/* =========================================================
   红料社官网 · 全站样式
   设计语言：新闻纸底色 + 墨黑 + 品牌红，编辑部风格
   ========================================================= */

:root {
  --ink: #101014;
  --ink-2: #17171d;
  --ink-3: #22222a;
  --paper: #f7f5f1;
  --white: #ffffff;
  --red: #ff2e3e;
  --red-deep: #d9182a;
  --red-soft: #ffe9ec;
  --amber: #ffb020;
  --text: #3e3e46;
  --muted: #71717c;
  --line: #e8e4dc;
  --line-dark: rgba(255, 255, 255, 0.14);
  --radius: 18px;
  --radius-lg: 26px;
  --shadow: 0 18px 44px -18px rgba(16, 16, 20, 0.22);
  --shadow-lg: 0 34px 70px -28px rgba(16, 16, 20, 0.38);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC",
    "Noto Sans CJK SC", sans-serif;
  --header-h: 74px;
}

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

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

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
  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; }

::selection { background: var(--red); color: #fff; }

h1, h2, h3, h4 {
  color: var(--ink);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5.2vw, 3.9rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.6rem); letter-spacing: -0.025em; }
h3 { font-size: 1.22rem; }

.container { width: min(1180px, 92vw); margin: 0 auto; }

.lead { color: var(--muted); font-size: 1.06rem; max-width: 620px; }

/* ---------- 通用小组件 ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 18px;
}
.eyebrow .num {
  color: var(--red);
  font-weight: 800;
  letter-spacing: 0.04em;
}
.eyebrow::after {
  content: "";
  width: 44px;
  height: 2px;
  background: var(--red);
  border-radius: 2px;
}

.section-head { margin-bottom: 52px; }
.section-head.center { text-align: center; }
.section-head.center .lead { margin-left: auto; margin-right: auto; }
.section-head h2 { margin-bottom: 14px; }

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease,
    color 0.22s ease, border-color 0.22s ease;
  white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 12px 26px -10px rgba(255, 46, 62, 0.65); }
.btn-primary:hover { background: var(--red-deep); transform: translateY(-2px); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.4); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.1); transform: translateY(-2px); }
.btn-outline { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-outline:hover { background: var(--ink); color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-lg { padding: 17px 38px; font-size: 1.05rem; }
.btn-light { background: #fff; color: var(--ink); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

/* 对勾列表 */
.ticks li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 9px;
  font-size: 0.95rem;
  color: var(--text);
}
.ticks svg { width: 18px; height: 18px; flex: none; margin-top: 4px; color: var(--red); }

/* ---------- 顶部进度条 ---------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--red), var(--amber));
  z-index: 1002;
  transition: width 0.08s linear;
}

/* ---------- 页眉 ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 1000;
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}
.header-inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand-mark { width: 42px; height: 42px; flex: none; filter: drop-shadow(0 6px 14px rgba(255, 46, 62, 0.4)); }
.brand-text { line-height: 1.1; }
.brand-text strong {
  display: block;
  font-size: 1.22rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: #fff;
}
.brand-text small {
  display: block;
  font-size: 0.6rem;
  letter-spacing: 0.42em;
  color: rgba(255, 255, 255, 0.55);
  font-weight: 600;
}

.main-nav ul { display: flex; gap: 6px; }
.main-nav a {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  transition: color 0.2s ease, background 0.2s ease;
}
.main-nav a:hover { color: #fff; background: rgba(255, 255, 255, 0.12); }
.main-nav a[aria-current="page"] { color: #fff; background: rgba(255, 255, 255, 0.16); }

.header-actions { display: flex; align-items: center; gap: 14px; }

/* 滚动后：白底玻璃 */
.site-header.scrolled { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(14px); box-shadow: 0 8px 30px -14px rgba(16, 16, 20, 0.25); }
.site-header.scrolled .brand-text strong,
.site-header.scrolled .main-nav a { color: var(--ink); }
.site-header.scrolled .brand-text small { color: var(--muted); }
.site-header.scrolled .main-nav a:hover { background: var(--red-soft); color: var(--red-deep); }
.site-header.scrolled .main-nav a[aria-current="page"] { background: var(--red); color: #fff; }

.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  border: 0;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.14);
  position: relative;
}
.site-header.scrolled .nav-toggle { background: var(--paper); }
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 50%;
  width: 20px; height: 2px;
  background: #fff;
  border-radius: 2px;
  transform: translateX(-50%);
  transition: transform 0.25s ease, opacity 0.2s ease, background 0.3s ease;
}
.site-header.scrolled .nav-toggle span,
.site-header.scrolled .nav-toggle span::before,
.site-header.scrolled .nav-toggle span::after { background: var(--ink); }
.nav-toggle span { top: 50%; }
.nav-toggle span::before { transform: translate(-50%, -7px); }
.nav-toggle span::after { transform: translate(-50%, 7px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: translate(-50%, 0) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after { transform: translate(-50%, 0) rotate(-45deg); }

/* 移动端菜单 */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: var(--ink);
  padding: calc(var(--header-h) + 34px) 8vw 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}
.mobile-menu.open { opacity: 1; pointer-events: auto; }
.mobile-menu a {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  padding: 13px 4px;
  border-bottom: 1px solid var(--line-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.mobile-menu a em { font-style: normal; font-size: 0.8rem; color: var(--red); letter-spacing: 0.2em; }
.mobile-menu .btn { margin-top: 26px; justify-content: center; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: calc(var(--header-h) + 74px) 0 0;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(620px 420px at 82% 18%, rgba(255, 46, 62, 0.26), transparent 65%),
    radial-gradient(500px 380px at 8% 88%, rgba(255, 176, 32, 0.1), transparent 60%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: auto, auto, 46px 46px, 46px 46px;
  pointer-events: none;
}
.hero-inner { position: relative; }

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
  padding-bottom: 88px;
}
.hero .eyebrow { color: rgba(255, 255, 255, 0.6); }
.hero h1 { color: #fff; }
.hero h1 em {
  font-style: normal;
  color: var(--red);
  position: relative;
  white-space: nowrap;
}
.hero h1 em::after {
  content: "";
  position: absolute;
  left: 4px; right: 4px; bottom: 2px;
  height: 12px;
  background: rgba(255, 46, 62, 0.22);
  border-radius: 4px;
  z-index: -1;
}
.hero .lead { color: rgba(255, 255, 255, 0.72); margin: 22px 0 30px; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 8px 22px; }
.hero-points li {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.88rem;
  color: rgba(255, 255, 255, 0.68);
}
.hero-points svg { width: 15px; height: 15px; color: var(--red); }

/* Hero 右侧视觉：叠层卡片 */
.hero-visual { position: relative; min-height: 470px; }
.hv-card {
  position: absolute;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--ink-2);
  border: 1px solid var(--line-dark);
  box-shadow: var(--shadow-lg);
}
.hv-card img { width: 100%; height: 100%; object-fit: cover; opacity: 0.9; }
.hv-main { width: 62%; height: 330px; right: 0; top: 0; }
.hv-a { width: 46%; height: 210px; left: 0; bottom: 74px; }
.hv-b { width: 38%; height: 150px; right: 8%; bottom: 0; }
.hv-badge {
  position: absolute;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 10px;
  background: rgba(16, 16, 20, 0.86);
  backdrop-filter: blur(8px);
  border: 1px solid var(--line-dark);
  border-radius: 14px;
  padding: 11px 16px;
  font-size: 0.82rem;
  font-weight: 700;
  color: #fff;
}
.hv-badge .live {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 0 rgba(255, 46, 62, 0.6);
  animation: pulse 1.8s infinite;
}
.hv-badge small { display: block; color: rgba(255, 255, 255, 0.55); font-weight: 500; }
.hv-tag1 { left: 4%; top: 26px; animation: floaty 5s ease-in-out infinite; }
.hv-tag2 { right: -6px; bottom: 190px; animation: floaty 6s ease-in-out 0.8s infinite; }

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(255, 46, 62, 0.55); }
  70% { box-shadow: 0 0 0 12px rgba(255, 46, 62, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 46, 62, 0); }
}
@keyframes floaty {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-9px); }
}

/* 跑马灯热点条 */
.ticker {
  position: relative;
  background: var(--red);
  overflow: hidden;
  padding: 15px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}
.ticker-track {
  display: flex;
  gap: 54px;
  width: max-content;
  animation: marquee 26s linear infinite;
}
.ticker:hover .ticker-track { animation-play-state: paused; }
.ticker-track span {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.ticker-track span::before {
  content: "●";
  font-size: 0.6rem;
  opacity: 0.75;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ---------- 信任背书条 ---------- */
.trustbar { background: var(--ink); color: #fff; border-bottom: 1px solid var(--line-dark); }
.trustbar-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
  padding: 30px 0;
}
.trustbar-label { font-size: 0.82rem; letter-spacing: 0.22em; color: rgba(255, 255, 255, 0.5); font-weight: 700; }
.trust-logos { display: flex; flex-wrap: wrap; gap: 12px 30px; }
.trust-logos span {
  font-weight: 800;
  font-size: 1.02rem;
  color: rgba(255, 255, 255, 0.62);
  letter-spacing: 0.02em;
  transition: color 0.2s ease;
}
.trust-logos span:hover { color: #fff; }
.trust-logos span::after { content: "/"; color: var(--red); margin-left: 30px; opacity: 0.5; }
.trust-logos span:last-child::after { content: ""; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  background: var(--ink);
  color: #fff;
  padding: 46px 0;
  border-bottom: 1px solid var(--line-dark);
}
.stat { text-align: center; position: relative; }
.stat + .stat::before {
  content: "";
  position: absolute;
  left: 0; top: 14%;
  height: 72%;
  width: 1px;
  background: var(--line-dark);
}
.stat b {
  display: block;
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  font-weight: 900;
  letter-spacing: -0.02em;
}
.stat b i { font-style: normal; color: var(--red); }
.stat span { font-size: 0.88rem; color: rgba(255, 255, 255, 0.6); }

/* ---------- 区块 ---------- */
.section { padding: 104px 0; position: relative; }
.section-alt { background: var(--paper); }
.section-ink { background: var(--ink); color: #fff; }
.section-ink h2, .section-ink h3 { color: #fff; }
.section-ink .lead { color: rgba(255, 255, 255, 0.68); }
.section-ink .eyebrow { color: rgba(255, 255, 255, 0.55); }
.section-tight { padding: 84px 0; }

/* 大字水印 */
.outline-word {
  position: absolute;
  font-size: clamp(4rem, 12vw, 9rem);
  font-weight: 900;
  letter-spacing: 0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(16, 16, 20, 0.09);
  line-height: 1;
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
  z-index: 0;
}
.section-ink .outline-word { -webkit-text-stroke: 1px rgba(255, 255, 255, 0.1); }
.pos-right { right: 3vw; top: -18px; }
.pos-left { left: 3vw; top: -18px; }

/* ---------- 内页 Hero ---------- */
.page-hero {
  position: relative;
  background: var(--ink);
  color: #fff;
  padding: calc(var(--header-h) + 78px) 0 76px;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(560px 380px at 90% 10%, rgba(255, 46, 62, 0.24), transparent 62%),
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: auto, 46px 46px, 46px 46px;
}
.page-hero .inner { position: relative; max-width: 780px; }
.page-hero h1 { color: #fff; margin-bottom: 16px; }
.page-hero .lead { color: rgba(255, 255, 255, 0.7); }
.crumbs { display: flex; gap: 10px; font-size: 0.84rem; color: rgba(255, 255, 255, 0.55); margin-bottom: 22px; }
.crumbs a:hover { color: #fff; }
.crumbs li + li::before { content: "/"; margin-right: 10px; opacity: 0.4; }

/* ---------- 核心优势卡 ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 40px; align-items: center; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.adv-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 38px 30px 34px;
  transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease;
  overflow: hidden;
}
.adv-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--red), var(--amber));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
}
.adv-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.adv-card:hover::before { transform: scaleX(1); }
.adv-num {
  font-size: 2.4rem;
  font-weight: 900;
  color: transparent;
  -webkit-text-stroke: 1.6px var(--red);
  line-height: 1;
  margin-bottom: 20px;
  display: block;
}
.adv-card h3 { margin-bottom: 10px; }
.adv-card p { color: var(--muted); font-size: 0.95rem; }
.adv-icon {
  width: 52px; height: 52px;
  border-radius: 15px;
  background: var(--red-soft);
  color: var(--red-deep);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.adv-icon svg { width: 26px; height: 26px; }

/* ---------- 服务卡 ---------- */
.svc-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}
.svc-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.svc-media { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.svc-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.svc-card:hover .svc-media img { transform: scale(1.06); }
.svc-media .tag {
  position: absolute;
  top: 14px; left: 14px;
  background: rgba(16, 16, 20, 0.82);
  color: #fff;
  backdrop-filter: blur(6px);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 12px;
  border-radius: 999px;
}
.svc-body { padding: 26px 26px 30px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.svc-body h3 { font-size: 1.16rem; }
.svc-body p { color: var(--muted); font-size: 0.93rem; flex: 1; }
.svc-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--red-deep);
  font-weight: 700;
  font-size: 0.9rem;
}
.svc-link svg { width: 15px; height: 15px; transition: transform 0.2s ease; }
.svc-link:hover svg { transform: translateX(4px); }

/* ---------- 评价卡 ---------- */
.quote-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 34px 30px;
  position: relative;
  transition: transform 0.28s ease, box-shadow 0.28s ease;
}
.quote-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.quote-card .qmark {
  position: absolute;
  top: 18px; right: 26px;
  font-size: 4.6rem;
  font-weight: 900;
  color: var(--red-soft);
  line-height: 1;
  font-family: Georgia, serif;
}
.quote-stars { display: flex; gap: 3px; color: var(--amber); margin-bottom: 16px; }
.quote-stars svg { width: 17px; height: 17px; }
.quote-card blockquote { font-size: 0.98rem; color: var(--text); margin-bottom: 24px; }
.quote-who { display: flex; align-items: center; gap: 13px; }
.avatar {
  width: 46px; height: 46px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 900;
  font-size: 1rem;
  color: #fff;
  flex: none;
}
.avatar.c1 { background: linear-gradient(135deg, var(--red), #ff6a3d); }
.avatar.c2 { background: linear-gradient(135deg, #1d1d24, #4b4b58); }
.avatar.c3 { background: linear-gradient(135deg, var(--red-deep), var(--amber)); }
.quote-who b { display: block; color: var(--ink); font-size: 0.95rem; }
.quote-who span { font-size: 0.8rem; color: var(--muted); }

/* ---------- 关于预览 / 分栏图文 ---------- */
.split-media { position: relative; }
.split-media .m1 { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.split-media .m2 {
  position: absolute;
  right: -6%;
  bottom: -46px;
  width: 46%;
  border-radius: var(--radius);
  overflow: hidden;
  border: 6px solid #fff;
  box-shadow: var(--shadow-lg);
}
.split-media img { width: 100%; height: 100%; object-fit: cover; }
.float-chip {
  position: absolute;
  left: -4%;
  top: -26px;
  background: var(--ink);
  color: #fff;
  border-radius: 16px;
  padding: 16px 22px;
  font-weight: 800;
  box-shadow: var(--shadow-lg);
}
.float-chip b { color: var(--red); font-size: 1.5rem; display: block; line-height: 1.1; }
.float-chip span { font-size: 0.78rem; color: rgba(255, 255, 255, 0.65); font-weight: 500; }

.check-list li {
  display: flex;
  gap: 14px;
  margin-bottom: 22px;
}
.check-list .ci {
  width: 40px; height: 40px;
  flex: none;
  border-radius: 12px;
  background: var(--red-soft);
  color: var(--red-deep);
  display: grid;
  place-items: center;
  font-weight: 900;
}
.check-list b { display: block; color: var(--ink); margin-bottom: 2px; }
.check-list p { color: var(--muted); font-size: 0.92rem; }

/* ---------- 流程步骤 ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: step; position: relative; }
.step {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 24px;
}
.step .s-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  font-weight: 900;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
  position: relative;
}
.step .s-num::after {
  content: "";
  position: absolute;
  top: 50%; left: calc(100% + 22px);
  width: 22px;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--red) 0 5px, transparent 5px 10px);
}
.step:last-child .s-num::after { display: none; }
.step h3 { font-size: 1.06rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: 0.9rem; }
.section-alt .step { background: #fff; }
.section:not(.section-alt):not(.section-ink) .step { background: var(--paper); }

/* ---------- FAQ ---------- */
.faq { max-width: 820px; margin: 0 auto; }
.faq details {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: box-shadow 0.25s ease, border-color 0.25s ease;
}
.faq details[open] { box-shadow: var(--shadow); border-color: rgba(255, 46, 62, 0.35); }
.faq summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 22px 26px;
  font-weight: 700;
  color: var(--ink);
  font-size: 1.02rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary .fi {
  flex: none;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--paper);
  display: grid;
  place-items: center;
  position: relative;
  transition: background 0.25s ease, transform 0.25s ease;
}
.faq summary .fi::before,
.faq summary .fi::after {
  content: "";
  position: absolute;
  background: var(--ink);
  border-radius: 2px;
  transition: transform 0.25s ease, background 0.25s ease;
}
.faq summary .fi::before { width: 12px; height: 2px; }
.faq summary .fi::after { width: 2px; height: 12px; }
.faq details[open] summary .fi { background: var(--red); transform: rotate(90deg); }
.faq details[open] summary .fi::before,
.faq details[open] summary .fi::after { background: #fff; }
.faq details[open] summary .fi::after { transform: scaleY(0); }
.faq .faq-body { padding: 0 26px 24px; color: var(--muted); font-size: 0.95rem; max-width: 680px; }

/* ---------- 作品筛选 & 卡片 ---------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 42px; }
.chip {
  border: 1.5px solid var(--line);
  background: #fff;
  color: var(--text);
  border-radius: 999px;
  padding: 10px 22px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: all 0.22s ease;
}
.chip:hover { border-color: var(--red); color: var(--red-deep); }
.chip.active { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip .cnt { font-size: 0.76rem; opacity: 0.55; margin-left: 5px; }

.works-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.work-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.28s ease, box-shadow 0.28s ease, opacity 0.3s ease;
  display: flex;
  flex-direction: column;
}
.work-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.work-card.hide { display: none; }
.work-media { position: relative; aspect-ratio: 16/11; overflow: hidden; }
.work-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.work-card:hover .work-media img { transform: scale(1.07); }
.work-cat {
  position: absolute;
  top: 14px; left: 14px;
  background: var(--red);
  color: #fff;
  font-size: 0.74rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  padding: 6px 13px;
  border-radius: 999px;
}
.work-body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
.work-body h3 { font-size: 1.08rem; }
.work-body p { color: var(--muted); font-size: 0.9rem; flex: 1; }
.work-metrics { display: flex; gap: 18px; padding-top: 14px; border-top: 1px dashed var(--line); }
.work-metrics span { font-size: 0.8rem; color: var(--muted); }
.work-metrics b { color: var(--ink); font-size: 0.92rem; }

/* ---------- CTA 横幅 ---------- */
.cta-band {
  position: relative;
  background: linear-gradient(120deg, var(--red-deep), var(--red) 55%, #ff5a3c);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 64px 8vw;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  flex-wrap: wrap;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(420px 260px at 88% 20%, rgba(255, 255, 255, 0.22), transparent 60%),
    linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  background-size: auto, 40px 40px, 40px 40px;
}
.cta-band h2 { color: #fff; margin-bottom: 10px; position: relative; }
.cta-band p { color: rgba(255, 255, 255, 0.85); position: relative; }
.cta-band .cta-actions { position: relative; display: flex; gap: 14px; flex-wrap: wrap; }
.cta-wrap { margin-top: 80px; }

/* ---------- 时间线（品牌故事） ---------- */
.timeline { position: relative; padding-left: 34px; }
.timeline::before {
  content: "";
  position: absolute;
  left: 8px; top: 6px; bottom: 6px;
  width: 2px;
  background: linear-gradient(var(--red), var(--line));
}
.timeline li { position: relative; margin-bottom: 34px; }
.timeline li::before {
  content: "";
  position: absolute;
  left: -33px; top: 7px;
  width: 14px; height: 14px;
  border-radius: 50%;
  background: #fff;
  border: 3.5px solid var(--red);
}
.timeline b { color: var(--ink); font-size: 1.05rem; }
.timeline .year { color: var(--red-deep); font-weight: 900; margin-right: 10px; }
.timeline p { color: var(--muted); font-size: 0.94rem; margin-top: 4px; }

/* ---------- 联系页 ---------- */
.contact-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 44px; align-items: start; }
.form-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 42px;
  box-shadow: var(--shadow);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 700; font-size: 0.9rem; color: var(--ink); }
.field label i { color: var(--red); font-style: normal; }
.field input,
.field textarea {
  border: 1.5px solid var(--line);
  background: var(--paper);
  border-radius: 13px;
  padding: 14px 16px;
  font-size: 0.96rem;
  font-family: inherit;
  color: var(--ink);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  width: 100%;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--red);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(255, 46, 62, 0.12);
}
.field .err { font-size: 0.8rem; color: var(--red-deep); display: none; }
.field.invalid input,
.field.invalid textarea { border-color: var(--red-deep); }
.field.invalid .err { display: block; }
.form-note { font-size: 0.82rem; color: var(--muted); margin-top: 14px; }
.form-success {
  display: none;
  background: #ecfdf1;
  border: 1px solid #b6e7c8;
  color: #116b38;
  border-radius: 14px;
  padding: 16px 20px;
  font-weight: 600;
  margin-bottom: 22px;
}
.form-success.show { display: flex; gap: 10px; align-items: center; }

.info-card {
  background: var(--ink);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 38px 34px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.info-item { display: flex; gap: 16px; align-items: flex-start; }
.info-item .ic {
  width: 44px; height: 44px;
  flex: none;
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  color: var(--red);
}
.info-item .ic svg { width: 21px; height: 21px; }
.info-item b { display: block; font-size: 0.95rem; margin-bottom: 3px; }
.info-item span, .info-item a { font-size: 0.9rem; color: rgba(255, 255, 255, 0.68); }
.info-item a:hover { color: var(--red); }
.info-divide { height: 1px; background: var(--line-dark); }
.socials { display: flex; gap: 11px; }
.socials a {
  width: 42px; height: 42px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.08);
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.75);
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}
.socials a:hover { background: var(--red); color: #fff; transform: translateY(-3px); }
.socials svg { width: 19px; height: 19px; }

.map-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  margin-top: 26px;
  height: 430px;
  background: var(--ink);
}
#tmapContainer { width: 100%; height: 100%; }
.map-fallback {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
  text-align: center;
  color: #fff;
  padding: 30px;
  background:
    radial-gradient(420px 300px at 50% 40%, rgba(255, 46, 62, 0.18), transparent 65%),
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: auto, 38px 38px, 38px 38px;
}
.map-fallback.hide { display: none; }
.map-fallback .pin { width: 52px; height: 52px; color: var(--red); animation: floaty 3s ease-in-out infinite; }
.map-fallback b { font-size: 1.15rem; }
.map-fallback span { color: rgba(255, 255, 255, 0.65); font-size: 0.9rem; max-width: 420px; }
.map-fallback .btn { margin-top: 8px; }

.hours-table { width: 100%; font-size: 0.9rem; }
.hours-table td { padding: 7px 0; color: rgba(255, 255, 255, 0.72); }
.hours-table td:last-child { text-align: right; color: #fff; font-weight: 600; }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, 0.68); }
.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 44px;
  padding: 74px 0 54px;
}
.footer-brand .brand-text strong { color: #fff; }
.footer-brand p { font-size: 0.92rem; margin: 18px 0 22px; max-width: 300px; }
.site-footer h4 { color: #fff; font-size: 0.95rem; letter-spacing: 0.1em; margin-bottom: 20px; }
.footer-links li { margin-bottom: 11px; }
.footer-links a { font-size: 0.92rem; transition: color 0.2s ease, padding-left 0.2s ease; }
.footer-links a:hover { color: var(--red); padding-left: 5px; }
.footer-contact li { display: flex; gap: 11px; margin-bottom: 13px; font-size: 0.9rem; align-items: flex-start; }
.footer-contact svg { width: 17px; height: 17px; color: var(--red); flex: none; margin-top: 4px; }
.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding: 24px 0;
  display: flex;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.45);
}
.footer-bottom a:hover { color: #fff; }

/* 返回顶部 */
.to-top {
  position: fixed;
  right: 26px; bottom: 26px;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 0;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity 0.25s ease, transform 0.25s ease, background 0.2s ease;
  z-index: 900;
}
.to-top.show { opacity: 1; pointer-events: auto; transform: translateY(0); }
.to-top:hover { background: var(--red); }
.to-top svg { width: 19px; height: 19px; }

/* ---------- 动效 ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
.d1 { transition-delay: 0.08s; } .d2 { transition-delay: 0.16s; } .d3 { transition-delay: 0.24s; }
.d4 { transition-delay: 0.32s; } .d5 { transition-delay: 0.4s; }

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

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
  .grid-3, .works-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .step .s-num::after { display: none; }
  .hero-grid { grid-template-columns: 1fr; gap: 60px; }
  .hero-visual { min-height: 420px; max-width: 560px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat + .stat::before { display: none; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .main-nav { display: none; }
  .nav-toggle { display: block; }
  .header-cta { display: none; }
}

@media (max-width: 720px) {
  .section { padding: 76px 0; }
  .grid-2 { grid-template-columns: 1fr; gap: 60px; }
  .grid-3, .grid-4, .works-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 30px 24px; }
  .hero { padding-top: calc(var(--header-h) + 44px); }
  .hero-grid { padding-bottom: 60px; }
  .hero-visual { min-height: 340px; }
  .hv-main { height: 240px; }
  .hv-a { height: 160px; bottom: 58px; }
  .hv-b { display: none; }
  .split-media .m2 { right: 0; bottom: -34px; }
  .float-chip { left: 0; top: -18px; }
  .cta-band { padding: 50px 7vw; }
  .footer-top { grid-template-columns: 1fr; gap: 34px; padding: 56px 0 40px; }
  .trustbar-inner { padding: 24px 0; }
  .trust-logos span::after { margin-left: 16px; }
  .trust-logos span::after { content: ""; }
  .page-hero { padding: calc(var(--header-h) + 52px) 0 56px; }
  .map-wrap { height: 340px; }
  .to-top { right: 16px; bottom: 16px; }
}