/* =========================================================
   原创福利 · 高质量原创写真社区与创作者互动分享平台
   全站样式表
   ========================================================= */

:root {
  --bg: #0e0c13;
  --bg-2: #141119;
  --surface: #1b1725;
  --surface-2: #221c2f;
  --line: rgba(255, 255, 255, 0.08);
  --text: #f5f2f9;
  --muted: #a89eb8;
  --brand: #ff5c8a;
  --brand-2: #ffb36b;
  --accent: #8b5cf6;
  --gradient: linear-gradient(135deg, #ff5c8a 0%, #ffb36b 100%);
  --gradient-text: linear-gradient(120deg, #ff7ba2 0%, #ffc38b 100%);
  --gradient-soft: linear-gradient(135deg, rgba(255, 92, 138, 0.14), rgba(255, 179, 107, 0.14));
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
  --shadow-sm: 0 10px 30px rgba(0, 0, 0, 0.35);
  --font-body: "Noto Sans SC", -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-display: "Noto Serif SC", "Noto Sans SC", serif;
  --header-h: 72px;
}

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

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color 0.25s ease; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font-family: inherit; }

::selection { background: rgba(255, 92, 138, 0.35); color: #fff; }

.container { width: min(1200px, 92%); margin: 0 auto; }

.section { padding: 96px 0; position: relative; }
.section.alt { background: var(--bg-2); }

/* ---------- 通用标题 ---------- */
.section-head { text-align: center; max-width: 720px; margin: 0 auto 56px; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--brand); font-weight: 700; margin-bottom: 14px;
}
.eyebrow::before, .eyebrow::after {
  content: ""; width: 26px; height: 1px; background: var(--gradient); display: inline-block;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 900; line-height: 1.3; letter-spacing: 1px;
}
.section-desc { color: var(--muted); margin-top: 14px; font-size: 16px; }
.gradient-text {
  background: var(--gradient-text);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 32px; border-radius: 999px;
  font-weight: 700; font-size: 15px; letter-spacing: 1px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
  will-change: transform;
}
.btn-primary { background: var(--gradient); color: #fff; box-shadow: 0 12px 30px rgba(255, 92, 138, 0.35); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 40px rgba(255, 92, 138, 0.5); }
.btn-ghost { border: 1px solid var(--line); color: var(--text); background: rgba(255, 255, 255, 0.04); backdrop-filter: blur(6px); }
.btn-ghost:hover { transform: translateY(-3px); border-color: rgba(255, 92, 138, 0.6); color: #ffb1c8; }
.btn svg { width: 18px; height: 18px; }

/* ---------- 头部 / 导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 1000; height: var(--header-h);
  transition: background 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  border-bottom: 1px solid transparent;
}
.site-header.scrolled {
  background: rgba(14, 12, 19, 0.86);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}
.nav-wrap { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo {
  width: 42px; height: 42px; border-radius: 12px; flex: 0 0 auto;
  background: var(--gradient);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 900; font-size: 20px; color: #fff;
  box-shadow: 0 8px 20px rgba(255, 92, 138, 0.4);
}
.brand-text { line-height: 1.25; }
.brand-name { font-family: var(--font-display); font-size: 20px; font-weight: 900; letter-spacing: 2px; }
.brand-slogan { font-size: 11px; color: var(--muted); letter-spacing: 1px; }

.main-nav ul { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  position: relative; display: block; padding: 10px 16px;
  font-size: 15px; font-weight: 500; color: var(--muted); border-radius: 8px;
}
.main-nav a::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px; height: 2px;
  background: var(--gradient); border-radius: 2px;
  transform: scaleX(0); transform-origin: left; transition: transform 0.3s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--text); }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.nav-cta { display: inline-flex; }

.nav-toggle { display: none; width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--line); position: relative; z-index: 1002; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: ""; display: block; width: 20px; height: 2px; background: var(--text);
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%);
  transition: all 0.3s ease; border-radius: 2px;
}
.nav-toggle span::before { transform: translate(-50%, -8px); }
.nav-toggle span::after { transform: translate(-50%, 6px); }
.nav-toggle.open span { background: transparent; }
.nav-toggle.open span::before { transform: translate(-50%, 0) rotate(45deg); background: var(--text); }
.nav-toggle.open span::after { transform: translate(-50%, 0) rotate(-45deg); background: var(--text); }

/* ---------- 首页 Hero ---------- */
.hero {
  position: relative; min-height: 100vh;
  display: flex; align-items: center;
  padding: calc(var(--header-h) + 56px) 0 80px;
  overflow: hidden;
}
.hero-bg { position: absolute; inset: 0; z-index: -2; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.32; }
.hero-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 20% 30%, rgba(255, 92, 138, 0.22), transparent 60%),
    radial-gradient(ellipse 50% 45% at 85% 20%, rgba(139, 92, 246, 0.2), transparent 60%),
    linear-gradient(180deg, rgba(14, 12, 19, 0.5), var(--bg) 92%);
}
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 18px; border-radius: 999px;
  border: 1px solid rgba(255, 92, 138, 0.35); background: rgba(255, 92, 138, 0.1);
  font-size: 13px; color: #ffc2d3; letter-spacing: 1px; margin-bottom: 24px;
}
.hero-badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 12px var(--brand); animation: pulse 2s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: 0.5; transform: scale(0.8); } }

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.4vw, 60px);
  font-weight: 900; line-height: 1.25; letter-spacing: 2px;
}
.hero-sub { color: var(--muted); font-size: 17px; margin: 22px 0 36px; max-width: 540px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }

.hero-stats { display: flex; flex-wrap: wrap; gap: 12px 44px; margin-top: 52px; }
.hero-stats .stat .num {
  font-family: var(--font-display); font-size: 30px; font-weight: 900;
  background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-stats .stat .label { font-size: 13px; color: var(--muted); letter-spacing: 1px; }

.hero-visual { position: relative; }
.hero-collage { position: relative; display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.hero-collage figure {
  border-radius: var(--radius); overflow: hidden; position: relative;
  border: 1px solid var(--line); box-shadow: var(--shadow-sm);
  animation: floaty 7s ease-in-out infinite;
}
.hero-collage figure:nth-child(1) { transform: translateY(22px); animation-delay: 0s; }
.hero-collage figure:nth-child(2) { animation-delay: 1.2s; }
.hero-collage figure:nth-child(3) { transform: translateY(22px); animation-delay: 2.1s; }
.hero-collage figure:nth-child(4) { animation-delay: 0.6s; }
.hero-collage img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 3 / 4; transition: transform 0.6s ease; }
.hero-collage figure:hover img { transform: scale(1.06); }
@keyframes floaty { 0%, 100% { translate: 0 0; } 50% { translate: 0 -12px; } }

.hero-collage .tag-chip {
  position: absolute; left: 12px; bottom: 12px; z-index: 2;
  padding: 5px 12px; border-radius: 999px; font-size: 12px; letter-spacing: 1px;
  background: rgba(14, 12, 19, 0.68); backdrop-filter: blur(8px);
  border: 1px solid var(--line); color: #ffd9e3;
}

/* ---------- 内页横幅 ---------- */
.page-hero {
  position: relative; padding: calc(var(--header-h) + 84px) 0 84px;
  overflow: hidden; text-align: center;
  background:
    radial-gradient(ellipse 55% 60% at 15% 10%, rgba(255, 92, 138, 0.16), transparent 60%),
    radial-gradient(ellipse 50% 55% at 88% 0%, rgba(139, 92, 246, 0.16), transparent 60%),
    var(--bg-2);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 { font-family: var(--font-display); font-size: clamp(30px, 4.6vw, 46px); font-weight: 900; letter-spacing: 2px; }
.page-hero p { color: var(--muted); max-width: 640px; margin: 18px auto 0; font-size: 16px; }
.breadcrumb { display: flex; justify-content: center; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); margin-bottom: 18px; letter-spacing: 1px; }
.breadcrumb a:hover { color: var(--brand); }
.breadcrumb .sep { opacity: 0.5; }

/* ---------- 核心特性 ---------- */
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 36px 28px; position: relative; overflow: hidden;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.feature-card::before {
  content: ""; position: absolute; inset: 0 0 auto 0; height: 3px;
  background: var(--gradient); transform: scaleX(0); transform-origin: left; transition: transform 0.4s ease;
}
.feature-card:hover { transform: translateY(-8px); border-color: rgba(255, 92, 138, 0.35); box-shadow: var(--shadow-sm); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 58px; height: 58px; border-radius: 16px; margin-bottom: 22px;
  background: var(--gradient-soft); border: 1px solid rgba(255, 92, 138, 0.28);
  display: grid; place-items: center; color: var(--brand);
}
.feature-icon svg { width: 28px; height: 28px; }
.feature-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 12px; letter-spacing: 1px; }
.feature-card p { color: var(--muted); font-size: 14.5px; }

/* ---------- 作品网格 ---------- */
.works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.work-card {
  position: relative; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--surface);
  transition: transform 0.35s ease, box-shadow 0.35s ease;
}
.work-card:hover { transform: translateY(-8px); box-shadow: var(--shadow); }
.work-cover { position: relative; overflow: hidden; aspect-ratio: 4 / 5; }
.work-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.7s ease; }
.work-card:hover .work-cover img { transform: scale(1.08); }
.work-cover::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(14, 12, 19, 0.9));
  opacity: 0.9; transition: opacity 0.35s ease;
}
.work-cat {
  position: absolute; top: 14px; left: 14px; z-index: 2;
  padding: 5px 14px; border-radius: 999px; font-size: 12px; letter-spacing: 1px;
  background: rgba(14, 12, 19, 0.65); backdrop-filter: blur(8px);
  border: 1px solid var(--line); color: #ffd9e3;
}
.work-info { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; padding: 20px; }
.work-info h3 { font-size: 18px; font-weight: 700; letter-spacing: 1px; }
.work-meta { display: flex; align-items: center; gap: 16px; margin-top: 8px; font-size: 13px; color: #cfc6dd; }
.work-meta .author { display: inline-flex; align-items: center; gap: 8px; }
.work-meta .author img { width: 24px; height: 24px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line); }
.work-meta .likes { display: inline-flex; align-items: center; gap: 6px; color: #ff9db8; }
.work-meta svg { width: 15px; height: 15px; }

/* 作品筛选 */
.filter-tabs { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 48px; }
.filter-tabs button {
  padding: 10px 24px; border-radius: 999px; font-size: 14px; letter-spacing: 1px;
  border: 1px solid var(--line); color: var(--muted); background: var(--surface);
  transition: all 0.3s ease;
}
.filter-tabs button:hover { color: var(--text); border-color: rgba(255, 92, 138, 0.5); }
.filter-tabs button.active { background: var(--gradient); color: #fff; border-color: transparent; box-shadow: 0 8px 22px rgba(255, 92, 138, 0.35); }

/* ---------- 创作者 ---------- */
.creators-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.creator-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 24px 28px; text-align: center; position: relative; overflow: hidden;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.creator-card:hover { transform: translateY(-8px); border-color: rgba(255, 92, 138, 0.35); box-shadow: var(--shadow-sm); }
.creator-card .halo {
  position: absolute; top: -60px; left: 50%; transform: translateX(-50%);
  width: 180px; height: 120px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255, 92, 138, 0.22), transparent);
  pointer-events: none;
}
.creator-avatar { width: 92px; height: 92px; margin: 0 auto 18px; position: relative; }
.creator-avatar img { width: 100%; height: 100%; border-radius: 50%; object-fit: cover; border: 3px solid rgba(255, 92, 138, 0.45); }
.creator-avatar .verify {
  position: absolute; right: -2px; bottom: 2px; width: 26px; height: 26px;
  border-radius: 50%; background: var(--gradient); display: grid; place-items: center;
  border: 2px solid var(--bg);
}
.creator-avatar .verify svg { width: 13px; height: 13px; color: #fff; }
.creator-card h3 { font-size: 18px; font-weight: 700; letter-spacing: 1px; }
.creator-style { font-size: 13px; color: var(--brand); letter-spacing: 1px; margin: 4px 0 14px; }
.creator-stats { display: flex; justify-content: center; gap: 26px; padding-top: 16px; border-top: 1px dashed var(--line); }
.creator-stats .num { font-weight: 800; font-size: 17px; }
.creator-stats .label { font-size: 12px; color: var(--muted); }

/* ---------- 服务介绍 ---------- */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.service-card {
  display: flex; gap: 24px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 34px 30px; transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}
.service-card:hover { transform: translateY(-6px); border-color: rgba(255, 179, 107, 0.4); box-shadow: var(--shadow-sm); }
.service-num {
  font-family: var(--font-display); font-size: 34px; font-weight: 900; line-height: 1;
  background: var(--gradient-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  flex: 0 0 auto;
}
.service-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; letter-spacing: 1px; }
.service-card p { color: var(--muted); font-size: 14.5px; }
.service-card .svc-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-size: 14px; color: var(--brand-2); letter-spacing: 1px; }
.service-card .svc-link:hover { color: var(--brand); }
.service-card .svc-link svg { width: 15px; height: 15px; }

/* ---------- 流程步骤 ---------- */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step-card {
  position: relative; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 40px 26px 30px; text-align: center;
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.step-card:hover { transform: translateY(-6px); border-color: rgba(255, 92, 138, 0.35); }
.step-card::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; top: -22px; left: 50%; transform: translateX(-50%);
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gradient); color: #fff; font-weight: 900; font-size: 15px;
  display: grid; place-items: center; box-shadow: 0 8px 20px rgba(255, 92, 138, 0.4);
}
.step-card h3 { font-size: 17px; font-weight: 700; margin: 10px 0 10px; letter-spacing: 1px; }
.step-card p { color: var(--muted); font-size: 14px; }

/* ---------- 新闻卡片 ---------- */
.news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.news-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform 0.35s ease, box-shadow 0.35s ease, border-color 0.35s ease;
}
.news-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-sm); border-color: rgba(255, 92, 138, 0.3); }
.news-cover { position: relative; aspect-ratio: 16 / 9; overflow: hidden; }
.news-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.news-card:hover .news-cover img { transform: scale(1.07); }
.news-tag {
  position: absolute; top: 14px; left: 14px;
  padding: 5px 14px; border-radius: 999px; font-size: 12px; letter-spacing: 1px;
  background: var(--gradient); color: #fff;
}
.news-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.news-date { font-size: 13px; color: var(--muted); letter-spacing: 1px; display: flex; align-items: center; gap: 8px; }
.news-date svg { width: 14px; height: 14px; }
.news-body h3 { font-size: 17.5px; font-weight: 700; line-height: 1.5; margin: 10px 0; letter-spacing: 0.5px; }
.news-body h3 a:hover { color: var(--brand); }
.news-body p { color: var(--muted); font-size: 14px; flex: 1; }
.news-more { margin-top: 16px; font-size: 14px; color: var(--brand-2); letter-spacing: 1px; display: inline-flex; align-items: center; gap: 6px; }
.news-more svg { width: 15px; height: 15px; transition: transform 0.25s ease; }
.news-card:hover .news-more svg { transform: translateX(4px); }

/* 新闻列表页 */
.news-list-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.pagination { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 56px; }
.pagination a, .pagination span {
  min-width: 44px; height: 44px; padding: 0 14px; border-radius: 12px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--line); background: var(--surface); color: var(--muted);
  font-size: 14px; transition: all 0.25s ease;
}
.pagination a:hover { border-color: rgba(255, 92, 138, 0.5); color: var(--text); }
.pagination .current { background: var(--gradient); color: #fff; border-color: transparent; font-weight: 700; }

/* ---------- 文章详情 ---------- */
.article-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 48px; align-items: start; }
.article-main {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  padding: clamp(28px, 4vw, 56px);
}
.article-meta { display: flex; flex-wrap: wrap; gap: 12px 26px; color: var(--muted); font-size: 13.5px; letter-spacing: 0.5px; margin: 18px 0 30px; }
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }
.article-meta svg { width: 15px; height: 15px; color: var(--brand); }
.article-cover { border-radius: var(--radius-sm); overflow: hidden; margin-bottom: 34px; border: 1px solid var(--line); }
.article-cover img { width: 100%; aspect-ratio: 16 / 8; object-fit: cover; }
.article-content h2 {
  font-family: var(--font-display); font-size: 24px; font-weight: 900; letter-spacing: 1px;
  margin: 40px 0 16px; padding-left: 16px; border-left: 4px solid; border-image: linear-gradient(180deg, #ff5c8a, #ffb36b) 1;
}
.article-content h3 { font-size: 18.5px; font-weight: 700; margin: 28px 0 12px; letter-spacing: 1px; }
.article-content p { color: #d9d3e4; margin-bottom: 18px; font-size: 15.5px; }
.article-content blockquote {
  margin: 26px 0; padding: 22px 26px; border-radius: var(--radius-sm);
  background: var(--gradient-soft); border: 1px solid rgba(255, 92, 138, 0.25);
  color: #f0dfe9; font-size: 15.5px;
}
.article-content ul, .article-content ol { margin: 0 0 18px 22px; color: #d9d3e4; font-size: 15.5px; }
.article-content ul li, .article-content ol li { margin-bottom: 8px; list-style: disc; }
.article-content ol li { list-style: decimal; }
.article-content figure { margin: 28px 0; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--line); }
.article-content figcaption { padding: 12px 16px; font-size: 13px; color: var(--muted); background: var(--surface-2); text-align: center; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; padding-top: 26px; border-top: 1px dashed var(--line); }
.article-tags span { padding: 6px 16px; border-radius: 999px; font-size: 13px; background: var(--surface-2); border: 1px solid var(--line); color: var(--muted); letter-spacing: 1px; }
.article-pn { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-top: 28px; }
.article-pn a {
  padding: 20px 22px; border-radius: var(--radius-sm); background: var(--surface);
  border: 1px solid var(--line); transition: border-color 0.3s ease, transform 0.3s ease;
}
.article-pn a:hover { border-color: rgba(255, 92, 138, 0.4); transform: translateY(-3px); }
.article-pn .pn-label { font-size: 12px; color: var(--muted); letter-spacing: 2px; }
.article-pn .pn-title { font-size: 15px; font-weight: 700; margin-top: 6px; line-height: 1.5; }
.article-pn .next { text-align: right; }

.sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: calc(var(--header-h) + 24px); }
.side-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.side-card h2, .side-card h3 { font-size: 17px; font-weight: 800; letter-spacing: 1px; margin-bottom: 18px; display: flex; align-items: center; gap: 10px; }
.side-card h2::before, .side-card h3::before { content: ""; width: 4px; height: 16px; border-radius: 2px; background: var(--gradient); }
.side-news li { padding: 12px 0; border-bottom: 1px dashed var(--line); }
.side-news li:last-child { border-bottom: none; padding-bottom: 0; }
.side-news a { font-size: 14.5px; line-height: 1.6; color: #cfc8dc; }
.side-news a:hover { color: var(--brand); }
.side-news .date { display: block; font-size: 12px; color: var(--muted); margin-top: 4px; }
.side-cats li a {
  display: flex; justify-content: space-between; align-items: center;
  padding: 11px 14px; border-radius: 10px; font-size: 14.5px; color: #cfc8dc;
  transition: background 0.25s ease, color 0.25s ease;
}
.side-cats li a:hover { background: var(--gradient-soft); color: var(--text); }
.side-cats .count { font-size: 12px; color: var(--muted); }
.side-cta { text-align: center; background: var(--gradient-soft); border: 1px solid rgba(255, 92, 138, 0.3); }
.side-cta p { color: #e9dce6; font-size: 14px; margin-bottom: 18px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; transition: border-color 0.3s ease; }
.faq-item.open { border-color: rgba(255, 92, 138, 0.4); }
.faq-q {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  padding: 20px 24px; text-align: left; font-size: 16px; font-weight: 700; letter-spacing: 0.5px;
}
.faq-q .chev { flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; transition: transform 0.3s ease, background 0.3s ease; }
.faq-q .chev svg { width: 14px; height: 14px; }
.faq-item.open .chev { transform: rotate(180deg); background: var(--gradient); border-color: transparent; color: #fff; }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-a-inner { padding: 0 24px 22px; color: var(--muted); font-size: 14.5px; }
.faq-a-inner strong { color: var(--brand-2); font-weight: 700; }

/* ---------- CTA ---------- */
.cta-band { position: relative; overflow: hidden; border-radius: calc(var(--radius) + 8px); padding: clamp(48px, 7vw, 84px) clamp(28px, 6vw, 80px); text-align: center; background: var(--surface-2); border: 1px solid var(--line); }
.cta-band::before {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 50% 70% at 15% 20%, rgba(255, 92, 138, 0.28), transparent 60%),
    radial-gradient(ellipse 45% 65% at 88% 85%, rgba(255, 179, 107, 0.22), transparent 60%);
  pointer-events: none;
}
.cta-band > * { position: relative; }
.cta-band h2 { font-family: var(--font-display); font-size: clamp(26px, 4vw, 38px); font-weight: 900; letter-spacing: 2px; }
.cta-band p { color: var(--muted); max-width: 600px; margin: 16px auto 34px; }
.cta-note { margin-top: 18px; font-size: 13px; color: var(--muted); letter-spacing: 1px; }

/* ---------- 页脚 ---------- */
.site-footer { background: #0a080e; border-top: 1px solid var(--line); padding: 72px 0 0; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 52px; }
.footer-brand p { color: var(--muted); font-size: 14px; margin: 18px 0 22px; max-width: 320px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 10px; }
.footer-badges span { padding: 6px 14px; border-radius: 999px; font-size: 12px; border: 1px solid var(--line); color: var(--muted); letter-spacing: 1px; }
.footer-col h3 { font-size: 16px; font-weight: 800; letter-spacing: 2px; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { color: var(--muted); font-size: 14px; }
.footer-col ul a:hover { color: var(--brand); }
.footer-contact li { display: flex; gap: 12px; color: var(--muted); font-size: 14px; margin-bottom: 14px; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; color: var(--brand); flex: 0 0 auto; margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid var(--line); padding: 22px 0;
  display: flex; flex-wrap: wrap; gap: 10px 24px; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--muted);
}
.footer-bottom a:hover { color: var(--brand); }

/* ---------- 关于页 ---------- */
.about-story { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.about-story .story-img { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow-sm); position: relative; }
.about-story .story-img img { width: 100%; aspect-ratio: 4 / 3.4; object-fit: cover; }
.about-story .story-img .exp-badge {
  position: absolute; right: 18px; bottom: 18px; padding: 14px 22px; border-radius: var(--radius-sm);
  background: rgba(14, 12, 19, 0.78); backdrop-filter: blur(10px); border: 1px solid var(--line); text-align: center;
}
.about-story .exp-badge .num { font-family: var(--font-display); font-size: 26px; font-weight: 900; color: var(--brand-2); }
.about-story .exp-badge .label { font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.story-text h2 { font-family: var(--font-display); font-size: clamp(24px, 3.4vw, 34px); font-weight: 900; letter-spacing: 1px; margin-bottom: 20px; }
.story-text p { color: var(--muted); margin-bottom: 16px; font-size: 15.5px; }
.story-text .points { margin-top: 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.story-text .points li { display: flex; gap: 10px; align-items: center; font-size: 14.5px; color: #d9d3e4; }
.story-text .points svg { width: 18px; height: 18px; color: var(--brand); flex: 0 0 auto; }

.values-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card {
  text-align: center; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 42px 30px;
  transition: transform 0.35s ease, border-color 0.35s ease;
}
.value-card:hover { transform: translateY(-8px); border-color: rgba(255, 92, 138, 0.35); }
.value-icon {
  width: 66px; height: 66px; margin: 0 auto 22px; border-radius: 50%;
  background: var(--gradient-soft); border: 1px solid rgba(255, 92, 138, 0.3);
  display: grid; place-items: center; color: var(--brand);
}
.value-icon svg { width: 30px; height: 30px; }
.value-card h3 { font-size: 18px; font-weight: 800; letter-spacing: 2px; margin-bottom: 12px; }
.value-card p { color: var(--muted); font-size: 14.5px; }

.timeline { position: relative; max-width: 760px; margin: 0 auto; padding-left: 34px; }
.timeline::before { content: ""; position: absolute; left: 8px; top: 6px; bottom: 6px; width: 2px; background: linear-gradient(180deg, #ff5c8a, #ffb36b); border-radius: 2px; opacity: 0.5; }
.timeline-item { position: relative; padding-bottom: 40px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: ""; position: absolute; left: -33px; top: 6px; width: 16px; height: 16px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--brand); box-shadow: 0 0 14px rgba(255, 92, 138, 0.6);
}
.timeline-item .year { font-family: var(--font-display); font-size: 20px; font-weight: 900; color: var(--brand-2); letter-spacing: 1px; }
.timeline-item h3 { font-size: 17px; font-weight: 700; margin: 6px 0; letter-spacing: 1px; }
.timeline-item p { color: var(--muted); font-size: 14.5px; max-width: 560px; }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.team-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-align: center; transition: transform 0.3s ease, border-color 0.3s ease; }
.team-card:hover { transform: translateY(-6px); border-color: rgba(255, 179, 107, 0.4); }
.team-card img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.team-card .info { padding: 18px; }
.team-card h3 { font-size: 16.5px; font-weight: 700; letter-spacing: 1px; }
.team-card .role { font-size: 13px; color: var(--brand); letter-spacing: 1px; margin-top: 4px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 40px; align-items: start; }
.contact-info-cards { display: grid; gap: 18px; }
.info-card {
  display: flex; gap: 18px; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm);
  padding: 24px; transition: border-color 0.3s ease, transform 0.3s ease;
}
.info-card:hover { border-color: rgba(255, 92, 138, 0.35); transform: translateY(-3px); }
.info-icon { width: 48px; height: 48px; flex: 0 0 auto; border-radius: 12px; background: var(--gradient-soft); border: 1px solid rgba(255, 92, 138, 0.3); display: grid; place-items: center; color: var(--brand); }
.info-icon svg { width: 22px; height: 22px; }
.info-card h3 { font-size: 16px; font-weight: 700; letter-spacing: 1px; margin-bottom: 4px; }
.info-card p { color: var(--muted); font-size: 14px; }
.info-card .strong { color: var(--text); font-weight: 700; font-size: 15.5px; }

.contact-form-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(26px, 4vw, 44px); }
.contact-form-card h2 { font-family: var(--font-display); font-size: 24px; font-weight: 900; letter-spacing: 1px; margin-bottom: 8px; }
.contact-form-card > p { color: var(--muted); font-size: 14px; margin-bottom: 28px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; letter-spacing: 1px; margin-bottom: 8px; }
.form-group label .req { color: var(--brand); margin-left: 3px; }
.form-group input, .form-group textarea, .form-group select {
  width: 100%; padding: 13px 16px; border-radius: 10px;
  background: var(--bg-2); border: 1px solid var(--line); color: var(--text);
  font-size: 14.5px; transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px rgba(255, 92, 138, 0.15);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-tip { font-size: 12.5px; color: var(--muted); margin-top: 6px; }
.form-status { display: none; margin-top: 18px; padding: 14px 18px; border-radius: 10px; font-size: 14px; background: rgba(94, 214, 156, 0.12); border: 1px solid rgba(94, 214, 156, 0.4); color: #8fe6bb; }
.form-status.show { display: block; animation: fadeUp 0.4s ease; }

/* ---------- 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(36px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: 0.08s; }
.reveal.d2 { transition-delay: 0.16s; }
.reveal.d3 { transition-delay: 0.24s; }
.reveal.d4 { transition-delay: 0.32s; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

/* ---------- 返回顶部 ---------- */
.back-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 900;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--gradient); color: #fff; display: grid; place-items: center;
  box-shadow: 0 12px 28px rgba(255, 92, 138, 0.45);
  opacity: 0; visibility: hidden; transform: translateY(14px);
  transition: all 0.35s ease;
}
.back-top.show { opacity: 1; visibility: visible; transform: none; }
.back-top:hover { transform: translateY(-4px); }
.back-top svg { width: 20px; height: 20px; }

/* ---------- 跑马灯标签 ---------- */
.marquee-band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-2); overflow: hidden; padding: 18px 0; }
.marquee-track { display: flex; gap: 44px; width: max-content; animation: marquee 30s linear infinite; }
.marquee-track span { font-family: var(--font-display); font-size: 15px; letter-spacing: 3px; color: var(--muted); white-space: nowrap; display: inline-flex; align-items: center; gap: 44px; }
.marquee-track span::after { content: "✦"; color: var(--brand); font-size: 12px; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .features-grid, .creators-grid, .steps-grid, .team-grid { grid-template-columns: repeat(2, 1fr); }
  .works-grid, .news-grid, .news-list-grid, .values-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { max-width: 560px; }
  .article-wrap { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .about-story { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .section { padding: 72px 0; }
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed; inset: 0; z-index: 1001;
    background: rgba(14, 12, 19, 0.97); backdrop-filter: blur(16px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: opacity 0.35s ease, visibility 0.35s ease;
  }
  .main-nav.open { opacity: 1; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: 8px; text-align: center; }
  .main-nav a { font-size: 20px; padding: 14px 28px; letter-spacing: 2px; }
  .main-nav a::after { display: none; }
  .nav-cta { display: none; }
  .hero { min-height: auto; padding-top: calc(var(--header-h) + 40px); }
  .hero-stats { gap: 12px 28px; }
  .article-pn { grid-template-columns: 1fr; }
  .article-pn .next { text-align: left; }
}

@media (max-width: 560px) {
  .features-grid, .creators-grid, .steps-grid, .team-grid,
  .works-grid, .news-grid, .news-list-grid, .values-grid, .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-actions .btn { width: 100%; }
  .story-text .points { grid-template-columns: 1fr; }
  .brand-slogan { display: none; }
}

/* ---------- 打印与可访问性 ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--brand); outline-offset: 2px;
}