/* ============================================================
   最新猎奇吃瓜网 - 全站样式表
   配色：深夜墨黑 + 瓜田红橙 + 热搜金
   ============================================================ */

:root {
  --bg: #0c0e13;
  --bg-2: #11141c;
  --bg-3: #161a25;
  --card: #171b26;
  --card-hover: #1d2230;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);
  --text: #eef0f5;
  --text-2: #c2c7d2;
  --muted: #8b93a3;
  --red: #ff404e;
  --red-deep: #e02331;
  --orange: #ff7a18;
  --gold: #ffc24b;
  --green: #2bd49b;
  --purple: #8b5cf6;
  --grad-hot: linear-gradient(135deg, #ff404e 0%, #ff7a18 100%);
  --grad-gold: linear-gradient(135deg, #ffc24b 0%, #ff7a18 100%);
  --grad-dark: linear-gradient(160deg, #1a1e2a 0%, #12151e 100%);
  --shadow-card: 0 10px 30px -12px rgba(0, 0, 0, 0.55);
  --shadow-hot: 0 14px 34px -10px rgba(255, 64, 78, 0.45);
  --radius: 16px;
  --radius-lg: 24px;
  --container: 1200px;
  --header-h: 72px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

/* ---------- 通用标题 ---------- */
.section { padding: 88px 0; position: relative; }
.section-head { margin-bottom: 48px; }
.section-head.center { text-align: center; }
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--orange);
  background: rgba(255, 122, 24, 0.1);
  border: 1px solid rgba(255, 122, 24, 0.25);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-eyebrow::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 0 4px rgba(255, 122, 24, 0.18);
}
.section-title {
  font-size: clamp(26px, 3.4vw, 38px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: 0.5px;
}
.section-title em {
  font-style: normal;
  background: var(--grad-hot);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-sub {
  color: var(--muted);
  margin-top: 14px;
  font-size: 16px;
  max-width: 680px;
}
.section-head.center .section-sub { margin-left: auto; margin-right: auto; }

/* ---------- 顶部快讯条 ---------- */
.topbar {
  background: #080a0f;
  border-bottom: 1px solid var(--line);
  font-size: 13px;
  height: 38px;
  overflow: hidden;
  display: flex;
  align-items: center;
}
.topbar-inner { display: flex; align-items: center; gap: 18px; height: 100%; }
.topbar-live {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--gold);
  font-weight: 700;
  letter-spacing: 1px;
}
.topbar-live .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--red);
  animation: pulse 1.6s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 64, 78, 0.55); }
  70% { box-shadow: 0 0 0 9px rgba(255, 64, 78, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 64, 78, 0); }
}
.ticker { overflow: hidden; flex: 1; }
.ticker-track {
  display: inline-flex;
  gap: 48px;
  white-space: nowrap;
  animation: ticker 36s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track span { color: var(--text-2); }
.ticker-track b { color: var(--red); margin-right: 8px; font-weight: 700; }
@keyframes ticker {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- 头部导航 ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(12, 14, 19, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s var(--ease), background 0.3s;
}
.site-header.scrolled { box-shadow: 0 10px 30px -16px rgba(0, 0, 0, 0.8); }
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo {
  width: 44px; height: 44px;
  border-radius: 13px;
  background: var(--grad-hot);
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-hot);
  transition: transform 0.35s var(--ease);
}
.brand:hover .brand-logo { transform: rotate(-8deg) scale(1.06); }
.brand-logo svg { width: 26px; height: 26px; }
.brand-text { font-size: 19px; font-weight: 900; letter-spacing: 0.5px; line-height: 1.15; }
.brand-text b {
  background: var(--grad-hot);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.brand-text small {
  display: block;
  font-size: 10.5px;
  font-weight: 400;
  color: var(--muted);
  letter-spacing: 1.5px;
  margin-top: 2px;
}

.main-nav { display: flex; align-items: center; gap: 6px; }
.main-nav a {
  padding: 9px 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  position: relative;
  transition: color 0.25s, background 0.25s;
}
.main-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.main-nav a.active { color: #fff; }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 1px;
  transform: translateX(-50%);
  width: 20px; height: 3px;
  border-radius: 3px;
  background: var(--grad-hot);
}
.main-nav .nav-cta {
  background: var(--grad-hot);
  color: #fff !important;
  font-weight: 700;
  margin-left: 8px;
  box-shadow: var(--shadow-hot);
}
.main-nav .nav-cta::after { display: none; }
.main-nav .nav-cta:hover { transform: translateY(-2px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  width: 24px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.3s;
}
.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); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 30px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  transition: transform 0.3s var(--ease), box-shadow 0.3s, background 0.3s, border-color 0.3s;
  white-space: nowrap;
}
.btn-primary { background: var(--grad-hot); color: #fff; box-shadow: var(--shadow-hot); }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 18px 40px -10px rgba(255, 64, 78, 0.6); }
.btn-ghost { border: 1px solid var(--line-strong); color: var(--text); background: rgba(255,255,255,0.03); }
.btn-ghost:hover { border-color: var(--orange); color: var(--orange); transform: translateY(-3px); }
.btn-gold { background: var(--grad-gold); color: #241400; }
.btn-gold:hover { transform: translateY(-3px); box-shadow: 0 16px 38px -12px rgba(255, 194, 75, 0.5); }
.btn-lg { padding: 17px 40px; font-size: 17px; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 84px;
  overflow: hidden;
  background:
    radial-gradient(900px 480px at 82% -10%, rgba(255, 122, 24, 0.18), transparent 60%),
    radial-gradient(760px 460px at 6% 8%, rgba(255, 64, 78, 0.16), transparent 60%),
    var(--bg);
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 30%, #000 30%, transparent 75%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: rgba(255, 64, 78, 0.12);
  border: 1px solid rgba(255, 64, 78, 0.3);
  color: #ff8a93;
  font-size: 13.5px;
  font-weight: 500;
  padding: 8px 18px;
  border-radius: 999px;
  margin-bottom: 26px;
}
.hero-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--red);
  animation: pulse 1.6s infinite;
}
.hero h1 {
  font-size: clamp(34px, 5vw, 58px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 1px;
}
.hero h1 .grad {
  background: var(--grad-hot);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-desc {
  margin-top: 22px;
  font-size: 17.5px;
  color: var(--text-2);
  max-width: 560px;
}
.hero-search {
  margin-top: 34px;
  display: flex;
  gap: 10px;
  background: var(--card);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  padding: 8px 8px 8px 24px;
  max-width: 560px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.hero-search:focus-within {
  border-color: rgba(255, 122, 24, 0.6);
  box-shadow: 0 0 0 4px rgba(255, 122, 24, 0.12);
}
.hero-search input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  min-width: 0;
}
.hero-search input::placeholder { color: var(--muted); }
.hero-tags {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  font-size: 13.5px;
  color: var(--muted);
}
.hero-tags a {
  padding: 5px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  color: var(--text-2);
  transition: all 0.25s;
}
.hero-tags a:hover { border-color: var(--red); color: #ff8a93; transform: translateY(-2px); }
.hero-stats {
  margin-top: 42px;
  display: flex;
  gap: 44px;
}
.hero-stats .num {
  font-size: 30px;
  font-weight: 900;
  background: var(--grad-gold);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-stats .label { font-size: 13.5px; color: var(--muted); margin-top: 2px; }

.hero-visual { position: relative; }
.hero-card-main {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-card);
  transform: rotate(1.5deg);
  transition: transform 0.5s var(--ease);
}
.hero-visual:hover .hero-card-main { transform: rotate(0deg) translateY(-6px); }
.hero-card-main img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.hero-card-caption {
  padding: 18px 20px;
  background: var(--grad-dark);
}
.hero-card-caption h3 { font-size: 17px; font-weight: 700; }
.hero-card-caption p { font-size: 13px; color: var(--muted); margin-top: 4px; }

.float-card {
  position: absolute;
  background: rgba(23, 27, 38, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: var(--shadow-card);
  animation: floaty 4.5s ease-in-out infinite;
}
.float-card .fc-icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 18px;
  flex-shrink: 0;
}
.float-card .fc-text b { display: block; font-size: 14px; }
.float-card .fc-text small { color: var(--muted); font-size: 12px; }
.float-card-1 { top: -22px; left: -34px; animation-delay: 0s; }
.float-card-1 .fc-icon { background: rgba(255, 64, 78, 0.16); }
.float-card-2 { bottom: 30px; right: -28px; animation-delay: 1.6s; }
.float-card-2 .fc-icon { background: rgba(43, 212, 155, 0.16); }
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ---------- 数据条 ---------- */
.strip {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--bg-2);
}
.strip-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding: 36px 0;
  text-align: center;
}
.strip-item .num { font-size: 32px; font-weight: 900; color: var(--gold); }
.strip-item .label { color: var(--muted); font-size: 14px; }

/* ---------- 核心特性 ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 28px;
  transition: transform 0.4s var(--ease), border-color 0.35s, background 0.35s;
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-hot);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
}
.feature-card:hover { transform: translateY(-10px); border-color: var(--line-strong); background: var(--card-hover); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 58px; height: 58px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  font-size: 27px;
  margin-bottom: 22px;
  background: rgba(255, 122, 24, 0.12);
  border: 1px solid rgba(255, 122, 24, 0.22);
  transition: transform 0.4s var(--ease);
}
.feature-card:hover .feature-icon { transform: scale(1.1) rotate(-6deg); }
.feature-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 11px; }
.feature-card p { color: var(--muted); font-size: 14.5px; }

/* ---------- 热榜 + 资讯 ---------- */
.layout-2col {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 36px;
  align-items: start;
}
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.news-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.4s;
  display: flex;
  flex-direction: column;
}
.news-card:hover {
  transform: translateY(-8px);
  border-color: rgba(255, 122, 24, 0.4);
  box-shadow: var(--shadow-card);
}
.news-thumb { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.news-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}
.news-card:hover .news-thumb img { transform: scale(1.07); }
.news-cat {
  position: absolute;
  top: 12px; left: 12px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: rgba(12, 14, 19, 0.78);
  backdrop-filter: blur(6px);
  border: 1px solid var(--line-strong);
}
.cat-hot { color: #ff8a93; }
.cat-ent { color: var(--gold); }
.cat-social { color: #7dd3fc; }
.cat-curious { color: #c4b5fd; }
.cat-deep { color: #6ee7b7; }
.news-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.news-body h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  transition: color 0.25s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card:hover .news-body h3 { color: var(--orange); }
.news-body p {
  margin-top: 10px;
  color: var(--muted);
  font-size: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  margin-top: auto;
  padding-top: 16px;
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12.5px;
  color: var(--muted);
}
.news-meta span { display: inline-flex; align-items: center; gap: 5px; }

.sidebar { display: flex; flex-direction: column; gap: 28px; position: sticky; top: calc(var(--header-h) + 20px); }
.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.panel-title i { display: inline-block; width: 4px; height: 18px; border-radius: 4px; background: var(--grad-hot); }

.rank-list li { display: flex; gap: 13px; align-items: flex-start; padding: 11px 0; border-bottom: 1px dashed var(--line); }
.rank-list li:last-child { border-bottom: none; }
.rank-num {
  width: 24px; height: 24px;
  border-radius: 7px;
  background: rgba(255,255,255,0.07);
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.rank-list li:nth-child(1) .rank-num { background: var(--red); color: #fff; }
.rank-list li:nth-child(2) .rank-num { background: var(--orange); color: #fff; }
.rank-list li:nth-child(3) .rank-num { background: var(--gold); color: #241400; }
.rank-list a {
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.2s;
}
.rank-list a:hover { color: var(--orange); }
.rank-list small { color: var(--muted); font-size: 12px; display: block; margin-top: 3px; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 9px; }
.tag-cloud a {
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  color: var(--text-2);
  transition: all 0.25s;
}
.tag-cloud a:hover { background: var(--grad-hot); color: #fff; border-color: transparent; transform: translateY(-2px); }

.ad-slot {
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  padding: 34px 18px;
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  background: repeating-linear-gradient(45deg, rgba(255,255,255,0.015) 0 12px, transparent 12px 24px);
}
.ad-slot b { display: block; color: var(--text-2); font-size: 15px; margin-bottom: 6px; }

/* ---------- 服务介绍 ---------- */
.services-wrap { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.service-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.service-row + .service-row { margin-top: 90px; }
.service-row.reverse .service-media { order: 2; }
.service-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-card);
  position: relative;
}
.service-media img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.service-media .media-badge {
  position: absolute;
  bottom: 18px; left: 18px;
  background: rgba(12,14,19,0.82);
  backdrop-filter: blur(10px);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  padding: 12px 18px;
  font-size: 14px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 9px;
}
.service-media .media-badge i {
  font-style: normal;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(43,212,155,0.18);
}
.service-text h2 {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 900;
  line-height: 1.3;
}
.service-text h2 em { font-style: normal; color: var(--orange); }
.service-text > p { color: var(--text-2); margin: 18px 0 26px; }
.service-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 13px 0;
  border-bottom: 1px dashed var(--line);
}
.service-list li:last-child { border-bottom: none; }
.service-list .check {
  width: 26px; height: 26px;
  border-radius: 8px;
  flex-shrink: 0;
  display: grid;
  place-items: center;
  background: rgba(43, 212, 155, 0.14);
  color: var(--green);
  font-size: 14px;
  font-weight: 900;
  margin-top: 2px;
}
.service-list b { display: block; font-size: 15.5px; }
.service-list small { color: var(--muted); font-size: 13.5px; }

/* ---------- 时间线 / 深度 ---------- */
.timeline { position: relative; max-width: 860px; margin: 0 auto; padding-left: 38px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 11px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--red), var(--orange), var(--gold));
}
.timeline-item { position: relative; padding-bottom: 42px; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -33px; top: 6px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: var(--bg);
  border: 3px solid var(--orange);
  box-shadow: 0 0 0 5px rgba(255,122,24,0.14);
}
.timeline-time { font-size: 13px; font-weight: 700; color: var(--orange); letter-spacing: 1px; }
.timeline-item h3 { font-size: 18px; margin: 7px 0 8px; }
.timeline-item p { color: var(--muted); font-size: 14.5px; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 860px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  transition: border-color 0.3s;
}
.faq-item.open { border-color: rgba(255,122,24,0.4); }
.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  text-align: left;
  font-size: 16.5px;
  font-weight: 700;
}
.faq-q .q-tag {
  flex-shrink: 0;
  font-size: 12px;
  font-weight: 700;
  color: var(--orange);
  background: rgba(255,122,24,0.12);
  border: 1px solid rgba(255,122,24,0.25);
  padding: 3px 11px;
  border-radius: 999px;
  margin-right: 12px;
}
.faq-q .arrow {
  flex-shrink: 0;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  display: grid;
  place-items: center;
  font-size: 14px;
  transition: transform 0.35s var(--ease), background 0.3s;
}
.faq-item.open .faq-q .arrow { transform: rotate(180deg); background: var(--grad-hot); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease);
}
.faq-a-inner { padding: 0 24px 22px; color: var(--text-2); font-size: 15px; }

/* ---------- CTA ---------- */
.cta-box {
  position: relative;
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
  overflow: hidden;
  background:
    radial-gradient(600px 300px at 15% 20%, rgba(255,194,75,0.22), transparent 60%),
    radial-gradient(700px 360px at 85% 90%, rgba(255,64,78,0.28), transparent 60%),
    var(--bg-3);
  border: 1px solid var(--line-strong);
}
.cta-box::before {
  content: "瓜";
  position: absolute;
  right: -30px; top: -60px;
  font-size: 260px;
  font-weight: 900;
  color: rgba(255,255,255,0.03);
  line-height: 1;
}
.cta-box h2 { font-size: clamp(26px, 3.6vw, 42px); font-weight: 900; position: relative; }
.cta-box p { color: var(--text-2); margin: 16px auto 34px; max-width: 600px; position: relative; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }
.cta-note { margin-top: 20px; font-size: 13px; color: var(--muted); position: relative; }

/* ---------- 页脚 ---------- */
.site-footer {
  background: #090b10;
  border-top: 1px solid var(--line);
  padding-top: 68px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 52px;
}
.footer-about p { color: var(--muted); font-size: 14px; margin: 18px 0 22px; max-width: 330px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  font-size: 15px;
  color: var(--text-2);
  transition: all 0.3s;
}
.footer-social a:hover { background: var(--grad-hot); color: #fff; border-color: transparent; transform: translateY(-3px); }
.footer-col h4 { font-size: 15.5px; font-weight: 800; margin-bottom: 20px; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { color: var(--muted); font-size: 14px; transition: color 0.2s, padding-left 0.2s; }
.footer-col a:hover { color: var(--orange); padding-left: 5px; }
.footer-bottom {
  border-top: 1px solid var(--line);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}
.footer-bottom .disclaimer { color: #6b7280; }

/* ---------- 内页横幅 ---------- */
.page-hero {
  padding: 72px 0 60px;
  background:
    radial-gradient(700px 360px at 80% -20%, rgba(255,122,24,0.16), transparent 60%),
    radial-gradient(700px 360px at 10% 0%, rgba(255,64,78,0.14), transparent 60%),
    var(--bg);
}
.breadcrumb { font-size: 13.5px; color: var(--muted); margin-bottom: 18px; display: flex; gap: 8px; flex-wrap: wrap; }
.breadcrumb a:hover { color: var(--orange); }
.breadcrumb .sep { opacity: 0.4; }
.page-hero h1 { font-size: clamp(30px, 4.2vw, 46px); font-weight: 900; }
.page-hero h1 .grad { background: var(--grad-hot); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.page-hero p { color: var(--text-2); margin-top: 14px; max-width: 660px; font-size: 16.5px; }

/* ---------- 分类筛选 ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.filter-btn {
  padding: 9px 22px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--line);
  font-size: 14.5px;
  font-weight: 500;
  color: var(--text-2);
  transition: all 0.25s;
}
.filter-btn:hover { border-color: var(--orange); color: var(--orange); }
.filter-btn.active { background: var(--grad-hot); color: #fff; border-color: transparent; font-weight: 700; }

/* ---------- 分页 ---------- */
.pagination { display: flex; justify-content: center; gap: 9px; margin-top: 52px; }
.pagination a, .pagination span {
  min-width: 44px; height: 44px;
  padding: 0 12px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-2);
  transition: all 0.25s;
}
.pagination a:hover { border-color: var(--orange); color: var(--orange); transform: translateY(-2px); }
.pagination .current { background: var(--grad-hot); color: #fff; border-color: transparent; }
.pagination .disabled { opacity: 0.4; pointer-events: none; }

/* ---------- 文章详情 ---------- */
.article-layout { display: grid; grid-template-columns: 1fr 340px; gap: 40px; align-items: start; }
.article-head { margin-bottom: 30px; }
.article-head h1 { font-size: clamp(26px, 3.4vw, 40px); font-weight: 900; line-height: 1.3; }
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
  margin-top: 20px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: var(--muted);
}
.author-chip { display: flex; align-items: center; gap: 10px; }
.author-chip img { width: 42px; height: 42px; border-radius: 50%; border: 2px solid var(--line-strong); }
.author-chip b { color: var(--text); font-size: 14.5px; display: block; line-height: 1.3; }
.article-cover { border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 34px; border: 1px solid var(--line); }
.article-cover img { aspect-ratio: 16/8; object-fit: cover; width: 100%; }
.article-body { font-size: 16.5px; color: var(--text-2); }
.article-body > p { margin-bottom: 22px; }
.article-body h2 { font-size: 25px; color: var(--text); font-weight: 800; margin: 38px 0 16px; padding-left: 14px; border-left: 4px solid var(--orange); }
.article-body h3 { font-size: 19.5px; color: var(--text); font-weight: 700; margin: 28px 0 12px; }
.article-body blockquote {
  border-left: 4px solid var(--red);
  background: rgba(255,64,78,0.07);
  border-radius: 0 12px 12px 0;
  padding: 20px 24px;
  margin: 26px 0;
  font-size: 16.5px;
  color: var(--text);
  font-style: normal;
}
.article-body figure { margin: 30px 0; }
.article-body figure img { border-radius: var(--radius); border: 1px solid var(--line); aspect-ratio: 16/8; object-fit: cover; width: 100%; }
.article-body figcaption { text-align: center; font-size: 13.5px; color: var(--muted); margin-top: 10px; }
.article-body strong { color: var(--text); }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin: 38px 0 0; padding-top: 28px; border-top: 1px solid var(--line); }
.article-tags a {
  font-size: 13.5px;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--line);
  color: var(--text-2);
  transition: all 0.25s;
}
.article-tags a:hover { color: var(--orange); border-color: var(--orange); }

.share-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 26px;
}
.share-bar span { color: var(--muted); font-size: 14px; }
.share-bar button {
  width: 42px; height: 42px;
  border-radius: 11px;
  background: var(--card);
  border: 1px solid var(--line);
  font-size: 16px;
  transition: all 0.25s;
}
.share-bar button:hover { background: var(--grad-hot); color: #fff; transform: translateY(-3px); }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }

/* 评论 */
.comment { display: flex; gap: 15px; padding: 22px 0; border-bottom: 1px solid var(--line); }
.comment:last-child { border-bottom: none; }
.comment > img { width: 46px; height: 46px; border-radius: 50%; flex-shrink: 0; }
.comment b { font-size: 15px; }
.comment .c-time { color: var(--muted); font-size: 12.5px; margin-left: 10px; font-weight: 400; }
.comment p { color: var(--text-2); font-size: 14.5px; margin-top: 7px; }
.comment-form { margin-top: 26px; }
.comment-form textarea {
  width: 100%;
  min-height: 110px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  color: var(--text);
  resize: vertical;
  outline: none;
  transition: border-color 0.3s;
}
.comment-form textarea:focus { border-color: var(--orange); }
.comment-form .form-row { display: flex; justify-content: flex-end; margin-top: 12px; }

/* ---------- 产品定价 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; align-items: stretch; }
.price-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px 34px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform 0.4s var(--ease), border-color 0.3s, box-shadow 0.4s;
}
.price-card:hover { transform: translateY(-10px); border-color: var(--line-strong); box-shadow: var(--shadow-card); }
.price-card.featured {
  background:
    radial-gradient(500px 240px at 50% -10%, rgba(255,122,24,0.2), transparent 60%),
    var(--card);
  border: 1px solid rgba(255,122,24,0.45);
  box-shadow: var(--shadow-hot);
}
.price-ribbon {
  position: absolute;
  top: 20px; right: -38px;
  transform: rotate(40deg);
  background: var(--grad-hot);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 44px;
  letter-spacing: 2px;
}
.price-name { font-size: 20px; font-weight: 800; }
.price-desc { color: var(--muted); font-size: 14px; margin-top: 6px; min-height: 44px; }
.price-num { margin: 22px 0 4px; display: flex; align-items: baseline; gap: 6px; }
.price-num .currency { font-size: 20px; font-weight: 700; color: var(--orange); }
.price-num .amount { font-size: 48px; font-weight: 900; line-height: 1; background: var(--grad-gold); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.price-num .period { color: var(--muted); font-size: 14px; }
.price-features { margin: 26px 0 32px; display: flex; flex-direction: column; gap: 13px; flex: 1; }
.price-features li { display: flex; gap: 11px; font-size: 14.5px; color: var(--text-2); align-items: flex-start; }
.price-features .check { color: var(--green); font-weight: 900; flex-shrink: 0; }
.price-features li.off { color: #5c6472; text-decoration: line-through; }
.price-features li.off .check { color: #5c6472; }
.price-card .btn { width: 100%; }

.compare-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
}
.compare-table th, .compare-table td { padding: 17px 20px; text-align: center; font-size: 14.5px; border-bottom: 1px solid var(--line); }
.compare-table th:first-child, .compare-table td:first-child { text-align: left; color: var(--text); font-weight: 500; }
.compare-table thead th { background: var(--bg-3); font-size: 15.5px; }
.compare-table thead th.featured-col { color: var(--orange); }
.compare-table tbody tr:hover { background: rgba(255,255,255,0.025); }
.compare-table .yes { color: var(--green); font-weight: 800; }
.compare-table .no { color: #5c6472; }
.table-wrap { overflow-x: auto; border-radius: var(--radius); }

/* ---------- 关于 ---------- */
.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.value-card {
  padding: 34px 28px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--line);
  transition: transform 0.35s var(--ease), border-color 0.3s;
}
.value-card:hover { transform: translateY(-8px); border-color: rgba(255,122,24,0.4); }
.value-card .num { font-size: 40px; font-weight: 900; background: var(--grad-hot); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.value-card h3 { font-size: 19px; margin: 12px 0 10px; }
.value-card p { color: var(--muted); font-size: 14.5px; }

.team-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.team-card { text-align: center; }
.team-card .avatar { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); margin-bottom: 16px; transition: transform 0.4s var(--ease), border-color 0.3s; }
.team-card:hover .avatar { transform: translateY(-6px); border-color: rgba(255,122,24,0.4); }
.team-card .avatar img { aspect-ratio: 1; object-fit: cover; width: 100%; filter: saturate(0.85); }
.team-card h3 { font-size: 17px; }
.team-card p { color: var(--muted); font-size: 13.5px; margin-top: 4px; }

/* ---------- 联系 ---------- */
.contact-grid { display: grid; grid-template-columns: 0.95fr 1.05fr; gap: 44px; align-items: start; }
.contact-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin-bottom: 26px; }
.contact-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 22px;
  transition: transform 0.3s var(--ease), border-color 0.3s;
}
.contact-card:hover { transform: translateY(-6px); border-color: rgba(255,122,24,0.4); }
.contact-card .ci {
  width: 48px; height: 48px;
  border-radius: 13px;
  display: grid;
  place-items: center;
  font-size: 22px;
  background: rgba(255,122,24,0.12);
  margin-bottom: 16px;
}
.contact-card h3 { font-size: 16px; margin-bottom: 6px; }
.contact-card p { color: var(--muted); font-size: 14px; word-break: break-all; }

.form-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px 38px;
}
.form-row2 { 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; margin-bottom: 9px; }
.form-group label .req { color: var(--red); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 13px 16px;
  color: var(--text);
  outline: none;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--orange);
  box-shadow: 0 0 0 4px rgba(255,122,24,0.1);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-note { font-size: 12.5px; color: var(--muted); margin-top: 14px; text-align: center; }
.toast {
  position: fixed;
  left: 50%; bottom: 36px;
  transform: translate(-50%, 80px);
  background: var(--card-hover);
  border: 1px solid rgba(43,212,155,0.45);
  color: var(--text);
  padding: 14px 26px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 500;
  z-index: 200;
  opacity: 0;
  transition: transform 0.4s var(--ease), opacity 0.4s;
  box-shadow: 0 16px 40px -12px rgba(0,0,0,0.6);
}
.toast.show { transform: translate(-50%, 0); opacity: 1; }

/* 返回顶部 */
.back-top {
  position: fixed;
  right: 26px; bottom: 26px;
  width: 48px; height: 48px;
  border-radius: 14px;
  background: var(--grad-hot);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 19px;
  z-index: 90;
  box-shadow: var(--shadow-hot);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity 0.3s, transform 0.3s;
}
.back-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }

/* ---------- 滚动入场动画 ---------- */
.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
}
.reveal.in { opacity: 1; transform: translateY(0); }
.reveal.delay-1 { transition-delay: 0.1s; }
.reveal.delay-2 { transition-delay: 0.2s; }
.reveal.delay-3 { transition-delay: 0.3s; }
.reveal.delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 1080px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-inner { grid-template-columns: 1fr; gap: 56px; }
  .hero-visual { max-width: 520px; }
  .layout-2col { grid-template-columns: 1fr; }
  .sidebar { position: static; flex-direction: column; }
  .article-layout { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px; }
  .team-grid { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .related-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: calc(var(--header-h) + 38px);
    left: 0; right: 0;
    background: rgba(13, 15, 22, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 18px 6%;
    border-bottom: 1px solid var(--line);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
  }
  .main-nav.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .main-nav a { padding: 14px 16px; font-size: 16px; }
  .main-nav a.active::after { display: none; }
  .main-nav a.active { background: rgba(255,255,255,0.07); }
  .main-nav .nav-cta { margin-left: 0; margin-top: 8px; text-align: center; }

  .service-row { grid-template-columns: 1fr; gap: 34px; }
  .service-row.reverse .service-media { order: 0; }
  .service-row + .service-row { margin-top: 64px; }
  .news-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .strip-inner { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .value-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 30px; flex-wrap: wrap; }
  .float-card-1 { left: -8px; }
  .float-card-2 { right: -8px; }
}

@media (max-width: 560px) {
  .section { padding: 64px 0; }
  .hero { padding: 60px 0 56px; }
  .features-grid { grid-template-columns: 1fr; }
  .form-row2 { grid-template-columns: 1fr; }
  .contact-cards { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .team-grid { grid-template-columns: 1fr 1fr; }
  .cta-box { padding: 52px 24px; }
  .form-card { padding: 30px 22px; }
  .hero-search { flex-direction: column; border-radius: 20px; padding: 14px; align-items: stretch; }
  .hero-search .btn { width: 100%; }
  .brand-text small { display: none; }
  .topbar-live { font-size: 12px; }
  .compare-table th, .compare-table td { padding: 13px 12px; font-size: 13px; }
}