rem;
  font-weight:700;
  letter-spacing:.02em;
  border-radius:var(--radius-sm);
  box-shadow:0 4px 12px rgba(14,92,79,.16);
}
.brand-text{
  display:flex;
  flex-direction:column;
  line-height:1.1;
  color:var(--text-1);
  font-weight:700;
  font-size:1.06rem;
  letter-spacing:.01em;
}
.brand-text small{
  font-family:var(--font-serif);
  font-size:.7rem;
  font-weight:500;
  letter-spacing:.18em;
  color:var(--text-3);
  margin-top:4px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:.25rem;
  list-style:none;
  margin-left:.5rem;
}
.nav-item a{
  position:relative;
  display:inline-block;
  padding:.5rem .85rem;
  color:var(--text-2);
  font-size:.95rem;
  font-weight:500;
  white-space:nowrap;
}
.nav-item a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:.1rem;
  width:0;
  height:2px;
  background:var(--gold);
  transform:translateX(-50%);
  transition:width .25s ease-out;
}
.nav-item a:hover::after,
.nav-item a.active::after{
  width:calc(100% - 1.7rem);
}
.nav-item a.active{
  color:var(--primary);
  font-weight:600;
}
.header-right{
  display:flex;
  align-items:center;
  gap:.75rem;
  margin-left:auto;
}
.header-download a{
  font-weight:600;
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  background:transparent;
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:20px;
  height:2px;
  background:var(--text-1);
  border-radius:2px;
  transition:all .25s ease-out;
}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  height:48px;
  padding:0 1.6rem;
  border-radius:10px;
  border:1px solid transparent;
  font-size:1rem;
  font-weight:500;
  line-height:1;
  cursor:pointer;
  transition:all .25s ease-out;
}
.btn:focus-visible{
  outline:2px solid var(--gold);
  outline-offset:3px;
}
.btn-primary{
  background:var(--primary);
  color:#fff;
}
.btn-primary:hover{
  background:var(--primary-deep);
  transform:translateY(-2px);
  box-shadow:var(--shadow-md);
  color:#fff;
}
.btn-primary:active{
  transform:scale(.98);
}
.btn-gold{
  background:linear-gradient(135deg,var(--gold),var(--gold-light));
  color:#fff;
  box-shadow:0 8px 20px rgba(201,164,76,.2);
}
.btn-gold:hover{
  filter:brightness(1.04);
  transform:translateY(-2px);
  box-shadow:0 12px 28px rgba(201,164,76,.32);
  color:#fff;
}
.btn-outline{
  background:transparent;
  border-color:rgba(14,92,79,.55);
  color:var(--primary);
}
.btn-outline:hover{
  background:rgba(14,92,79,.08);
  border-color:var(--primary);
  color:var(--primary);
  transform:translateY(-1px);
}
.btn-outline-light{
  background:transparent;
  border-color:rgba(255,255,255,.65);
  color:#fff;
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.1);
  color:#fff;
  border-color:#fff;
}

/* Breadcrumb */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.45rem;
  color:var(--text-3);
  font-size:.85rem;
  margin-bottom:1.1rem;
}
.breadcrumb a{
  color:var(--text-3);
  transition:color .2s;
}
.breadcrumb a:hover{
  color:var(--primary);
}
.breadcrumb .current{
  color:var(--text-3);
  max-width:320px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.breadcrumb .sep{
  color:var(--border-deep);
  font-size:.8rem;
}

/* Article banner */
.article-banner{
  background:linear-gradient(180deg,var(--bg-warm),#fff);
  border-bottom:1px solid var(--border);
  padding:clamp(2rem,5vw,3.5rem) 0 2.2rem;
}
.article-banner-inner{
  max-width:840px;
  margin-inline:auto;
}
.article-title{
  font-size:clamp(1.5rem,2.4vw + .8rem,2.1rem);
  font-weight:600;
  line-height:1.45;
  letter-spacing:-.01em;
  color:var(--text-1);
  margin-bottom:1.2rem;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.75rem 1rem;
  color:var(--text-3);
  font-size:.875rem;
}
.article-meta time{
  display:flex;
  align-items:center;
  gap:.4rem;
}
.badge{
  display:inline-flex;
  align-items:center;
  padding:.28rem .75rem;
  border:1px solid rgba(14,92,79,.3);
  border-radius:999px;
  background:rgba(14,92,79,.06);
  color:var(--primary);
  font-size:.78rem;
  font-weight:500;
  letter-spacing:.02em;
}
.badge:hover{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}
.article-source{
  display:flex;
  align-items:center;
  gap:.4rem;
}
.article-source::before{
  content:"";
  width:3px;
  height:14px;
  border-radius:2px;
  background:var(--gold);
}

/* Article main */
.article-main{
  background:var(--bg-page);
  padding:clamp(2.4rem,6vw,4.2rem) 0 clamp(2.6rem,6vw,4.6rem);
}
.article-main-inner{
  max-width:840px;
  margin-inline:auto;
}
.article-entry{
  width:100%;
}
.article-doc{
  font-size:1.0625rem;
  line-height:1.9;
  color:var(--text-2);
}
.article-doc p{
  margin:0 0 1.4rem;
  color:var(--text-2);
}
.article-doc h2{
  font-size:1.3rem;
  font-weight:600;
  color:var(--text-1);
  margin:2.6rem 0 1rem;
  padding-top:.5rem;
}
.article-doc h2::before{
  content:attr(data-number);
}
.article-doc h3{
  font-size:1.1rem;
  font-weight:600;
  color:var(--text-1);
  margin:2rem 0 .85rem;
}
.article-doc a{
  color:var(--primary);
  text-decoration:underline;
  text-decoration-color:rgba(14,92,79,.25);
  text-underline-offset:4px;
}
.article-doc a:hover{
  text-decoration-color:var(--gold);
}
.article-doc ul,.article-doc ol{
  margin:0 0 1.4rem;
  padding-left:1.2rem;
}
.article-doc li{
  margin-bottom:.45rem;
}
.article-doc img{
  border-radius:var(--radius-md);
  margin:1.8rem 0;
}
.article-doc figure{
  margin:1.8rem 0;
}
.article-doc figure img{
  margin:0;
}
.article-doc figcaption{
  text-align:center;
  color:var(--text-3);
  font-size:.8rem;
  margin-top:.6rem;
}
.article-doc blockquote{
  margin:1.8rem 0;
  padding:1.1rem 1.4rem;
  border-left:3px solid var(--gold);
  background:var(--bg-warm);
  color:var(--text-2);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
}
.article-doc blockquote p{
  margin-bottom:0;
}
.article-doc code{
  background:#f0efe9;
  padding:.2rem .5rem;
  border-radius:6px;
  font-size:.9em;
  color:var(--primary-deep);
}
.article-doc pre{
  background:var(--bg-dark);
  color:var(--text-dark);
  padding:1.2rem 1.4rem;
  border-radius:var(--radius-md);
  overflow-x:auto;
  margin:1.5rem 0;
}
.article-doc pre code{
  background:transparent;
  color:inherit;
  padding:0;
}
.article-doc table{
  width:100%;
  border-collapse:collapse;
  margin:1.5rem 0;
}
.article-doc th,
.article-doc td{
  border-bottom:1px solid var(--border);
  padding:.8rem .6rem;
  text-align:left;
  font-size:.95rem;
}
.article-doc th{
  background:var(--bg-warm);
  font-weight:600;
  color:var(--text-1);
}

/* Article tags */
.article-footer-line{
  margin-top:2.8rem;
  padding-top:1.8rem;
  border-top:1px solid var(--border);
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.5rem;
  margin-bottom:1.6rem;
}
.tag-label{
  color:var(--text-3);
  font-size:.875rem;
  margin-right:.25rem;
}
.tag{
  display:inline-flex;
  align-items:center;
  padding:.3rem .8rem;
  border-radius:999px;
  border:1px solid var(--border-deep);
  background:var(--bg-warm);
  color:var(--text-2);
  font-size:.8rem;
  transition:all .2s ease-out;
}
.tag:hover{
  background:var(--primary);
  border-color:var(--primary);
  color:#fff;
}
.article-pager{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1rem;
}
.pager-card a{
  display:flex;
  flex-direction:column;
  gap:.2rem;
  height:100%;
  background:var(--bg-warm);
  border:1px solid transparent;
  border-radius:var(--radius-md);
  padding:1rem 1.2rem;
  transition:border-color .2s ease-out, background-color .2s ease-out;
}
.pager-card a:hover{
  border-color:var(--gold);
  background:#fff;
}
.pager-card span{
  font-size:.8rem;
  color:var(--text-3);
}
.pager-card strong{
  font-size:.95rem;
  font-weight:600;
  color:var(--text-1);
}
.pager-next{
  text-align:right;
}

/* Related area */
.related-area{
  background:var(--bg-warm);
  border-top:1px solid var(--border);
  padding:clamp(2.8rem,6vw,4.5rem) 0;
}
.section-heading{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:1.5rem;
  margin-bottom:2rem;
}
.section-heading h2{
  font-size:clamp(1.4rem,2vw,1.8rem);
  font-weight:600;
  color:var(--text-1);
  letter-spacing:-.01em;
}
.section-heading a.link-arrow{
  color:var(--primary);
  font-weight:500;
  font-size:.9rem;
  white-space:nowrap;
}
.section-heading a.link-arrow span{
  display:inline-block;
  transition:transform .25s ease-out;
}
.section-heading a.link-arrow:hover span{
  transform:translateX(4px);
}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:1.4rem;
}
.related-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease-out,box-shadow .25s ease-out, border-color .25s ease-out;
}
.related-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
  border-color:rgba(14,92,79,.2);
}
.related-thumb{
  display:block;
  aspect-ratio:16/9;
  overflow:hidden;
  background:var(--bg-warm);
}
.related-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .4s ease-out;
}
.related-card:hover .related-thumb img{
  transform:scale(1.03);
}
.related-body{
  display:flex;
  flex-direction:column;
  gap:.6rem;
  padding:1.2rem 1.3rem 1.35rem;
  flex:1;
}
.related-body h3{
  font-size:1rem;
  font-weight:600;
  line-height:1.6;
  color:var(--text-1);
}
.related-body h3 a{
  color:inherit;
}
.related-body h3 a:hover{
  color:var(--primary);
}
.related-body p{
  font-size:.875rem;
  color:var(--text-3);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  margin-bottom:.2rem;
}
.related-meta{
  margin-top:auto;
  font-size:.8rem;
  color:var(--text-3);
}

/* CTA panel */
.cta-section{
  padding:clamp(2.6rem,6vw,4.5rem) 0;
  background:var(--bg-page);
}
.cta-panel{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  padding:clamp(2.2rem,5vw,4rem) clamp(1.4rem,4vw,3.5rem);
  background:linear-gradient(105deg,rgba(18,33,30,.92) 10%,rgba(18,33,30,.7) 60%,rgba(14,92,79,.8) 100%),url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  color:var(--text-dark);
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:2rem;
}
.cta-copy{
  max-width:600px;
}
.cta-copy h2{
  font-size:clamp(1.3rem,2vw + .5rem,1.9rem);
  font-weight:600;
  color:#fff;
  margin-bottom:.8rem;
}
.cta-copy p{
  color:rgba(237,237,231,.85);
  font-size:.95rem;
  line-height:1.8;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:.9rem;
}
.cta-actions .btn-gold{
  min-width:190px;
}
.fade-up{
  animation:fadeUp .45s ease-out both;
}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(12px)}
  to{opacity:1;transform:translateY(0)}
}

/* Not found */
.empty-wrap{
  min-height:46vh;
  display:flex;
  align-items:center;
  justify-content:center;
}
.empty-card{
  max-width:520px;
  text-align:center;
  background:var(--bg-warm);
  background:#f7f5f0;
  border-radius:var(--radius-md);
  padding:2.8rem 2rem;
  width:100%;
}
.empty-card h1{
  font-size:1.5rem;
  color:var(--text-1);
  margin-bottom:1rem;
}
.empty-card p{
  color:var(--text-3);
  margin-bottom:1.4rem;
}

/* Footer */
.site-footer{
  background:var(--bg-dark);
  border-top:3px solid var(--gold);
  color:var(--text-dark);
  padding-top:clamp(2.8rem,6vw,4.2rem);
}
.site-footer .brand .brand-text{
  color:#fff;
}
.site-footer .brand .brand-text small{
  color:rgba(237,237,231,.6);
}
.site-footer .brand-mark{
  background:linear-gradient(135deg,var(--gold),var(--gold-light));
  color:var(--bg-dark);
  box-shadow:0 4px 14px rgba(201,164,76,.2);
}
.footer-main{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:clamp(1.5rem,4vw,3rem);
  padding-bottom:clamp(1.8rem,4vw,2.8rem);
  border-bottom:1px solid var(--bg-dark-border);
}
.footer-brand .brand{
  margin-bottom:1.1rem;
}
.footer-desc{
  color:rgba(237,237,231,.68);
  font-size:.9rem;
  line-height:1.88;
  max-width:330px;
}
.footer-title{
  font-size:.95rem;
  font-weight:600;
  color:#fff;
  letter-spacing:.04em;
  margin-bottom:1rem;
}
.footer-links{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:.65rem;
}
.footer-links li{
  line-height:1.5;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  color:rgba(237,237,231,.68);
  font-size:.875rem;
  transition:color .22s ease-out;
}
.footer-links a:hover{
  color:var(--gold);
}
.footer-subline{
  display:flex;
  flex-wrap:wrap;
  gap:.75rem;
  justify-content:space-between;
  padding:1.4rem 0 1.8rem;
}
.footer-copyright{
  color:rgba(237,237,231,.52);
  font-size:.8rem;
  letter-spacing:.02em;
}

/* Responsive */
@media(max-width:1024px){
  .footer-main{
    grid-template-columns:1fr 1fr;
  }
  .related-grid{
    grid-template-columns:1fr 1fr;
  }
}
@media(max-width:768px){
  .main-nav,
  .header-right{
    display:none;
  }
  .nav-toggle{
    display:inline-flex;
    margin-left:auto;
  }
  .nav-mobile{
    display:block;
    position:absolute;
    top:100%;
    left:0;
    right:0;
    background:#fff;
    border-bottom:1px solid var(--border);
    box-shadow:0 16px 28px rgba(18,33,30,.08);
    padding:1rem 1.25rem 1.35rem;
    max-height:calc(100vh - 70px);
    overflow-y:auto;
  }
  .nav-mobile .main-nav{
    display:flex;
    flex-direction:column;
    align-items:stretch;
    margin:0;
    gap:.2rem;
  }
  .nav-mobile .nav-item{
    width:100%;
  }
  .nav-mobile .nav-item a{
    display:block;
    padding:1rem .6rem;
    border-bottom:1px solid var(--bg-warm);
    font-size:1.1rem;
  }
  .nav-mobile .nav-item a::after{
    display:none;
  }
  .nav-mobile .header-right{
    display:flex;
    margin:1rem 0 0;
  }
  .nav-mobile .header-right .btn{
    width:100%;
  }
  .article-banner-inner,
  .article-main-inner{
    max-width:100%;
  }
  .article-title{
    word-break:break-word;
  }
  .article-pager{
    grid-template-columns:1fr;
  }
  .pager-next{
    text-align:left;
  }
  .related-grid{
    grid-template-columns:1fr;
  }
  .cta-panel{
    background:linear-gradient(160deg,rgba(18,33,30,.94) 20%,rgba(18,33,30,.76)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  }
  .cta-actions .btn{
    width:100%;
  }
  .footer-main{
    grid-template-columns:1fr;
    gap:2rem;
  }
  .footer-brand{
    grid-column:1;
  }
  .footer-desc{
    max-width:100%;
  }
}
@media(max-width:480px){
  body{
    font-size:.95rem;
  }
  .brand-text{
    font-size:.96rem;
  }
  .brand-mark{
    width:38px;
    height:38px;
  }
  .article-meta{
    gap:.5rem;
  }
  .article-doc{
    font-size:.96rem;
  }
  .article-doc h2{
    font-size:1.16rem;
  }
  .section-heading{
    flex-direction:column;
    align-items:flex-start;
    gap:.6rem;
  }
  .related-body p{
    -webkit-line-clamp:3;
  }
}
@media(prefers-reduced-motion:reduce){
  *{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  html{
    scroll-behavior:auto;
  }
}

/* roulang page: category1 */
/* ========== Design Tokens ========== */
:root {
  --color-primary: #0E5C4F;
  --color-primary-dark: #0A4038;
  --color-primary-light: #1D7A6A;
  --color-gold: #C9A44C;
  --color-gold-light: #E4C878;
  --gradient-gold: linear-gradient(135deg, #C9A44C, #E4C878);
  --color-bg: #FFFFFF;
  --color-bg-soft: #F7F5F0;
  --color-dark: #12211E;
  --color-dark-border: #2A3B37;
  --color-border: #E4E0D8;
  --color-text: #1A1F1E;
  --color-text-sub: #4A5552;
  --color-text-weak: #84928D;
  --color-text-darkbg: #EDEDE7;
  --font-sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, sans-serif;
  --font-serif: "Playfair Display", Georgia, "Times New Roman", serif;
  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow-sm: 0 4px 14px rgba(18, 33, 30, 0.08);
  --shadow-lg: 0 10px 30px rgba(18, 33, 30, 0.14);
  --nav-h: 64px;
  --container: 1200px;
  --space-section: clamp(3.5rem, 7vw, 6.5rem);
  --transition: all 0.25s ease-out;
}

/* ========== Base Reset ========== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 20px);
}
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.85;
  font-size: 1rem;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img {
  max-width: 100%;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
}
ul, ol {
  list-style: none;
}
button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
}
section {
  scroll-margin-top: 80px;
}
::selection {
  background: rgba(201, 164, 76, 0.25);
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  height: 48px;
  padding: 0 28px;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  white-space: nowrap;
}
.btn .arrow {
  transition: transform 0.25s ease-out;
}
.btn:hover .arrow {
  transform: translateX(4px);
}
.btn-gold {
  background: var(--gradient-gold);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.2);
  box-shadow: 0 6px 18px rgba(201,164,76,0.26);
}
.btn-gold:hover {
  filter: brightness(1.05);
  transform: translateY(-2px);
  box-shadow: 0 10px 26px rgba(201,164,76,0.34);
}
.btn-gold:active {
  transform: scale(0.98);
}
.btn-outline-light {
  border: 1px solid rgba(237,237,231,0.7);
  color: var(--color-text-darkbg);
  background: transparent;
}
.btn-outline-light:hover {
  background: rgba(237,237,231,0.12);
  border-color: #fff;
  transform: translateY(-2px);
}
.btn-outline {
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  background: transparent;
}
.btn-outline:hover {
  background: rgba(14,92,79,0.08);
  border-color: var(--color-primary);
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border: 1px solid var(--color-primary);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(14,92,79,0.25);
}
.btn-primary:active {
  transform: scale(0.98);
}
.btn-sm {
  height: 42px;
  padding: 0 18px;
  font-size: 0.925rem;
  border-radius: 8px;
}
.btn:focus-visible,
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

/* ========== Badges / Pills ========== */
.pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  line-height: 1.6;
}
.pill-gold {
  background: rgba(201,164,76,0.12);
  color: #a17e2f;
  border: 1px solid rgba(201,164,76,0.35);
}
.pill-green {
  background: rgba(14,92,79,0.08);
  color: var(--color-primary);
  border: 1px solid rgba(14,92,79,0.2);
}
.pill-light {
  background: rgba(255,255,255,0.08);
  color: var(--color-text-darkbg);
  border: 1px solid rgba(255,255,255,0.12);
}

/* ========== Header & Nav ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-h);
  background: rgba(255,255,255,0.94);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  z-index: 100;
}
.header-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  flex-shrink: 0;
}
.brand a {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
}
.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-dark);
  color: var(--color-gold);
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0.02em;
  border: 1px solid rgba(201,164,76,0.5);
}
.brand-text {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  display: flex;
  flex-direction: column;
}
.brand-text small {
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--color-text-weak);
  line-height: 1.2;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.main-nav a {
  position: relative;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text-sub);
  padding: 0.4rem 0;
  transition: color 0.25s;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 100%;
  height: 2px;
  background: var(--gradient-gold);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.28s ease-out;
}
.main-nav a:hover {
  color: var(--color-primary);
}
.main-nav a:hover::after {
  transform: scaleX(1);
}
.main-nav a.active {
  color: var(--color-primary);
  font-weight: 600;
}
.main-nav a.active::after {
  transform: scaleX(1);
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: #fff;
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
  position: relative;
}
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}
.nav-toggle span::before {
  top: -6px;
}
.nav-toggle span::after {
  top: 6px;
}
.nav-open .nav-toggle span {
  background: transparent;
}
.nav-open .nav-toggle span::before {
  top: 0;
  transform: rotate(45deg);
}
.nav-open .nav-toggle span::after {
  top: 0;
  transform: rotate(-45deg);
}

/* ========== Hero ========== */
.category-hero {
  margin-top: var(--nav-h);
  position: relative;
  background: var(--color-dark);
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
}
.category-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
}
.category-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(18,33,30,0.92) 10%, rgba(18,33,30,0.58) 60%, rgba(18,33,30,0.72) 100%);
}
.category-hero .container {
  position: relative;
  z-index: 2;
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
  width: 100%;
}
.hero-breadcrumb {
  font-size: 0.875rem;
  color: rgba(237,237,231,0.72);
  margin-bottom: 1.5rem;
  letter-spacing: 0.04em;
}
.hero-breadcrumb a {
  color: var(--color-gold-light);
  transition: var(--transition);
}
.hero-breadcrumb a:hover {
  color: #fff;
}
.category-hero h1 {
  font-size: clamp(1.9rem, 2.8vw + 1rem, 3rem);
  font-weight: 700;
  line-height: 1.25;
  color: #fff;
  letter-spacing: 0.01em;
  max-width: 820px;
}
.category-hero h1 .text-gold {
  color: var(--color-gold-light);
  font-weight: 600;
}
.hero-desc {
  margin-top: 1.2rem;
  font-size: 1rem;
  color: rgba(237,237,231,0.86);
  max-width: 620px;
  line-height: 1.9;
}
.hero-actions {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}
.hero-meta {
  margin-top: 2.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1.8rem;
  border-top: 1px solid rgba(237,237,231,0.16);
  padding-top: 1.5rem;
  max-width: 720px;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.hero-meta-item .num {
  font-family: var(--font-serif);
  color: var(--color-gold-light);
  font-size: 1.75rem;
  font-weight: 600;
  line-height: 1.2;
}
.hero-meta-item .lbl {
  font-size: 0.8rem;
  color: rgba(237,237,231,0.72);
  letter-spacing: 0.06em;
}

/* ========== Global Section Heading ========== */
.section-block {
  padding: var(--space-section) 0;
}
.section-head {
  margin-bottom: 2.75rem;
}
.section-eyebrow {
  display: inline-block;
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.85rem;
  padding-left: 0.9rem;
  position: relative;
}
.section-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 4px;
  height: 1em;
  border-radius: 2px;
  background: var(--gradient-gold);
}
.section-head h2 {
  font-size: clamp(1.5rem, 1.5vw + 1rem, 2.05rem);
  font-weight: 600;
  line-height: 1.3;
  letter-spacing: 0.01em;
}
.section-head p {
  margin-top: 0.7rem;
  color: var(--color-text-sub);
  font-size: 1rem;
  max-width: 720px;
}

/* ========== Layout: content + sidebar ========== */
.category-layout {
  padding-top: clamp(3rem, 6vw, 5rem);
  padding-bottom: clamp(3rem, 6vw, 5rem);
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(280px, 1fr);
  gap: 2.5rem;
  align-items: start;
}
.sticky-col {
  position: sticky;
  top: calc(var(--nav-h) + 20px);
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 1025px) {
  .sticky-col {
    display: block;
  }
  .side-card + .side-card {
    margin-top: 1.5rem;
  }
}

/* ========== Feature Split ========== */
.feature-split {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  border-radius: var(--radius-lg);
  background: var(--color-bg-soft);
  overflow: hidden;
}
.feature-split-visual {
  position: relative;
  min-height: 320px;
}
.feature-split-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.feature-split-body {
  padding: 2.25rem 2rem;
}
.feature-split-body h2 {
  font-size: 1.45rem;
  line-height: 1.45;
  font-weight: 600;
}
.feature-list {
  margin-top: 1.5rem;
  display: grid;
  gap: 1.15rem;
}
.feature-item {
  display: grid;
  grid-template-columns: 32px 1fr;
  gap: 0.85rem;
}
.feature-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-family: var(--font-serif);
  color: var(--color-gold);
  border: 1px solid rgba(201,164,76,0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  font-weight: 600;
  background: rgba(201,164,76,0.06);
}
.feature-item h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.6;
}
.feature-item p {
  font-size: 0.9rem;
  color: var(--color-text-sub);
  line-height: 1.7;
}

/* ========== Scenario Grid ========== */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}
.scenario-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.8rem 1.5rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.scenario-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 0%;
  background: var(--color-gold);
  transition: height 0.3s ease-out;
}
.scenario-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.scenario-card:hover::before {
  height: 100%;
}
.scenario-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(14,92,79,0.08);
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.scenario-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
}
.scenario-card p {
  font-size: 0.92rem;
  color: var(--color-text-sub);
  line-height: 1.7;
  margin-top: 0.4rem;
}

/* ========== Steps ========== */
.steps-wrap {
  padding: 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: #fff;
}
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
  margin-top: 0.5rem;
}
.step-item {
  position: relative;
}
.step-item:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 20px;
  right: -0.95rem;
  width: 0.9rem;
  height: 1px;
  background: var(--color-border);
}
.step-index {
  font-family: var(--font-serif);
  color: var(--color-gold);
  font-size: 2.2rem;
  font-weight: 700;
  line-height: 1;
  opacity: 0.9;
}
.step-item h3 {
  margin-top: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
}
.step-item p {
  margin-top: 0.35rem;
  font-size: 0.875rem;
  color: var(--color-text-sub);
  line-height: 1.75;
}

/* ========== Resource Cards ========== */
.resource-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}
.resource-card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.resource-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.resource-thumb {
  height: 132px;
  overflow: hidden;
  background: var(--color-bg-soft);
}
.resource-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease-out;
}
.resource-card:hover .resource-thumb img {
  transform: scale(1.04);
}
.resource-body {
  padding: 1.25rem 1.25rem 1.45rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
}
.resource-body h3 {
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
}
.resource-body p {
  font-size: 0.875rem;
  color: var(--color-text-sub);
  line-height: 1.7;
  flex: 1;
}
.resource-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  border-top: 1px dashed var(--color-border);
  padding-top: 0.8rem;
}
.resource-link {
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: var(--transition);
}
.resource-link:hover {
  gap: 0.55rem;
  color: var(--color-gold);
}

/* ========== Sidebar ========== */
.side-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: #fff;
  overflow: hidden;
}
.side-card-header {
  padding: 1.1rem 1.4rem;
  background: var(--color-bg-soft);
  border-bottom: 1px solid var(--color-border);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
}
.side-card-body {
  padding: 1.4rem;
}
.side-download-media {
  border-radius: 10px;
  overflow: hidden;
  margin-bottom: 1rem;
}
.side-download-media img {
  width: 100%;
  height: 120px;
  object-fit: cover;
}
.side-list {
  display: grid;
  gap: 0.8rem;
}
.side-list li {
  display: flex;
  gap: 0.6rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-sub);
  align-items: flex-start;
}
.side-list li::before {
  content: "·";
  color: var(--color-gold);
  font-weight: 700;
  font-size: 1.4rem;
  line-height: 1;
}
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}
.tag-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.8rem;
  color: var(--color-primary);
  border: 1px solid rgba(14,92,79,0.3);
  padding: 5px 14px;
  border-radius: 999px;
  transition: var(--transition);
  line-height: 1.5;
}
.tag-link:hover {
  background: var(--color-primary);
  color: #fff;
}
.side-tip {
  margin-top: 1.2rem;
  padding: 1rem;
  border-radius: 10px;
  background: var(--color-bg-soft);
  font-size: 0.85rem;
  color: var(--color-text-sub);
  line-height: 1.75;
}
.side-tip strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* ========== FAQ ========== */
.faq-section {
  background: var(--color-bg-soft);
  padding: var(--space-section) 0;
}
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item[open] {
  border-color: rgba(14,92,79,0.3);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.6;
  padding: 1.15rem 3.2rem 1.15rem 1.5rem;
  list-style: none;
  position: relative;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--color-primary);
}
.faq-item summary::after {
  content: "";
  position: absolute;
  top: 1.3rem;
  right: 1.3rem;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--color-gold);
  border-bottom: 2px solid var(--color-gold);
  transform: rotate(45deg);
  transition: transform 0.25s ease-out;
}
.faq-item[open] summary::after {
  transform: rotate(225deg);
  top: 1.55rem;
}
.faq-answer {
  padding: 0 1.5rem 1.3rem;
  color: var(--color-text-sub);
  font-size: 0.95rem;
  line-height: 1.85;
}
.faq-answer a {
  color: var(--color-primary);
  font-weight: 500;
  border-bottom: 1px solid rgba(14,92,79,0.3);
}

/* ========== CTA ========== */
.cta-section {
  padding: var(--space-section) 0;
  background: #fff;
}
.cta-panel {
  border-radius: var(--radius-lg);
  background: var(--color-dark);
  padding: clamp(2.5rem, 5vw, 4.5rem) clamp(1.5rem, 4vw, 4.5rem);
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, rgba(18,33,30,0.94), rgba(18,33,30,0.72));
}
.cta-panel .container-inner {
  position: relative;
  z-index: 2;
}
.cta-panel h2 {
  color: #fff;
  font-size: clamp(1.5rem, 2vw + 0.6rem, 2.3rem);
  line-height: 1.4;
  font-weight: 600;
}
.cta-panel p {
  color: rgba(237,237,231,0.8);
  margin: 0.8rem auto 2rem;
  max-width: 620px;
  font-size: 0.95rem;
  line-height: 1.85;
}
.cta-btns {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--color-dark);
  border-top: 3px solid var(--color-gold);
  padding: 4rem 0 0;
  color: rgba(237,237,231,0.82);
}
.footer-main {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.9fr 0.9fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .brand {
  margin-bottom: 1rem;
}
.footer-brand .brand-text {
  color: #fff;
}
.footer-brand .brand-text small {
  color: rgba(237,237,231,0.55);
}
.footer-brand .brand-mark {
  background: rgba(255,255,255,0.08);
  color: var(--color-gold-light);
}
.footer-desc {
  font-size: 0.875rem;
  line-height: 1.85;
  color: rgba(237,237,231,0.62);
  max-width: 360px;
}
.footer-title {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 1.1rem;
}
.footer-links {
  display: grid;
  gap: 0.55rem;
}
.footer-links a {
  font-size: 0.875rem;
  color: rgba(237,237,231,0.68);
  transition: color 0.22s;
  line-height: 1.6;
}
.footer-links a:hover {
  color: var(--color-gold-light);
}
.footer-subline {
  padding: 1.6rem 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.footer-subline div {
  font-size: 0.8125rem;
  color: rgba(237,237,231,0.5);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .scenario-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1.5rem;
  }
  .step-item:nth-child(2)::after {
    display: none;
  }
  .footer-main {
    grid-template-columns: 1fr 1fr;
    gap: 2rem 1.5rem;
  }
}

@media (max-width: 860px) {
  .main-nav {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0;
    width: 100%;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 0.75rem 1.5rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
  }
  .nav-open .main-nav {
    display: flex;
  }
  .main-nav a {
    padding: 0.85rem 0.25rem;
    border-bottom: 1px solid var(--color-bg-soft);
  }
  .main-nav a:last-child {
    border-bottom: 0;
  }
  .nav-cta {
    margin-left: auto;
  }
  .nav-toggle {
    display: inline-flex;
  }
  .category-layout {
    grid-template-columns: 1fr;
  }
  .feature-split {
    grid-template-columns: 1fr;
  }
  .feature-split-visual {
    min-height: 230px;
  }
  .sticky-col {
    position: relative;
    top: auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    align-items: stretch;
  }
  .side-card {
    width: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .header-inner {
    gap: 1rem;
  }
  .category-hero {
    min-height: 400px;
  }
  .category-hero h1 {
    font-size: clamp(1.6rem, 5vw + 0.6rem, 2.4rem);
  }
  .hero-meta {
    gap: 1.2rem;
  }
  .section-block {
    padding: 3.5rem 0;
  }
  .scenario-grid {
    grid-template-columns: 1fr;
  }
  .category-layout {
    padding-top: 2.5rem;
  }
  .resource-grid {
    grid-template-columns: 1fr;
  }
  .steps-wrap {
    padding: 1.6rem;
  }
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 1.6rem;
  }
  .step-item:not(:last-child)::after {
    display: none;
  }
  .footer-main {
    grid-template-columns: 1fr;
  }
  .sticky-col {
    grid-template-columns: 1fr;
  }
  .footer-subline {
    flex-direction: column;
    align-items: flex-start;
  }
  .cta-btns {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    max-width: 360px;
  }
  .cta-panel .btn {
    width: auto;
  }
}

@media (max-width: 520px) {
  body {
    font-size: 0.95rem;
  }
  .container,
  .header-inner {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }
  .brand-text {
    font-size: 1rem;
  }
  .brand-mark {
    width: 32px;
    height: 32px;
  }
  .nav-cta .btn {
    display: none;
  }
  .category-hero .container {
    padding-top: 2.6rem;
    padding-bottom: 2.6rem;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    max-width: 100%;
  }
  .cta-btns {
    flex-direction: column;
  }
  .cta-btns .btn {
    width: 100%;
    max-width: 100%;
  }
  .faq-item summary {
    padding: 1rem 3rem 1rem 1.1rem;
    font-size: 0.92rem;
  }
  .faq-answer {
    padding: 0 1.1rem 1.1rem;
    font-size: 0.875rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.01s !important;
    scroll-behavior: auto !important;
  }
}

/* roulang page: category2 */
:root {
        --primary: #0E5C4F;
        --primary-dark: #0A4038;
        --primary-light: #1D7A6A;
        --gold: #C9A44C;
        --gold-light: #E4C878;
        --ink: #1A1F1E;
        --body: #4A5552;
        --muted: #84928D;
        --cream: #F7F5F0;
        --deep: #12211E;
        --deep-line: #2A3B37;
        --line: #E4E0D8;
        --white: #FFFFFF;
        --shadow-sm: 0 2px 8px rgba(18, 33, 30, 0.06);
        --shadow-md: 0 10px 30px rgba(18, 33, 30, 0.10);
        --shadow-lg: 0 22px 46px rgba(18, 33, 30, 0.14);
        --radius-sm: 6px;
        --radius: 14px;
        --radius-lg: 20px;
        --container: 1200px;
        --serif: "Playfair Display", "Songti SC", "Times New Roman", Georgia, serif;
        --sans: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Source Han Sans SC", system-ui, -apple-system, sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--sans);
        font-size: 1rem;
        line-height: 1.85;
        color: var(--body);
        background: var(--white);
        -webkit-font-smoothing: antialiased;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color .25s ease-out;
    }

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

    button,
    input,
    textarea {
        font: inherit;
        color: inherit;
    }

    ul,
    li {
        list-style: none;
    }

    .container {
        max-width: var(--container);
        margin-left: auto;
        margin-right: auto;
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .section {
        padding: clamp(3.5rem, 7vw, 6.5rem) 0;
    }

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

    .section-gold-line {
        border-top: 1px solid rgba(201, 164, 76, .3);
    }

    .hidden {
        display: none !important;
    }

    /* 按钮体系 */
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: .5rem;
        min-height: 48px;
        padding: 0 1.75rem;
        border: 0;
        border-radius: 10px;
        font-size: 1rem;
        font-weight: 600;
        white-space: nowrap;
        transition: transform .25s ease-out, box-shadow .25s ease-out, background .25s ease-out, opacity .25s ease-out;
        cursor: pointer;
    }

    .btn:focus-visible {
        outline: 2px solid var(--gold);
        outline-offset: 2px;
    }

    .btn-gold {
        background: linear-gradient(135deg, var(--gold), var(--gold-light));
        color: #1A1F1E;
        box-shadow: 0 8px 20px rgba(201, 164, 76, .24);
    }

    .btn-gold:hover {
        box-shadow: 0 12px 26px rgba(201, 164, 76, .34);
        transform: translateY(-2px);
        color: #1A1F1E;
    }

    .btn-gold:active {
        transform: scale(.98);
    }

    .btn-primary {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 6px 18px rgba(14, 92, 79, .16);
    }

    .btn-primary:hover {
        background: var(--primary-dark);
        color: #fff;
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .btn-outline {
        border: 1px solid rgba(255, 255, 255, .8);
        background: transparent;
        color: #fff;
    }

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

    .btn-block {
        width: 100%;
    }

    /* Header 导航 */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255, 255, 255, .95);
        border-bottom: 1px solid var(--line);
        backdrop-filter: blur(12px);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1.5rem;
        min-height: 72px;
    }

    .brand {
        display: flex;
        align-items: center;
        gap: .7rem;
        flex-shrink: 0;
    }

    .brand-mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 46px;
        height: 46px;
        border-radius: 14px;
        background: var(--primary);
        color: #fff;
        font-family: var(--serif);
        font-weight: 700;
        font-size: 1.3rem;
        letter-spacing: -.02em;
        box-shadow: 0 6px 16px rgba(14, 92, 79, .22);
    }

    .brand-text {
        font-size: 1.04rem;
        font-weight: 700;
        color: var(--ink);
        line-height: 1.2;
    }

    .brand-text small {
        display: block;
        font-size: .62rem;
        font-weight: 500;
        letter-spacing: .24em;
        color: var(--muted);
        margin-top: 2px;
    }

    .header-right {
        display: flex;
        align-items: center;
        gap: 1.25rem;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: .25rem;
    }

    .nav-link {
        position: relative;
        display: inline-flex;
        align-items: center;
        min-height: 44px;
        padding: 0 .9rem;
        color: var(--body);
        font-size: .975rem;
        font-weight: 500;
        background: transparent;
    }

    .nav-link::after {
        content: "";
        position: absolute;
        left: 50%;
        bottom: 8px;
        width: 0;
        height: 2px;
        background: var(--gold);
        transform: translateX(-50%);
        transition: width .25s ease-out;
    }

    .nav-link:hover {
        color: var(--primary);
    }

    .nav-link:hover::after {
        width: 60%;
    }

    .nav-link.active {
        color: var(--primary);
        font-weight: 600;
    }

    .nav-link.active::after {
        width: 60%;
        background: var(--gold);
    }

    .nav-btn-area {
        margin-left: .4rem;
    }

    .nav-cta {
        min-height: 42px;
        padding: 0 1.2rem;
        font-size: .95rem;
        margin-left: .5rem;
    }

    .nav-toggle {
        display: none;
        width: 44px;
        height: 44px;
        border: 1px solid var(--line);
        border-radius: 10px;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        cursor: pointer;
    }

    .nav-toggle span {
        width: 18px;
        height: 2px;
        background: var(--ink);
        transition: transform .25s ease-out, opacity .25s ease-out;
    }

    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
        transform: scaleX(.4);
    }

    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Hero */
    .page-hero {
        position: relative;
        display: flex;
        align-items: center;
        min-height: 380px;
        padding: 5.5rem 0;
        color: #fff;
        background:
            linear-gradient(104deg, rgba(18, 33, 30, .92) 8%, rgba(18, 33, 30, .55) 66%, rgba(18, 33, 30, .28)),
            url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }

    .page-hero .breadcrumb-line {
        display: flex;
        align-items: center;
        gap: .5rem;
        font-size: .875rem;
        color: rgba(255, 255, 255, .72);
        margin-bottom: 1.2rem;
    }

    .breadcrumb-line a {
        color: rgba(255, 255, 255, .92);
    }

    .breadcrumb-line a:hover {
        color: var(--gold-light);
    }

    .breadcrumb-line .sep {
        opacity: .55;
    }

    .breadcrumb-line .current {
        color: var(--gold-light);
    }

    .page-hero h1 {
        max-width: 840px;
        font-size: clamp(1.9rem, 3vw + 1rem, 3.4rem);
        line-height: 1.2;
        font-weight: 700;
        color: #fff;
        letter-spacing: -.02em;
        margin-bottom: 1.1rem;
    }

    .page-hero h1 span {
        color: var(--gold-light);
    }

    .page-hero .hero-text {
        max-width: 660px;
        font-size: 1.08rem;
        line-height: 1.9;
        color: rgba(255, 255, 255, .84);
        margin-bottom: 2rem;
    }

    .hero-btns {
        display: flex;
        flex-wrap: wrap;
        gap: .8rem;
    }

    /* 数据带 */
    .stats-band {
        border-bottom: 1px solid var(--line);
        background: var(--white);
        position: relative;
    }

    .stats-band .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 1.5rem;
        padding: 2.2rem 0;
    }

    .stat-cell {
        padding-left: 1.4rem;
        border-left: 1px solid rgba(201, 164, 76, .38);
    }

    .stat-cell:first-child {
        padding-left: 0;
        border-left: 0;
    }

    .stat-number {
        display: flex;
        align-items: baseline;
        font-family: var(--serif);
        font-size: 1.9rem;
        font-weight: 700;
        color: var(--primary);
        line-height: 1.2;
    }

    .stat-number small {
        font-family: var(--sans);
        font-size: .9rem;
        margin-left: .4rem;
        color: var(--body);
        font-weight: 400;
    }

    .stat-label {
        font-size: .92rem;
        color: var(--body);
        margin-top: .4rem;
    }

    /* 双列分类布局 */
    .category-wrap {
        display: grid;
        grid-template-columns: minmax(0, 1fr) 320px;
        gap: 3rem;
        padding-top: clamp(3.5rem, 7vw, 5.5rem);
        padding-bottom: clamp(2.5rem, 6vw, 4rem);
    }

    .cat-side {
        display: flex;
        flex-direction: column;
        gap: 1.8rem;
        align-self: start;
        position: sticky;
        top: 100px;
    }

    .side-card {
        padding: 1.7rem;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: var(--white);
        box-shadow: var(--shadow-sm);
        transition: transform .25s ease-out, box-shadow .25s ease-out;
    }

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

    .side-card-highlight {
        background: var(--deep);
        border-color: var(--deep);
        color: #fff;
    }

    .side-kicker {
        display: inline-block;
        font-size: .75rem;
        letter-spacing: .13em;
        color: var(--gold-light);
        margin-bottom: .7rem;
        font-weight: 500;
    }

    .side-card h3 {
        font-size: 1.35rem;
        line-height: 1.4;
        color: var(--ink);
        margin-bottom: .8rem;
    }

    .side-card-highlight h3 {
        color: #fff;
    }

    .side-card p {
        font-size: .9rem;
        color: var(--body);
        margin-bottom: 1.2rem;
    }

    .side-card-highlight p {
        color: rgba(255, 255, 255, .72);
    }

    .side-card .btn {
        margin-bottom: .75rem;
    }

    .side-link {
        display: inline-block;
        font-size: .9rem;
        color: var(--primary);
        margin-top: .2rem;
        transition: color .2s ease-out;
    }

    .side-card-highlight .side-link {
        color: var(--gold-light);
    }

    .side-link:hover {
        color: var(--gold);
    }

    .os-row {
        display: flex;
        gap: .5rem;
        margin-top: 1rem;
        flex-wrap: wrap;
    }

    .os-row span {
        display: inline-flex;
        align-items: center;
        height: 26px;
        padding: 0 .7rem;
        border: 1px solid rgba(255, 255, 255, .35);
        border-radius: 30px;
        font-size: .74rem;
        color: rgba(255, 255, 255, .82);
    }

    .side-list {
        margin-top: .2rem;
    }

    .side-list li {
        position: relative;
        padding: .42rem 0 .42rem 2rem;
        font-size: .92rem;
        color: var(--body);
        border-bottom: 1px dashed var(--line);
    }

    .side-list li:last-child {
        border-bottom: 0;
    }

    .side-list li i {
        position: absolute;
        left: 0;
        top: .5rem;
        color: var(--gold);
        font-style: normal;
        font-family: var(--serif);
        font-size: .86rem;
        font-weight: 700;
    }

    .side-tags {
        display: flex;
        flex-wrap: wrap;
        gap: .5rem;
    }

    .tag {
        display: inline-flex;
        align-items: center;
        height: 30px;
        padding: 0 .85rem;
        border: 1px solid var(--line);
        border-radius: 30px;
        font-size: .78rem;
        color: var(--body);
        background: var(--white);
        transition: all .2s ease-out;
    }

    .tag:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: rgba(14, 92, 79, .06);
    }

    /* Cat main modules */
    .cat-main {
        display: flex;
        flex-direction: column;
        gap: clamp(2.8rem, 5vw, 4.2rem);
        min-width: 0;
    }

    .block-head {
        margin-bottom: 1.7rem;
    }

    .eyebrow-line {
        display: flex;
        align-items: center;
        gap: .7rem;
        font-size: .8rem;
        letter-spacing: .12em;
        color: var(--gold);
        font-weight: 600;
        margin-bottom: .6rem;
    }

    .eyebrow-line::before {
        content: "";
        width: 28px;
        height: 1px;
        background: var(--gold);
        display: inline-block;
    }

    .block-title {
        font-size: clamp(1.5rem, 2vw + .6rem, 2.1rem);
        font-weight: 700;
        color: var(--ink);
        line-height: 1.3;
        letter-spacing: -.02em;
    }

    .block-title-light {
        color: #fff;
    }

    .topic-card-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.4rem;
    }

    .topic-card {
        background: var(--white);
        border: 1px solid var(--line);
        border-radius: var(--radius);
        overflow: hidden;
        transition: transform .25s ease-out, box-shadow .25s ease-out, border-color .3s ease-out;
    }

    .topic-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
        border-color: rgba(14, 92, 79, .35);
    }

    .topic-card .media {
        aspect-ratio: 16 / 10;
        overflow: hidden;
        background: var(--cream);
    }

    .topic-card .media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease-out;
    }

    .topic-card:hover .media img {
        transform: scale(1.05);
    }

    .topic-body {
        padding: 1.4rem 1.45rem 1.6rem;
    }

    .topic-body h3 {
        font-size: 1.16rem;
        color: var(--ink);
        margin-bottom: .5rem;
        transition: color .2s ease-out;
    }

    .topic-card:hover h3 {
        color: var(--primary);
    }

    .topic-body p {
        font-size: .908rem;
        line-height: 1.85;
        color: var(--body);
        margin-bottom: 1rem;
    }

    .topic-meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: .82rem;
        color: var(--muted);
    }

    .topic-anchor {
        display: inline-flex;
        align-items: center;
        gap: .3rem;
        color: var(--gold);
        font-weight: 600;
    }

    .topic-anchor i {
        font-style: normal;
        transition: transform .2s ease-out;
    }

    .topic-anchor:hover {
        color: var(--primary);
    }

    .topic-anchor:hover i {
        transform: translateX(4px);
    }

    .feature-split {
        display: grid;
        grid-template-columns: .95fr 1.05fr;
        gap: 2.5rem;
        align-items: center;
    }

    .feature-media {
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-md);
        background: var(--cream);
    }

    .feature-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        aspect-ratio: 4 / 3;
    }

    .feature-copy p {
        margin-top: 1rem;
        font-size: 1rem;
    }

    .feature-list {
        margin-top: 1.5rem;
        display: grid;
        gap: .9rem;
    }

    .feature-list li {
        position: relative;
        padding-left: 1.75rem;
        font-size: .95rem;
        color: var(--body);
        line-height: 1.7;
    }

    .feature-list li::before {
        content: "";
        position: absolute;
        left: 0;
        top: .55em;
        width: 10px;
        height: 1px;
        background: var(--gold);
        box-shadow: 3px 4px 0 var(--gold);
        border-radius: 20px;
    }

    /* 动态目录行 */
    .channel-show {
        border-top: 1px solid var(--line);
    }

    .channel-row {
        display: grid;
        grid-template-columns: 54px 130px 1fr;
        align-items: center;
        gap: 1.2rem;
        padding: 1.3rem .4rem;
        border-bottom: 1px solid var(--line);
        transition: background .25s ease-out, padding .25s ease-out;
    }

    .channel-row:hover {
        background: var(--cream);
        padding-left: 1.2rem;
        padding-right: 1.2rem;
    }

    .channel-num {
        font-family: var(--serif);
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--gold);
    }

    .channel-row h3 {
        font-size: 1rem;
        color: var(--ink);
    }

    .channel-row p {
        font-size: .9rem;
        color: var(--body);
        line-height: 1.75;
    }

    .channel-row a {
        justify-self: end;
        font-size: .85rem;
        color: var(--primary);
        font-weight: 600;
    }

    .channel-row a:hover {
        color: var(--gold);
    }

    /* 步骤区 */
    .process-panel {
        background: var(--deep);
        border-radius: var(--radius-lg);
        padding: clamp(2rem, 4vw, 3.2rem);
        color: #fff;
        position: relative;
        overflow: hidden;
    }

    .process-panel::after {
        content: "";
        position: absolute;
        right: -80px;
        top: -80px;
        width: 220px;
        height: 220px;
        border-radius: 50%;
        border: 1px solid rgba(201, 164, 76, .28);
        box-shadow: 0 0 0 24px rgba(201, 164, 76, .05), 0 0 0 48px rgba(201, 164, 76, .03);
    }

    .process-panel .block-title {
        position: relative;
        z-index: 2;
    }

    .process-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1.8rem;
        margin-top: 2rem;
        position: relative;
        z-index: 2;
    }

    .process-step {
        padding-right: 1.5rem;
        border-right: 1px solid var(--deep-line);
    }

    .process-step:last-child {
        border-right: 0;
    }

    .process-step span {
        display: block;
        font-family: var(--serif);
        font-size: 1.6rem;
        color: var(--gold-light);
        margin-bottom: .7rem;
    }

    .process-step h3 {
        font-size: 1.05rem;
        color: #fff;
        margin-bottom: .5rem;
    }

    .process-step p {
        font-size: .9rem;
        line-height: 1.85;
        color: rgba(255, 255, 255, .72);
    }

    /* FAQ */
    .faq-column {
        max-width: 860px;
        margin: 0 auto;
    }

    .faq-item {
        border-bottom: 1px solid var(--line);
        background: transparent;
        transition: background .25s ease-out;
    }

    .faq-item summary {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 1rem;
        list-style: none;
        padding: 1.35rem .4rem;
        cursor: pointer;
        font-size: .94rem;
        font-weight: 600;
        color: var(--ink);
        user-select: none;
        transition: color .2s ease-out;
    }

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

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

    .faq-item summary .icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        border: 1px solid var(--line);
        border-radius: 50%;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-family: var(--serif);
        color: var(--gold);
        font-size: 1.15rem;
        transition: transform .25s ease-out, border-color .25s ease-out, background .25s ease-out;
    }

    .faq-item[open] summary .icon {
        transform: rotate(45deg);
        border-color: var(--gold);
        background: rgba(201, 164, 76, .08);
    }

    .faq-item[open] summary {
        color: var(--primary);
    }

    .faq-item .answer {
        padding: 0 .4rem 1.4rem 1.3rem;
        font-size: .93rem;
        line-height: 1.95;
        color: var(--body);
        max-width: 94%;
    }

    /* CTA */
    .cta-band {
        background: var(--white);
        text-align: center;
        padding: clamp(3rem, 6vw, 5rem) 0;
        border-top: 1px solid rgba(201, 164, 76, .3);
        border-bottom: 1px solid rgba(201, 164, 76, .3);
        margin-top: clamp(2rem, 5vw, 4rem);
    }

    .cta-band h2 {
        font-size: clamp(1.6rem, 2.4vw + .8rem, 2.6rem);
        color: var(--ink);
        line-height: 1.35;
        margin-bottom: .6rem;
    }

    .cta-band p {
        max-width: 640px;
        margin: 0 auto 1.8rem;
        color: var(--body);
        font-size: 1rem;
    }

    .cta-btns {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: .8rem;
    }

    .btn-outline-green {
        border: 1px solid var(--primary);
        color: var(--primary);
        background: transparent;
    }

    .btn-outline-green:hover {
        background: rgba(14, 92, 79, .08);
        border-color: var(--primary);
        transform: translateY(-2px);
    }

    /* Footer */
    .site-footer {
        background: var(--deep);
        color: #fff;
        border-top: 3px solid var(--gold);
        padding-top: clamp(3rem, 6vw, 5rem);
    }

    .footer-brand {
        max-width: 340px;
    }

    .footer-brand .brand {
        display: flex;
        align-items: center;
        gap: .7rem;
    }

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

    .footer-brand .brand-text small {
        color: rgba(255, 255, 255, .46);
    }

    .footer-main {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 2.5rem;
        padding-bottom: 3rem;
        border-bottom: 1px solid var(--deep-line);
    }

    .footer-desc {
        margin-top: 1.3rem;
        font-size: .93rem;
        line-height: 1.9;
        color: rgba(255, 255, 255, .66);
    }

    .footer-title {
        font-size: 1rem;
        color: #fff;
        margin-bottom: 1rem;
        font-weight: 600;
    }

    .footer-links li {
        margin-bottom: .6rem;
    }

    .footer-links a {
        font-size: .9rem;
        color: rgba(255, 255, 255, .62);
        transition: color .2s ease-out, padding-left .2s ease-out;
    }

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

    .footer-subline {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        gap: .4rem;
        padding: 1.6rem 0 1.8rem;
        font-size: .82rem;
        color: rgba(255, 255, 255, .46);
        text-align: center;
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .topic-card-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .category-wrap {
            grid-template-columns: minmax(0, 1fr) 280px;
            gap: 2rem;
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 1.2rem;
        }

        .stat-cell {
            padding-left: 1rem;
            border-left: 0;
        }

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

        .process-grid {
            grid-template-columns: repeat(3, 1fr);
            gap: 1.2rem;
        }

        .channel-row {
            grid-template-columns: 32px 1fr;
        }

        .channel-row a {
            display: none;
        }

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

    @media (max-width: 860px) {
        .nav-toggle {
            display: flex;
            margin-left: auto;
        }

        .header-inner {
            flex-wrap: wrap;
            padding-top: .7rem;
        }

        .main-nav {
            display: none;
            width: 100%;
            flex-direction: column;
            align-items: stretch;
            gap: .4rem;
            padding: .8rem 0 1.2rem;
            border-top: 1px solid var(--line);
            margin-top: .5rem;
        }

        .main-nav.open {
            display: flex;
        }

        .nav-link {
            display: block;
            padding: .85rem .3rem;
            border-bottom: 1px solid var(--line);
        }

        .nav-link::after {
            display: none;
        }

        .nav-cta {
            margin-left: 0;
            margin-top: .8rem;
            width: 100%;
        }

        .category-wrap {
            grid-template-columns: 1fr;
        }

        .cat-side {
            position: static;
            order: 2;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
        }

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

        .process-step {
            border-right: 0;
            border-bottom: 1px solid var(--deep-line);
            padding-bottom: 1.4rem;
            padding-right: 0;
        }

        .process-step:last-child {
            border-bottom: 0;
            padding-bottom: 0;
        }

        .feature-split {
            gap: 1.8rem;
        }
    }

    @media (max-width: 640px) {
        .page-hero {
            min-height: 320px;
            padding: 3.8rem 0;
        }

        .page-hero h1 {
            font-size: 1.9rem;
        }

        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: .8rem;
        }

        .stat-cell {
            padding: 1rem;
            background: var(--cream);
            border-radius: var(--radius);
        }

        .stat-number {
            font-size: 1.55rem;
        }

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

        .cat-side {
            grid-template-columns: 1fr;
        }

        .footer-main {
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }

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

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

        .channel-row {
            grid-template-columns: 1fr;
            gap: .2rem;
        }

        .channel-row p {
            font-size: .88rem;
        }

        .faq-item .answer {
            max-width: 100%;
        }
    }

    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            transition: none !important;
            animation: none !important;
            scroll-behavior: auto !important;
        }
    }