/* roulang page: index */
/* ========== 设计变量与重置 ========== */
:root {
  --gold: #C8924B;
  --gold-light: #D9A55C;
  --gold-line: rgba(200, 160, 100, .25);
  --gold-border: rgba(200, 160, 100, .14);
  --green: #7EE0A2;
  --bg-dark: #0C0E11;
  --bg-panel: #13161C;
  --bg-card: #1A1E26;
  --bg-footer: #08090C;
  --title: #F2EDE4;
  --body: #C4BFB4;
  --muted: #8A857A;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 8px 30px rgba(0, 0, 0, .3);
  --shadow-hover: 0 12px 40px rgba(192, 146, 75, .12);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --gap: 32px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 28px;
  color: var(--body);
  background: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--gold); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--gold-light); }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ========== 通用按钮 ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 28px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all .3s ease;
  line-height: 44px;
  text-align: center;
  white-space: nowrap;
}
.btn-primary {
  background: var(--gold);
  color: #15110C;
}
.btn-primary:hover {
  background: #DFA95E;
  color: #15110C;
  box-shadow: 0 0 0 1px rgba(200, 160, 100, .4), 0 6px 20px rgba(200, 160, 100, .18);
  transform: translateY(-1px);
}
.btn-outline {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--gold);
}
.btn-outline:hover {
  background: rgba(200, 160, 100, .1);
  color: var(--gold-light);
  border-color: var(--gold-light);
}
.btn-lg { height: 52px; line-height: 52px; padding: 0 40px; font-size: 18px; }
.btn:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}
@media (max-width: 640px) {
  .btn { height: 48px; line-height: 48px; }
  .btn-lg { height: 52px; line-height: 52px; }
}

/* ========== 徽章与标签 ========== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border: 1px solid var(--gold-border);
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, .35);
  font-size: 12px;
  color: var(--gold);
  line-height: 18px;
  white-space: nowrap;
}
.badge .dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: breathe 1.8s ease-in-out infinite;
}
@keyframes breathe {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: .55; transform: scale(.82); }
}

/* ========== 顶栏 ========== */
.top-info {
  background: #0A0C0F;
  border-bottom: 1px solid rgba(200, 160, 100, .08);
  font-size: 13px;
  line-height: 36px;
  color: var(--muted);
  transition: max-height .3s ease, opacity .3s ease;
}
.top-info .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}
.top-info .tb-right span { margin-right: 18px; }
.top-info .tb-right a {
  color: var(--gold);
  font-weight: 600;
  border-bottom: 1px solid rgba(200, 160, 100, .3);
  transition: border-color .25s;
}
.top-info .tb-right a:hover { border-color: var(--gold); }

/* ========== 主导航 ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
}
.main-nav {
  background: var(--bg-dark);
  border-bottom: 1px solid var(--gold-border);
  transition: padding .3s ease, box-shadow .3s ease, background .3s ease;
  padding: 14px 0;
}
.site-header.scrolled .main-nav {
  padding: 8px 0;
  background: rgba(12, 14, 17, .92);
  box-shadow: 0 4px 24px rgba(0, 0, 0, .35);
}
.site-header.scrolled .top-info {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px; height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gold);
  color: #14100A;
  font-weight: 800;
  font-size: 18px;
  border-radius: 6px;
  letter-spacing: 0;
}
.logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--title);
  letter-spacing: .5px;
  line-height: 1.2;
}
.logo:hover .logo-text { color: var(--gold); }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-menu a {
  display: block;
  padding: 8px 16px;
  font-size: 15px;
  font-weight: 500;
  color: var(--body);
  border-radius: 6px;
  transition: all .25s ease;
  line-height: 28px;
}
.nav-menu a:hover {
  color: var(--gold);
  background: rgba(200, 160, 100, .06);
}
.nav-menu a.active {
  color: var(--gold);
  background: rgba(200, 160, 100, .08);
}
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  padding: 8px;
  cursor: pointer;
  z-index: 2001;
  position: relative;
}
.nav-toggle .bar {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--title);
  margin: 5px 0;
  transition: all .3s ease;
}
.nav-toggle.active .bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active .bar:nth-child(2) { opacity: 0; }
.nav-toggle.active .bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
  padding: 90px 0 70px;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(12, 14, 17, .78);
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12, 14, 17, .2), rgba(12, 14, 17, .92));
}
.hero .container { position: relative; z-index: 2; }
.hero-inner {
  display: flex;
  align-items: center;
  gap: 60px;
  transition: transform .3s ease;
}
.hero-copy { flex: 1 1 58%; }
.hero-visual { flex: 1 1 42%; max-width: 380px; margin-left: auto; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 14px;
  border: 1px solid var(--gold-border);
  border-radius: 20px;
  background: rgba(0, 0, 0, .3);
  font-size: 13px;
  color: var(--gold);
  margin-bottom: 24px;
}
.hero-eyebrow .eyebrow-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--green);
  animation: breathe 1.8s ease-in-out infinite;
}
.hero h1 {
  font-size: 40px;
  line-height: 56px;
  color: var(--title);
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.hero-sub {
  font-size: 16px;
  line-height: 30px;
  color: var(--body);
  margin-bottom: 30px;
  max-width: 520px;
}
.hero-ctas {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.hero-visual-card {
  position: relative;
  border-radius: var(--radius);
  border: 1px solid var(--gold-line);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow);
  clip-path: polygon(0 3px, 100% 0, 100% calc(100% - 3px), 0 100%);
  transition: border-color .3s ease, box-shadow .3s ease;
}
.hero-visual-card:hover {
  border-color: rgba(200, 160, 100, .4);
  box-shadow: var(--shadow-hover);
}
.hero-visual-card .pic-frame { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.hero-visual-card .pic-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.hero-visual-card:hover .pic-frame img { transform: scale(1.02); }
.hero-visual-card .pic-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(12, 14, 17, .75));
}
.hero-card-status {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 2;
}
.hero-card-status .status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(126, 224, 162, .6);
  animation: breathe 1.6s ease-in-out infinite;
}
.hero-card-status .status-text {
  color: var(--title);
  font-size: 14px;
  font-weight: 600;
}
.hero-energy-line {
  position: absolute;
  top: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  z-index: 2;
  animation: energyFlow 3.5s ease-in-out infinite;
}
@keyframes energyFlow {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(100%); }
  100% { transform: translateX(100%); }
}

/* ========== 通用板块 ========== */
.section {
  padding: 80px 0;
}
.section-panel {
  background: var(--bg-panel);
}
.section-head {
  margin-bottom: 48px;
}
.section-head h2 {
  font-size: 30px;
  line-height: 40px;
  color: var(--title);
  font-weight: 700;
  letter-spacing: .5px;
  margin-bottom: 10px;
}
.section-head p {
  font-size: 15px;
  color: var(--muted);
  line-height: 24px;
}
.section-head .gold-bar {
  width: 44px;
  height: 3px;
  background: var(--gold);
  border-radius: 2px;
  margin-bottom: 16px;
}

/* ========== 痛点区 ========== */
.pain-section { padding: 80px 0; background: var(--bg-dark); }
.pain-grid {
  display: flex;
  gap: 60px;
}
.pain-left { flex: 0 0 58%; }
.pain-quote {
  font-size: 24px;
  line-height: 38px;
  color: var(--title);
  font-weight: 500;
  position: relative;
  padding-left: 28px;
  border-left: 3px solid var(--gold);
}
.pain-quote .quote-mark {
  font-size: 48px;
  color: var(--gold);
  display: block;
  margin-bottom: 8px;
  line-height: 1;
  opacity: .6;
}
.pain-right { flex: 0 0 42%; }
.trust-list {
  border-left: 1px solid var(--gold-border);
  padding-left: 0;
}
.trust-list li {
  position: relative;
  padding: 0 0 28px 28px;
}
.trust-list li::before {
  content: '';
  position: absolute;
  left: -4px;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 8px rgba(200, 160, 100, .4);
}
.trust-list li:last-child { padding-bottom: 0; }
.trust-list strong {
  display: block;
  font-size: 17px;
  color: var(--title);
  margin-bottom: 4px;
  font-weight: 700;
}
.trust-list span {
  font-size: 14px;
  color: var(--muted);
  line-height: 24px;
}
.trust-list .badge {
  margin-top: 6px;
  font-weight: 500;
}

/* ========== 解决方案 / 工作室特色 ========== */
.solution-section { padding: 80px 0; background: var(--bg-panel); position: relative; overflow: hidden; }
.blood-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 56px;
}
.blood-item {
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius);
  padding: 22px 20px;
  transition: border-color .3s, box-shadow .3s;
}
.blood-item:hover {
  border-color: var(--gold-line);
  box-shadow: var(--shadow-hover);
}
.blood-info {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 12px;
}
.blood-num {
  font-size: 30px;
  font-weight: 800;
  font-style: italic;
  color: var(--green);
  line-height: 1;
}
.blood-label { font-size: 14px; color: var(--muted); }
.blood-track {
  height: 6px;
  background: rgba(255, 255, 255, .06);
  border-radius: 3px;
  overflow: hidden;
}
.blood-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 3px;
}
.solution-grid {
  display: flex;
  gap: 56px;
  align-items: flex-start;
}
.skill-block { flex: 0 0 56%; }
.skill-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.skill-item {
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: all .3s ease;
  cursor: default;
}
.skill-item:hover {
  border-color: var(--gold-line);
  background: rgba(200, 160, 100, .08);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.skill-icon {
  width: 46px; height: 46px;
  margin: 0 auto 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--gold-border);
  border-radius: 10px;
  color: var(--gold);
  font-size: 20px;
  transition: background .3s ease, border-color .3s ease;
}
.skill-item:hover .skill-icon {
  background: rgba(200, 160, 100, .12);
  border-color: var(--gold);
}
.skill-item h3 {
  font-size: 16px;
  color: var(--title);
  line-height: 24px;
  font-weight: 600;
  margin-bottom: 6px;
}
.skill-item p {
  font-size: 13px;
  color: var(--muted);
  line-height: 20px;
}
.env-block { flex: 0 0 44%; display: flex; flex-direction: column; gap: 20px; }
.env-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color .3s, box-shadow .3s, transform .3s;
}
.env-card:hover {
  border-color: var(--gold-line);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.env-card .pic-frame {
  position: relative;
  aspect-ratio: 16/9;
  overflow: hidden;
}
.env-card .pic-frame img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.env-card:hover .pic-frame img { transform: scale(1.02); }
.env-card .pic-frame::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent, rgba(12, 14, 17, .6));
}
.env-card-body {
  padding: 20px 22px 22px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}
.env-card-body p {
  font-size: 15px;
  color: var(--title);
  line-height: 26px;
  flex: 1;
}

/* ========== 成果战报 ========== */
.results-section { padding: 80px 0; background: var(--bg-dark); }
.results-panel {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: 10px;
  clip-path: polygon(0 6px, 100% 0, 100% calc(100% - 6px), 0 100%);
  box-shadow: var(--shadow);
}
.results-panel::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light), rgba(200,160,100,.2));
}
.results-inner {
  display: flex;
  gap: 0;
  padding: 40px 44px;
}
.results-left { flex: 0 0 55%; padding-right: 48px; }
.results-left h3 {
  font-size: 20px;
  color: var(--title);
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.result-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 16px;
}
.result-stat .rs-num {
  font-size: 34px;
  font-weight: 800;
  font-style: italic;
  color: var(--green);
  line-height: 40px;
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.result-stat .rs-num .unit { font-size: 16px; font-weight: 600; }
.result-stat .rs-label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 2px;
}
.results-right {
  flex: 0 0 45%;
  border-left: 1px solid var(--gold-border);
  padding-left: 48px;
}
.results-right h3 {
  font-size: 20px;
  color: var(--title);
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: 1px;
}
.rules-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid rgba(200,160,100,.08);
}
.rules-list li:last-child { border-bottom: 0; }
.rules-list .rule-dot {
  width: 6px; height: 6px;
  background: var(--gold);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 12px;
}
.rules-list .rule-name {
  font-size: 15px;
  color: var(--title);
  font-weight: 600;
  display: block;
  line-height: 24px;
}
.rules-list .rule-desc {
  font-size: 13px;
  color: var(--muted);
  line-height: 22px;
}

/* ========== 客户证言 ========== */
.testi-section { padding: 80px 0; background: var(--bg-panel); }
.testi-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.testi-item {
  display: flex;
  gap: 16px;
  max-width: 82%;
}
.testi-item:nth-child(2) {
  margin-left: 20%;
}
.testi-item:nth-child(3) {
  margin-left: 5%;
}
.testi-avatar {
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--gold);
  color: #14100A;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 0 2px rgba(192,146,75,.25);
}
.testi-bubble {
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: 2px 14px 14px 14px;
  padding: 18px 22px;
  position: relative;
  transition: border-color .3s, box-shadow .3s;
}
.testi-bubble:hover {
  border-color: var(--gold-line);
  box-shadow: var(--shadow-hover);
}
.testi-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-bottom: 8px;
}
.testi-name {
  font-size: 14px;
  color: var(--title);
  font-weight: 600;
}
.testi-stars {
  color: var(--gold);
  font-size: 13px;
  letter-spacing: 1px;
}
.testi-bubble p {
  font-size: 15px;
  color: var(--body);
  line-height: 28px;
}

/* ========== 资讯动态 ========== */
.news-section { padding: 80px 0; background: var(--bg-dark); }
.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.news-row {
  display: flex;
  align-items: center;
  gap: 24px;
  background: var(--bg-card);
  border: 1px solid var(--gold-border);
  border-radius: var(--radius);
  padding: 22px 24px;
  transition: all .3s ease;
  position: relative;
  overflow: hidden;
}
.news-row::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--gold);
  transform: scaleY(0);
  transition: transform .3s ease;
  border-radius: 0 3px 3px 0;
}
.news-row:hover {
  border-color: var(--gold-line);
  box-shadow: var(--shadow-hover);
  transform: translateX(3px);
}
.news-row:hover::before { transform: scaleY(1); }
.news-date-block {
  flex-shrink: 0;
  width: 86px;
  text-align: center;
  background: rgba(200,160,100,.06);
  border: 1px solid var(--gold-border);
  border-radius: 6px;
  padding: 10px 6px;
}
.news-date-block .d {
  display: block;
  font-size: 32px;
  font-weight: 800;
  font-style: italic;
  color: var(--gold);
  line-height: 36px;
}
.news-date-block .my {
  font-size: 12px;
  color: var(--muted);
  line-height: 18px;
  display: block;
}
.news-body {
  flex: 1;
  min-width: 0;
}
.news-body h3 {
  font-size: 18px;
  color: var(--title);
  font-weight: 600;
  line-height: 26px;
  margin-bottom: 4px;
  transition: color .25s;
}
.news-row:hover .news-body h3 { color: var(--gold); }
.news-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 22px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.news-link {
  flex-shrink: 0;
  font-size: 14px;
  color: var(--gold);
  font-weight: 500;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: border-color .25s;
}
.news-link:hover { border-color: var(--gold); color: var(--gold-light); }
.news-empty {
  text-align: center;
  padding: 48px 20px;
  background: var(--bg-card);
  border: 1px dashed var(--gold-border);
  border-radius: var(--radius);
  color: var(--muted);
  font-size: 15px;
  line-height: 28px;
}

/* ========== 最终 CTA ========== */
.final-cta {
  position: relative;
  padding: 100px 0;
  background: url('/assets/images/backpic/back-2.jpg') center center / cover no-repeat;
  overflow: hidden;
}
.final-cta::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(12, 14, 17, .88);
}
.final-cta::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(12,14,17,.4), rgba(8,9,12,.96));
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 48px;
  flex-wrap: wrap;
}
.cta-copy { flex: 1 1 60%; }
.cta-copy h2 {
  font-size: 30px;
  line-height: 44px;
  color: var(--title);
  font-weight: 700;
  letter-spacing: .5px;
}
.cta-copy p {
  margin-top: 12px;
  font-size: 15px;
  color: var(--body);
  line-height: 26px;
  max-width: 480px;
}
.cta-action { flex: 0 0 300px; text-align: center; }
.cta-action .btn { width: 100%; }
.cta-action .cta-note {
  font-size: 13px;
  color: var(--muted);
  line-height: 22px;
  margin-top: 14px;
}
.cta-energy {
  position: absolute;
  left: 0; right: 0;
  top: 50%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(200,160,100,.5), transparent);
  z-index: 1;
  pointer-events: none;
}

/* ========== 页脚 ========== */
.site-footer {
  background: var(--bg-footer);
  border-top: 1px solid rgba(200,160,100,.06);
  padding: 56px 0 30px;
}
.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(200,160,100,.06);
  flex-wrap: wrap;
}
.footer-brand { flex: 1 1 360px; }
.footer-brand .logo { margin-bottom: 14px; }
.footer-desc {
  font-size: 14px;
  color: var(--muted);
  line-height: 26px;
  max-width: 420px;
}
.footer-links {
  display: flex;
  gap: 36px;
  flex-wrap: wrap;
}
.footer-links .fl-col h4 {
  font-size: 14px;
  color: var(--title);
  font-weight: 600;
  margin-bottom: 14px;
  letter-spacing: .5px;
}
.footer-links .fl-col a {
  display: block;
  font-size: 14px;
  color: var(--muted);
  line-height: 32px;
  transition: color .25s;
}
.footer-links .fl-col a:hover { color: var(--gold); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  padding-top: 28px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}
.footer-bottom .icp { color: var(--muted); }
.footer-compliance {
  width: 100%;
  text-align: center;
  font-size: 12px;
  color: rgba(138, 133, 122, .7);
  margin-top: 12px;
  line-height: 22px;
}

/* ========== 响应式 ========== */
@media screen and (max-width: 1024px) {
  .hero h1 { font-size: 36px; line-height: 50px; }
  .pain-grid { flex-direction: column; gap: 40px; }
  .solution-grid { flex-direction: column; gap: 40px; }
  .skill-block, .env-block { flex: 0 0 100%; }
  .results-inner { flex-direction: column; gap: 40px; }
  .results-left { padding-right: 0; }
  .results-right { border-left: 0; border-top: 1px solid var(--gold-border); padding-left: 0; padding-top: 32px; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-copy p { margin-left: auto; margin-right: auto; }
  .cta-action { flex: 1 1 100%; }
}
@media screen and (max-width: 640px) {
  .section { padding: 56px 0; }
  .section-head h2 { font-size: 26px; line-height: 36px; }
  .top-info .container { justify-content: center; gap: 6px; flex-direction: column; line-height: 30px; }
  .top-info .tb-right span { display: block; margin: 0; }
  .main-nav { padding: 10px 0; }
  .nav-toggle { display: block; }
  .nav-menu {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: rgba(12, 14, 17, .97);
    z-index: 2000;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease;
  }
  .nav-menu.is-open {
    opacity: 1;
    pointer-events: all;
  }
  .nav-menu a {
    font-size: 18px;
    line-height: 48px;
    color: var(--title);
    padding: 0 20px;
  }
  .nav-menu a.active { color: var(--gold); }
  .hero { min-height: auto; padding: 60px 0 50px; }
  .hero h1 { font-size: 28px; line-height: 40px; }
  .hero-sub { font-size: 15px; line-height: 26px; }
  .hero-inner { flex-direction: column; gap: 40px; }
  .hero-visual { max-width: 100%; width: 100%; }
  .blood-bar { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .skill-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .testi-item { max-width: 100%; }
  .testi-item:nth-child(2) { margin-left: 0; }
  .testi-item:nth-child(3) { margin-left: 0; }
  .news-row { flex-direction: column; align-items: flex-start; gap: 16px; padding: 20px; }
  .news-date-block { width: auto; display: flex; align-items: baseline; gap: 8px; padding: 6px 14px; }
  .news-date-block .d { font-size: 24px; line-height: 28px; }
  .news-date-block .my { display: inline; }
  .news-link { align-self: flex-end; }
  .footer-top { flex-direction: column; gap: 30px; }
  .footer-links { gap: 24px; }
  .cta-copy h2 { font-size: 24px; line-height: 36px; }
  .results-panel .results-inner { padding: 28px 22px; }
  .result-stats { gap: 16px; }
  .result-stat .rs-num { font-size: 28px; line-height: 34px; }
}

/* ========== 动效与可访问性 ========== */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}
@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;
  }
}

/* ========== Foundation 覆盖 ========== */
.menu a { color: var(--body); }
.menu a:hover { color: var(--gold); background: transparent; }
.top-bar { background: transparent; }
.top-bar ul { background: transparent; }
.row { max-width: 1200px; }
.dropdown.menu .is-active > a { color: var(--gold); }
a { outline: none; }
a:focus-visible { outline: 2px solid rgba(126,224,162,.6); outline-offset: 2px; border-radius: 2px; }

/* roulang page: article */
:root{
    --primary:#C8924B;
    --primary-light:#D9A764;
    --primary-dark:#A9783A;
    --accent:#7EE0A2;
    --bg-base:#0C0E11;
    --bg-alt:#13161C;
    --bg-card:#1A1E26;
    --bg-deep:#08090C;
    --text-title:#F2EDE4;
    --text-body:#C4BFB4;
    --text-muted:#8A857A;
    --border-gold:rgba(200,160,100,.14);
    --border-gold-hover:rgba(200,160,100,.25);
    --radius:8px;
    --radius-sm:4px;
    --shadow-card:0 8px 30px rgba(0,0,0,.3);
    --shadow-card-hover:0 12px 40px rgba(192,146,75,.12);
    --font-main:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
    --transition:.2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:var(--font-main);
    background:var(--bg-base);
    color:var(--text-body);
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{
    color:var(--primary);
    text-decoration:none;
    transition:color var(--transition);
}
a:hover{color:var(--primary-light)}
ul,ol{list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    height:44px;
    padding:0 28px;
    border-radius:var(--radius);
    font-size:15px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:all var(--transition);
    letter-spacing:.5px;
    white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--primary-light);outline-offset:3px}
.btn-primary{
    background:var(--primary);
    color:#14100a;
}
.btn-primary:hover{
    background:var(--primary-light);
    color:#0C0E11;
    box-shadow:0 0 0 1px rgba(200,160,100,.5),0 4px 20px rgba(192,146,75,.2);
    transform:translateY(-1px);
}
.btn-secondary{
    background:transparent;
    color:var(--text-title);
    border-color:var(--primary);
}
.btn-secondary:hover{
    background:rgba(200,146,75,.1);
    border-color:var(--primary-light);
    color:var(--text-title);
}
.btn-lg{height:52px;padding:0 36px;font-size:16px}
.btn-block{width:100%}
.badge{
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:4px 12px;
    background:rgba(0,0,0,.45);
    border:1px solid var(--border-gold);
    border-radius:var(--radius-sm);
    font-size:12px;
    color:var(--text-title);
    letter-spacing:.4px;
}
.badge-dot{
    width:6px;height:6px;
    border-radius:50%;
    background:var(--accent);
    animation:pulse 1.6s infinite;
}
@keyframes pulse{
    0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(126,224,162,.5)}
    50%{opacity:.75;box-shadow:0 0 6px 2px rgba(126,224,162,.3)}
}
@keyframes fadeUp{
    from{opacity:0;transform:translateY(24px)}
    to{opacity:1;transform:translateY(0)}
}
.reveal{animation:fadeUp .5s ease both}
@media (prefers-reduced-motion:reduce){
    html{scroll-behavior:auto}
    *,*::before,*::after{animation:none!important;transition:none!important}
}
/* 顶栏 */
.topbar{
    background:var(--bg-deep);
    min-height:36px;
    border-bottom:1px solid var(--border-gold);
    display:flex;
    align-items:center;
}
.topbar-inner{
    display:flex;
    justify-content:space-between;
    align-items:center;
    width:100%;
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
    font-size:13px;
    color:var(--text-muted);
}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar-link{
    color:var(--primary);
    font-weight:600;
    padding:2px 0;
    border-bottom:1px solid rgba(200,146,75,.3);
}
.topbar-link:hover{color:var(--primary-light);border-bottom-color:var(--primary)}
/* 导航 */
.main-nav{
    background:rgba(12,14,17,.95);
    backdrop-filter:blur(12px);
    border-bottom:1px solid var(--border-gold);
    position:sticky;
    top:0;
    z-index:100;
    transition:background .3s,box-shadow .3s;
}
.main-nav.scrolled{
    background:rgba(12,14,17,.92);
    box-shadow:0 4px 24px rgba(0,0,0,.45);
}
.nav-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    min-height:68px;
    padding:0 20px;
}
.logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    color:var(--text-title);
    font-weight:700;
    font-size:18px;
    letter-spacing:.5px;
}
.logo:hover{color:var(--text-title)}
.logo-icon{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:36px;height:36px;
    background:var(--primary);
    color:#14100a;
    font-size:18px;
    font-weight:800;
    border-radius:var(--radius-sm);
    clip-path:polygon(0 0,100% 0,calc(100% - 6px) 100%,0 100%);
}
.logo-text{font-size:17px;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:32px}
.nav-menu a{
    font-size:15px;
    color:var(--text-body);
    font-weight:500;
    padding:6px 0;
    border-bottom:2px solid transparent;
    transition:all var(--transition);
}
.nav-menu a:hover{color:var(--text-title);border-bottom-color:rgba(200,146,75,.4)}
.nav-menu a.active{
    color:var(--primary);
    border-bottom-color:var(--primary);
}
.nav-toggle{
    display:none;
    background:transparent;
    border:none;
    cursor:pointer;
    flex-direction:column;
    gap:4px;
    padding:8px;
    border-radius:var(--radius-sm);
}
.nav-toggle .bar{
    width:24px;height:2px;
    background:var(--text-title);
    border-radius:2px;
    transition:transform .25s,opacity .25s;
}
.nav-toggle.active .bar:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle.active .bar:nth-child(2){opacity:0}
.nav-toggle.active .bar:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
/* 面包屑 */
.breadcrumb-wrap{
    background:var(--bg-alt);
    border-bottom:1px solid var(--border-gold);
    padding:24px 0;
}
.breadcrumb-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:12px;
}
.breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:14px;
    color:var(--text-muted);
    flex-wrap:wrap;
}
.breadcrumb a{color:var(--text-muted)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(200,160,100,.4)}
.breadcrumb .current{
    color:var(--text-title);
    max-width:360px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}
.back-link{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:14px;
    color:var(--primary);
    font-weight:500;
    padding:6px 14px;
    border:1px solid var(--border-gold);
    border-radius:var(--radius-sm);
    transition:all var(--transition);
}
.back-link:hover{
    background:rgba(200,146,75,.08);
    border-color:var(--primary);
}
/* 文章主区 */
.article-main{
    background:var(--bg-base);
    padding:48px 0 64px;
}
.article-content-wrapper{
    background:var(--bg-alt);
    border-radius:var(--radius);
    border:1px solid var(--border-gold);
    padding:40px 44px;
    box-shadow:var(--shadow-card);
    position:relative;
}
.article-title{
    font-size:34px;
    line-height:1.3;
    color:var(--text-title);
    font-weight:800;
    margin-bottom:18px;
    letter-spacing:.3px;
}
.article-meta{
    display:flex;
    align-items:center;
    flex-wrap:wrap;
    gap:18px;
    padding-bottom:22px;
    margin-bottom:28px;
    border-bottom:1px solid var(--border-gold);
    font-size:14px;
    color:var(--text-muted);
}
.meta-item{
    display:inline-flex;
    align-items:center;
    gap:6px;
}
.meta-item i{color:var(--primary);font-size:13px}
.meta-cat{
    color:var(--primary);
    background:rgba(200,146,75,.08);
    padding:2px 12px;
    border-radius:var(--radius-sm);
    font-size:12px;
    border:1px solid rgba(200,146,75,.2);
}
/* 正文 */
.article-body{font-size:16px;line-height:28px;color:var(--text-body)}
.article-body p{
    margin-bottom:32px;
    line-height:28px;
}
.article-body p:first-of-type::first-letter{
    font-size:2.8em;
    font-weight:800;
    float:left;
    line-height:1;
    padding-right:10px;
    color:var(--primary);
    font-style:italic;
}
.article-body h2{
    font-size:26px;
    color:var(--text-title);
    font-weight:700;
    margin:40px 0 18px;
    line-height:1.4;
}
.article-body h3{
    font-size:20px;
    color:var(--text-title);
    font-weight:600;
    margin:32px 0 14px;
    padding-left:14px;
    border-left:3px solid var(--primary);
    line-height:1.5;
}
.article-body h4{
    font-size:18px;
    color:var(--text-title);
    font-weight:600;
    margin:24px 0 12px;
}
.article-body blockquote{
    border-left:3px solid var(--primary);
    background:rgba(200,146,75,.05);
    padding:18px 22px;
    margin:28px 0;
    border-radius:0 var(--radius) var(--radius) 0;
    font-style:italic;
    color:var(--text-title);
    line-height:28px;
}
.article-body ul,.article-body ol{
    margin:0 0 28px;
    padding-left:24px;
}
.article-body ul li{
    position:relative;
    padding-left:16px;
    margin-bottom:10px;
    line-height:28px;
}
.article-body ul li::before{
    content:'';
    position:absolute;
    left:0;
    top:13px;
    width:6px;height:6px;
    background:var(--primary);
    border-radius:50%;
}
.article-body ol li{
    list-style:decimal;
    margin-bottom:10px;
    line-height:28px;
}
.article-body img{
    border-radius:var(--radius);
    margin:28px 0;
    box-shadow:var(--shadow-card);
}
.article-body a{
    color:var(--primary);
    border-bottom:1px solid rgba(200,146,75,.3);
}
.article-body a:hover{border-bottom-color:var(--primary)}
.article-body code{
    background:var(--bg-card);
    padding:2px 8px;
    border-radius:4px;
    font-size:14px;
    color:var(--accent);
}
.article-body table{
    width:100%;
    border-collapse:collapse;
    margin:24px 0;
    font-size:15px;
}
.article-body th,.article-body td{
    border:1px solid var(--border-gold);
    padding:12px 16px;
    text-align:left;
}
.article-body th{
    background:var(--bg-card);
    color:var(--text-title);
    font-weight:600;
}
.article-toc{
    border:1px dashed var(--border-gold);
    border-radius:var(--radius);
    padding:20px 24px;
    margin-bottom:36px;
    background:rgba(19,22,28,.5);
    font-size:14px;
    color:var(--text-muted);
}
/* 侧栏 */
.article-sidebar{padding-left:8px}
.side-widget{
    background:var(--bg-alt);
    border:1px solid var(--border-gold);
    border-radius:var(--radius);
    padding:26px;
    margin-bottom:24px;
}
.side-widget h3{
    font-size:18px;
    color:var(--text-title);
    font-weight:700;
    margin-bottom:18px;
    padding-bottom:12px;
    border-bottom:1px solid var(--border-gold);
    position:relative;
}
.side-widget h3::after{
    content:'';
    position:absolute;
    bottom:-1px;
    left:0;
    width:42px;
    height:2px;
    background:var(--primary);
}
.related-card{
    display:flex;
    gap:12px;
    padding:12px 0;
    border-bottom:1px solid rgba(200,160,100,.08);
    transition:all var(--transition);
    border-left:2px solid transparent;
    padding-left:12px;
}
.related-card:last-child{border-bottom:none}
.related-card:hover{
    border-left-color:var(--primary);
    background:rgba(200,146,75,.03);
}
.related-card img{
    width:72px;
    height:52px;
    object-fit:cover;
    border-radius:var(--radius-sm);
    flex-shrink:0;
}
.related-card .rc-body{flex:1;min-width:0}
.related-card .rc-title{
    font-size:14px;
    color:var(--text-title);
    font-weight:500;
    line-height:1.5;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.related-card .rc-meta{
    font-size:12px;
    color:var(--text-muted);
    margin-top:4px;
}
.prev-next{
    display:flex;
    gap:12px;
}
.prev-next a{
    flex:1;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:6px;
    padding:12px;
    border:1px solid var(--border-gold);
    border-radius:var(--radius);
    font-size:14px;
    color:var(--text-body);
    transition:all var(--transition);
}
.prev-next a:hover{
    border-color:var(--primary);
    color:var(--primary);
    background:rgba(200,146,75,.05);
}
/* 约茶 CTA 条 */
.article-cta{
    background:var(--bg-alt) url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
    position:relative;
    border-top:1px solid var(--border-gold);
    border-bottom:1px solid var(--border-gold);
}
.article-cta::before{
    content:'';
    position:absolute;
    inset:0;
    background:rgba(12,14,17,.85);
}
.article-cta .container{position:relative;z-index:1;padding:48px 20px}
.cta-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:24px;
    flex-wrap:wrap;
}
.cta-text{flex:1;min-width:260px}
.cta-text h2{
    color:var(--text-title);
    font-size:24px;
    font-weight:700;
    margin-bottom:8px;
}
.cta-text p{
    color:var(--text-muted);
    font-size:14px;
    line-height:1.7;
    max-width:520px;
}
.cta-actions{
    text-align:right;
    display:flex;
    flex-direction:column;
    align-items:flex-end;
    gap:8px;
}
.cta-sub{
    display:flex;
    gap:16px;
    font-size:12px;
    color:var(--text-muted);
}
.cta-sub span{
    display:inline-flex;
    align-items:center;
    gap:5px;
}
.cta-sub span::before{
    content:'';
    width:4px;height:4px;
    background:var(--accent);
    border-radius:50%;
    flex-shrink:0;
}
.cta-line{
    height:1px;
    background:linear-gradient(90deg,transparent,var(--primary),transparent);
    margin-top:36px;
    position:relative;
}
/* 页脚 */
.site-footer{
    background:var(--bg-deep);
    padding:48px 0 0;
    border-top:1px solid var(--border-gold);
}
.footer-top{
    display:flex;
    justify-content:space-between;
    gap:40px;
    flex-wrap:wrap;
    padding-bottom:32px;
    border-bottom:1px solid rgba(200,160,100,.08);
}
.footer-brand{flex:1;min-width:280px;max-width:400px}
.footer-brand .logo{margin-bottom:14px}
.footer-desc{
    font-size:14px;
    line-height:1.7;
    color:var(--text-muted);
    margin-top:12px;
}
.fl-col{min-width:160px}
.fl-col h4{
    font-size:15px;
    color:var(--text-title);
    font-weight:600;
    margin-bottom:14px;
}
.fl-col a{
    display:block;
    font-size:14px;
    color:var(--text-muted);
    padding:6px 0;
    transition:color var(--transition);
}
.fl-col a:hover{color:var(--primary)}
.footer-bottom{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:20px 0 0;
    font-size:13px;
    color:var(--text-muted);
    flex-wrap:wrap;
    gap:12px;
}
.footer-compliance{
    font-size:13px;
    color:rgba(138,133,122,.6);
    text-align:center;
    padding:12px 0 20px;
    border-top:1px solid rgba(200,160,100,.06);
    margin-top:16px;
}
.icp{color:rgba(138,133,122,.6)}
/* 未找到 */
.not-found{
    text-align:center;
    padding:80px 20px;
}
.not-found h1{
    font-size:32px;
    color:var(--text-title);
    margin-bottom:16px;
}
.not-found p{
    color:var(--text-muted);
    margin-bottom:28px;
}
/* 响应式 */
@media (max-width:1024px){
    .nav-menu{gap:20px}
    .article-content-wrapper{padding:32px 28px}
    .article-sidebar{padding-left:0;margin-top:32px}
}
@media (max-width:640px){
    .topbar-inner{flex-direction:column;gap:4px;padding:6px 12px}
    .topbar-text{font-size:12px}
    .topbar-right{gap:10px;font-size:12px}
    .nav-toggle{display:flex}
    .nav-menu{
        position:fixed;
        top:0;right:-100%;
        width:78%;
        max-width:320px;
        height:100vh;
        background:var(--bg-card);
        flex-direction:column;
        justify-content:flex-start;
        align-items:flex-start;
        gap:0;
        padding:88px 32px 32px;
        transition:right .3s ease;
        z-index:999;
        box-shadow:-8px 0 32px rgba(0,0,0,.5);
        border-left:1px solid var(--border-gold);
    }
    .nav-menu.open{right:0}
    .nav-menu a{
        width:100%;
        font-size:18px;
        padding:14px 0;
        border-bottom:1px solid rgba(200,160,100,.08);
    }
    .nav-menu a.active{border-bottom-color:var(--primary)}
    .nav-toggle{z-index:1000}
    .breadcrumb .bc-mid{display:none}
    .breadcrumb .current{max-width:180px}
    .breadcrumb-inner{
        flex-direction:column;
        align-items:flex-start;
        gap:10px;
    }
    .article-main{padding:24px 0 40px}
    .article-content-wrapper{padding:24px 20px}
    .article-title{font-size:26px}
    .article-body{font-size:15px;line-height:1.75}
    .article-body p{margin-bottom:24px;line-height:26px}
    .article-body blockquote{padding:14px 16px}
    .article-body img{border-radius:6px}
    .article-meta{gap:10px;font-size:13px}
    .cta-inner{flex-direction:column;text-align:center}
    .cta-actions{align-items:center;text-align:center}
    .cta-text h2{font-size:20px}
    .footer-top{flex-direction:column;gap:24px}
    .footer-bottom{flex-direction:column;align-items:flex-start}
    .btn{height:48px}
}