/* ============================================================
   锻音 DUANYIN — 沉浸式音乐运动表演剧 · 官方网站设计系统
   设计语言：舞台光影 × 金属锻打 × 音乐律动
   规范：纯本地资源（无外站请求，符合国内网络环境）、移动优先、
        简体中文、系统字体栈（不引用 Google Fonts）
   ============================================================ */

/* ---------- 设计令牌 ---------- */
:root {
  --ink: #0e1015;          /* 舞台暗场 */
  --ink-2: #151824;        /* 暗场抬升 */
  --ink-3: #1f2331;        /* 暗场卡片 */
  --gold: #d9a94f;         /* 锻金主色 */
  --gold-2: #f2c66d;       /* 亮金 */
  --gold-deep: #a87f2e;    /* 深金 */
  --gold-soft: rgba(217, 169, 79, 0.12);
  --crimson: #c0392b;      /* 行动色（购票） */
  --crimson-2: #d84c32;
  --paper: #faf7f1;        /* 暖白纸面 */
  --paper-2: #f2ecdf;      /* 米色分区 */
  --card: #ffffff;
  --text: #23252d;
  --text-2: #5d6172;
  --text-3: #8b8f9e;
  --line: #e8e0d0;
  --line-dark: rgba(217, 169, 79, 0.22);
  --radius: 18px;
  --radius-sm: 12px;
  --shadow: 0 12px 32px rgba(23, 24, 32, 0.08);
  --shadow-lg: 0 24px 60px rgba(23, 24, 32, 0.14);
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei",
    "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --header-h: 72px;
}

/* ---------- 基础重置 ---------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--paper);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
}
img, video, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
::selection { background: var(--gold); color: var(--ink); }

.container { width: min(1200px, 92vw); margin-inline: auto; }
.container--narrow { width: min(860px, 92vw); margin-inline: auto; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 200;
  background: var(--gold); color: var(--ink); padding: 10px 18px;
  font-weight: 600; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- 排版 ---------- */
h1, h2, h3, h4 { line-height: 1.3; font-weight: 700; }
.kicker {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; letter-spacing: 0.35em; color: var(--gold-deep);
  font-weight: 600; text-transform: uppercase;
}
.kicker::before { content: ""; width: 34px; height: 1px; background: var(--gold); }
.section--dark .kicker { color: var(--gold-2); }
.section { padding: clamp(64px, 8vw, 110px) 0; }
.section--paper2 { background: var(--paper-2); }
.section--dark { background: var(--ink); color: #e9e6df; }
.section--dark h2, .section--dark h3 { color: #fff; }
.section-head { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }
.section-head .kicker { margin-bottom: 14px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 40px); margin-bottom: 14px; }
.section-head p { color: var(--text-2); font-size: 17px; }
.section--dark .section-head p { color: #a9aebd; }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .kicker::before { display: none; }
.lead { font-size: 18px; color: var(--text-2); }
.section--dark .lead { color: #a9aebd; }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; border-radius: 999px; font-size: 15px; font-weight: 600;
  letter-spacing: 0.06em; transition: all 0.35s var(--ease);
  border: 1px solid transparent; white-space: nowrap;
}
.btn svg { width: 17px; height: 17px; }
.btn--gold { background: linear-gradient(135deg, var(--gold-2), var(--gold)); color: var(--ink); box-shadow: 0 8px 24px rgba(217, 169, 79, 0.35); }
.btn--gold:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(217, 169, 79, 0.5); }
.btn--crimson { background: linear-gradient(135deg, var(--crimson-2), var(--crimson)); color: #fff; box-shadow: 0 8px 24px rgba(192, 57, 43, 0.35); }
.btn--crimson:hover { transform: translateY(-2px); box-shadow: 0 12px 32px rgba(192, 57, 43, 0.5); }
.btn--ghost { border-color: rgba(255, 255, 255, 0.4); color: #fff; }
.btn--ghost:hover { border-color: var(--gold-2); color: var(--gold-2); background: rgba(217, 169, 79, 0.08); }
.btn--outline { border-color: var(--gold); color: var(--gold-deep); background: transparent; }
.btn--outline:hover { background: var(--gold); color: var(--ink); }
.btn--sm { padding: 9px 20px; font-size: 14px; }
.btn--lg { padding: 16px 36px; font-size: 16px; }
.btn--block { width: 100%; }

/* ---------- 顶部导航 ---------- */
.site-header {
  position: fixed; inset: 0 0 auto 0; z-index: 100; height: var(--header-h);
  display: flex; align-items: center;
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease), backdrop-filter 0.4s;
  background: linear-gradient(to bottom, rgba(14, 16, 21, 0.55), transparent);
}
.site-header.scrolled { background: rgba(14, 16, 21, 0.92); backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--line-dark); }
.header-inner { display: flex; align-items: center; gap: 28px; width: min(1280px, 94vw); margin-inline: auto; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--gold-2), var(--gold-deep));
  color: var(--ink); font-weight: 800; font-size: 19px;
  box-shadow: 0 4px 14px rgba(217, 169, 79, 0.4);
}
/* 真实 logo 徽章版：横长比例，锻金描边，适配深色 header */
.brand-mark--img {
  width: auto; height: 34px; background: none; box-shadow: none; display: block;
  border-radius: 0;
}
.brand-mark--img picture { display: block; height: 34px; }
.brand-mark--img img {
  display: block; height: 34px; width: auto;
  border-radius: 9px; filter: drop-shadow(0 3px 10px rgba(0, 0, 0, 0.55));
}
.brand-text { color: #fff; font-size: 19px; font-weight: 700; letter-spacing: 0.12em; line-height: 1.1; }
.brand-text em { display: block; font-style: normal; font-size: 10px; letter-spacing: 0.3em; color: var(--gold-2); font-weight: 500; }
.main-nav { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.main-nav a {
  position: relative; color: rgba(255, 255, 255, 0.82); font-size: 15px;
  padding: 8px 13px; border-radius: 8px; transition: color 0.25s;
}
.main-nav a::after {
  content: ""; position: absolute; left: 13px; right: 13px; bottom: 3px;
  height: 2px; background: var(--gold); transform: scaleX(0); transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.main-nav a:hover, .main-nav a.active { color: #fff; }
.main-nav a:hover::after, .main-nav a.active::after { transform: scaleX(1); }
.main-nav a.nav-cta {
  background: rgba(217, 169, 79, 0.14); border: 1px solid var(--line-dark);
  color: var(--gold-2); margin-left: 8px; border-radius: 999px; padding: 8px 18px;
}
.main-nav a.nav-cta::after { display: none; }
.main-nav a.nav-cta:hover { background: var(--gold); color: var(--ink); }
.header-ticket { flex-shrink: 0; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: auto; }
.nav-toggle span { width: 24px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.3s var(--ease); }
.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); }

/* ---------- 首屏 Hero ---------- */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  background: var(--ink); color: #fff; overflow: hidden;
  padding: calc(var(--header-h) + 40px) 0 60px;
}
.hero__bg { position: absolute; inset: 0; pointer-events: none; }
/* 舞台顶光 */
.hero__bg::before {
  content: ""; position: absolute; top: -30%; left: 50%; transform: translateX(-50%);
  width: 120vw; height: 90vh;
  background: radial-gradient(ellipse 60% 55% at 50% 0%, rgba(242, 198, 109, 0.22), transparent 65%);
}
/* 地面反光 */
.hero__bg::after {
  content: ""; position: absolute; bottom: -20%; left: 50%; transform: translateX(-50%);
  width: 100vw; height: 50vh;
  background: radial-gradient(ellipse 55% 60% at 50% 100%, rgba(192, 57, 43, 0.14), transparent 70%);
}
.beam {
  position: absolute; top: -12%; width: 15vw; height: 130%;
  background: linear-gradient(to bottom, rgba(242, 198, 109, 0.5), transparent 78%);
  filter: blur(14px); opacity: 0.5; transform-origin: top center;
  animation: beamSway 9s ease-in-out infinite alternate;
}
.beam--1 { left: 8%; transform: rotate(16deg); }
.beam--2 { left: 34%; transform: rotate(-7deg); animation-delay: -3s; opacity: 0.34; }
.beam--3 { right: 10%; transform: rotate(-16deg); animation-delay: -6s; }
.beam--4 { right: 36%; transform: rotate(7deg); animation-delay: -1.5s; opacity: 0.28; }
@keyframes beamSway {
  from { transform: rotate(var(--r, 12deg)) translateX(-1.5vw); }
  to { transform: rotate(var(--r, 12deg)) translateX(1.5vw); }
}
.grain {
  position: absolute; inset: 0; opacity: 0.5; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)' opacity='0.32'%3E%3C/rect%3E%3C/svg%3E");
}
.hero__inner { position: relative; z-index: 2; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 26px; }
.hero .kicker { color: var(--gold-2); }
.hero .kicker::before, .hero .kicker::after { content: ""; width: 34px; height: 1px; background: var(--gold); }
.hero__title {
  font-size: clamp(64px, 12vw, 148px); font-weight: 900; letter-spacing: 0.08em;
  line-height: 1.05;
  background: linear-gradient(180deg, #fdf3dc 12%, var(--gold-2) 45%, var(--gold-deep) 88%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 6px 30px rgba(217, 169, 79, 0.35));
}
.hero__sub { font-size: clamp(15px, 1.8vw, 19px); letter-spacing: 0.14em; color: rgba(255, 255, 255, 0.85); font-weight: 300; }
.hero__sub strong { color: var(--gold-2); font-weight: 600; }
.hero__tagline { font-size: clamp(17px, 2.2vw, 23px); color: rgba(255, 255, 255, 0.92); font-weight: 300; letter-spacing: 0.05em; }
.hero__premiere {
  display: inline-flex; align-items: center; gap: 14px; padding: 10px 24px;
  border: 1px solid var(--line-dark); border-radius: 999px;
  background: rgba(217, 169, 79, 0.08); font-size: 15px; letter-spacing: 0.12em;
}
.hero__premiere b { color: var(--gold-2); font-size: 17px; letter-spacing: 0.08em; }
.hero__premiere .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--crimson-2); box-shadow: 0 0 12px var(--crimson-2); animation: pulse 1.6s infinite; }
@keyframes pulse { 50% { opacity: 0.35; } }
.countdown { display: flex; align-items: center; gap: 12px; }
.countdown__cell { min-width: 76px; padding: 12px 10px 10px; border-radius: 14px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); backdrop-filter: blur(6px); }
.countdown__cell b { display: block; font-size: 34px; font-weight: 800; color: var(--gold-2); font-variant-numeric: tabular-nums; line-height: 1.1; }
.countdown__cell span { font-size: 12px; color: rgba(255, 255, 255, 0.6); letter-spacing: 0.2em; }
.countdown__sep { font-size: 26px; color: var(--gold); font-weight: 700; padding-bottom: 14px; }
.hero__cta { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; margin-top: 6px; }
.hero__video-slot {
  position: relative; width: min(920px, 92vw); aspect-ratio: 16 / 7; border-radius: 20px;
  border: 1px dashed rgba(242, 198, 109, 0.4); overflow: hidden;
  background:
    radial-gradient(ellipse at 50% 120%, rgba(192, 57, 43, 0.22), transparent 60%),
    radial-gradient(ellipse at 50% -20%, rgba(242, 198, 109, 0.16), transparent 55%),
    var(--ink-2);
  display: grid; place-items: center; text-align: center; gap: 10px;
}
.hero__video-slot .play {
  width: 64px; height: 64px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--line-dark); background: rgba(217, 169, 79, 0.1); color: var(--gold-2);
  transition: all 0.35s var(--ease);
}
.hero__video-slot .play svg { width: 22px; height: 22px; margin-left: 3px; }
.hero__video-slot:hover .play { background: var(--gold); color: var(--ink); transform: scale(1.08); }
.hero__video-slot p { font-size: 14px; color: rgba(255, 255, 255, 0.65); letter-spacing: 0.1em; }
.hero__video-slot small { font-size: 12px; color: rgba(255, 255, 255, 0.4); }
.scroll-hint {
  position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
  font-size: 11px; letter-spacing: 0.3em; color: rgba(255, 255, 255, 0.5);
}
.scroll-hint::after {
  content: ""; width: 1px; height: 44px;
  background: linear-gradient(to bottom, var(--gold), transparent);
  animation: drop 1.8s var(--ease) infinite;
}
@keyframes drop { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* ---------- 关键词跑马灯 ---------- */
.marquee { background: var(--ink-2); border-block: 1px solid var(--line-dark); overflow: hidden; padding: 16px 0; }
.marquee__track { display: flex; gap: 56px; width: max-content; animation: marquee 30s linear infinite; }
.marquee span { color: var(--gold-2); font-size: 15px; letter-spacing: 0.22em; white-space: nowrap; opacity: 0.85; }
.marquee span i { font-style: normal; color: rgba(255, 255, 255, 0.28); margin-right: 56px; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* ---------- 卡片与网格 ---------- */
.grid { display: grid; gap: 26px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card); border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
  display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.card__media { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.card__media .ph { width: 100%; height: 100%; border-radius: 0; border: none; }
.card__badge {
  position: absolute; top: 12px; left: 12px; padding: 4px 12px; border-radius: 999px;
  background: rgba(14, 16, 21, 0.72); color: var(--gold-2); font-size: 12px;
  letter-spacing: 0.1em; backdrop-filter: blur(4px);
}
.card__body { padding: 22px 24px 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card__title { font-size: 18px; }
.card__text { font-size: 14px; color: var(--text-2); flex: 1; }
.card__meta { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 13px; color: var(--text-3); }
.card__meta b { color: var(--crimson); font-weight: 700; }
.card__link { font-size: 14px; color: var(--gold-deep); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.card__link svg { width: 14px; height: 14px; transition: transform 0.3s var(--ease); }
.card__link:hover svg { transform: translateX(4px); }

/* 图片/视频占位框 */
.ph {
  display: grid; place-items: center; gap: 8px; text-align: center;
  border: 1px dashed var(--line); border-radius: var(--radius-sm);
  background:
    linear-gradient(135deg, rgba(217, 169, 79, 0.07), rgba(192, 57, 43, 0.05)),
    var(--paper-2);
  color: var(--text-3); padding: 18px;
}
.ph svg { width: 30px; height: 30px; color: var(--gold); }
.ph b { font-size: 14px; color: var(--text-2); font-weight: 600; }
.ph small { font-size: 12px; line-height: 1.5; }
.section--dark .ph { background: var(--ink-3); border-color: rgba(255, 255, 255, 0.14); color: #8b8f9e; }

/* 真实图片位（替换 .ph 占位框使用） */
.ph--img { border: none; padding: 0; background: none; }
.ph--img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.ph--overlay { position: relative; }
.card__media--overlay::after,
.ph--overlay::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: linear-gradient(to top, rgba(14, 16, 21, .74) 0%, rgba(14, 16, 21, .18) 44%, transparent 72%);
}

/* 首屏主视觉：图片铺满 + 底部压暗，保证文字可读 */
.hero__visual { position: absolute; inset: 0; overflow: hidden; }
.hero__visual img { width: 100%; height: 100%; object-fit: cover; opacity: .5; }
.hero__visual::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 50% 45%, transparent 20%, rgba(14, 16, 21, .82) 100%),
    linear-gradient(to top, var(--ink) 2%, rgba(14, 16, 21, .45) 45%, rgba(14, 16, 21, .7) 100%);
}

/* 图标特性卡 */
.feature { padding: 30px 28px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); transition: all 0.4s var(--ease); }
.feature:hover { border-color: var(--gold); transform: translateY(-4px); box-shadow: var(--shadow); }
.feature__icon {
  width: 52px; height: 52px; border-radius: 14px; display: grid; place-items: center;
  background: var(--gold-soft); color: var(--gold-deep); margin-bottom: 18px;
}
.feature__icon svg { width: 24px; height: 24px; }
.feature h3 { font-size: 19px; margin-bottom: 10px; }
.feature p { font-size: 14.5px; color: var(--text-2); }
.section--dark .feature { background: var(--ink-3); border-color: rgba(255, 255, 255, 0.09); }
.section--dark .feature h3 { color: #fff; }
.section--dark .feature p { color: #a9aebd; }
.section--dark .feature__icon { background: rgba(217, 169, 79, 0.14); color: var(--gold-2); }

/* ---------- 标签 /  chips ---------- */
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  padding: 4px 13px; border-radius: 999px; font-size: 12.5px;
  background: var(--gold-soft); color: var(--gold-deep); border: 1px solid rgba(217, 169, 79, 0.25);
}
.tag--crimson { background: rgba(192, 57, 43, 0.08); color: var(--crimson); border-color: rgba(192, 57, 43, 0.22); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.chip {
  padding: 8px 20px; border-radius: 999px; font-size: 14px; border: 1px solid var(--line);
  background: var(--card); color: var(--text-2); transition: all 0.3s var(--ease);
}
.chip:hover { border-color: var(--gold); color: var(--gold-deep); }
.chip.active { background: var(--ink); border-color: var(--ink); color: var(--gold-2); }

/* ---------- 表格（排期） ---------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--line); background: var(--card); box-shadow: var(--shadow); }
table.sched { width: 100%; border-collapse: collapse; min-width: 860px; }
table.sched th {
  background: var(--ink); color: var(--gold-2); font-size: 13.5px; letter-spacing: 0.08em;
  padding: 15px 18px; text-align: left; white-space: nowrap; font-weight: 600;
}
table.sched td { padding: 17px 18px; border-top: 1px solid var(--line); font-size: 14.5px; vertical-align: middle; }
table.sched tr:hover td { background: rgba(217, 169, 79, 0.05); }
table.sched .show-name { font-weight: 700; white-space: nowrap; }
table.sched .price { color: var(--crimson); font-weight: 700; white-space: nowrap; }
table.sched .discount { color: var(--gold-deep); font-size: 13px; white-space: nowrap; }
.table-note { font-size: 13px; color: var(--text-3); margin-top: 12px; }

/* ---------- 票档 / 会员卡 ---------- */
.price-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.price-card {
  position: relative; padding: 30px 26px; border-radius: var(--radius); text-align: center;
  background: var(--card); border: 1px solid var(--line); transition: all 0.4s var(--ease);
}
.price-card:hover { transform: translateY(-6px); border-color: var(--gold); box-shadow: var(--shadow-lg); }
.price-card h3 { font-size: 17px; margin-bottom: 6px; }
.price-card .zone { font-size: 13px; color: var(--text-3); margin-bottom: 16px; }
.price-card .amount { font-size: 38px; font-weight: 800; color: var(--crimson); font-variant-numeric: tabular-nums; }
.price-card .amount::before { content: "¥"; font-size: 18px; margin-right: 4px; color: var(--text-3); }
.price-card ul { margin-top: 18px; display: flex; flex-direction: column; gap: 8px; font-size: 13.5px; color: var(--text-2); text-align: left; }
.price-card ul li { padding-left: 20px; position: relative; }
.price-card ul li::before { content: "✓"; position: absolute; left: 0; color: var(--gold-deep); font-weight: 700; }
.price-card--hot { background: var(--ink); border-color: var(--ink); color: #e9e6df; }
.price-card--hot h3 { color: #fff; }
.price-card--hot .zone { color: #a9aebd; }
.price-card--hot ul { color: #c6c9d4; }
.price-card--hot .amount { color: var(--gold-2); }
.price-card__flag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: linear-gradient(135deg, var(--crimson-2), var(--crimson)); color: #fff;
  font-size: 12px; padding: 4px 14px; border-radius: 999px; letter-spacing: 0.1em; white-space: nowrap;
}

.tier { position: relative; padding: 34px 30px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); display: flex; flex-direction: column; gap: 16px; transition: all 0.4s var(--ease); }
.tier:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.tier__badge { width: 58px; height: 58px; border-radius: 16px; display: grid; place-items: center; }
.tier__badge svg { width: 26px; height: 26px; }
.tier h3 { font-size: 21px; }
.tier .for { font-size: 13px; color: var(--text-3); }
.tier ul { display: flex; flex-direction: column; gap: 10px; font-size: 14.5px; color: var(--text-2); flex: 1; }
.tier ul li { padding-left: 24px; position: relative; }
.tier ul li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--gold-deep); font-weight: 700; }
.tier--silver .tier__badge { background: linear-gradient(135deg, #e8eaee, #b7bdc8); color: #4a4f5a; }
.tier--gold .tier__badge { background: linear-gradient(135deg, var(--gold-2), var(--gold-deep)); color: var(--ink); }
.tier--black { background: var(--ink); border-color: var(--ink); color: #e9e6df; }
.tier--black h3 { color: #fff; }
.tier--black .for { color: #a9aebd; }
.tier--black ul { color: #c6c9d4; }
.tier--black .tier__badge { background: linear-gradient(135deg, #2a2e3d, #10131c); color: var(--gold-2); border: 1px solid var(--line-dark); }
.tier--black ul li::before { color: var(--gold-2); }

/* ---------- 流程时间线 ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: step; }
.step { position: relative; padding: 28px 22px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.step__num {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  background: var(--ink); color: var(--gold-2); font-weight: 800; font-size: 17px; margin-bottom: 16px;
}
.step h3 { font-size: 16.5px; margin-bottom: 8px; }
.step p { font-size: 13.5px; color: var(--text-2); }

/* ---------- 表单 ---------- */
.form { display: grid; gap: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field label { font-size: 14px; font-weight: 600; color: var(--text); }
.field label i { font-style: normal; color: var(--crimson); margin-right: 2px; }
.field input, .field select, .field textarea {
  padding: 13px 16px; border: 1px solid var(--line); border-radius: var(--radius-sm);
  font-family: inherit; font-size: 15px; background: var(--card); color: var(--text);
  transition: border-color 0.3s, box-shadow 0.3s; width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--gold); box-shadow: 0 0 0 3px var(--gold-soft);
}
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: 13px; color: var(--text-3); }
.form-success {
  display: none; padding: 16px 20px; border-radius: var(--radius-sm);
  background: rgba(46, 125, 50, 0.08); border: 1px solid rgba(46, 125, 50, 0.3);
  color: #2e7d32; font-size: 14.5px;
}
.form-success.show { display: block; }

/* ---------- FAQ 折叠 ---------- */
.faq { display: flex; flex-direction: column; gap: 14px; }
.faq details {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-sm);
  overflow: hidden; transition: border-color 0.3s;
}
.faq details[open] { border-color: var(--gold); }
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 600; font-size: 16px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  background: var(--gold-soft); color: var(--gold-deep); display: grid; place-items: center;
  font-size: 18px; font-weight: 600; transition: transform 0.3s var(--ease);
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .answer { padding: 0 22px 20px; color: var(--text-2); font-size: 14.5px; }
.section--dark .faq details { background: var(--ink-3); border-color: rgba(255, 255, 255, 0.09); }
.section--dark .faq summary { color: #fff; }
.section--dark .faq .answer { color: #a9aebd; }

/* ---------- 面包屑 ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13.5px; color: rgba(255, 255, 255, 0.55); }
.breadcrumb a { color: rgba(255, 255, 255, 0.75); transition: color 0.25s; }
.breadcrumb a:hover { color: var(--gold-2); }
.breadcrumb span { color: var(--gold-2); }

/* ---------- 页面头部（内页 Hero） ---------- */
.page-hero {
  position: relative; padding: calc(var(--header-h) + 70px) 0 70px;
  background:
    radial-gradient(ellipse 70% 60% at 50% -10%, rgba(242, 198, 109, 0.16), transparent 65%),
    radial-gradient(ellipse 50% 50% at 85% 110%, rgba(192, 57, 43, 0.12), transparent 70%),
    var(--ink);
  color: #fff; overflow: hidden;
}
.page-hero::after {
  content: ""; position: absolute; inset: auto 0 0 0; height: 1px;
  background: linear-gradient(to right, transparent, var(--line-dark), transparent);
}
.page-hero .beam { opacity: 0.3; }
.page-hero__inner { position: relative; z-index: 2; display: flex; flex-direction: column; gap: 18px; }
.page-hero h1 { font-size: clamp(32px, 5vw, 54px); letter-spacing: 0.04em; }
.page-hero h1 em { font-style: normal; background: linear-gradient(135deg, var(--gold-2), var(--gold-deep)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.page-hero .lead { max-width: 760px; }
.page-hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 8px; }

/* ---------- 暗色 CTA 带 ---------- */
.band-cta {
  position: relative; overflow: hidden; text-align: center;
  background:
    radial-gradient(ellipse 60% 80% at 50% 120%, rgba(192, 57, 43, 0.25), transparent 65%),
    radial-gradient(ellipse 50% 60% at 50% -20%, rgba(242, 198, 109, 0.14), transparent 60%),
    var(--ink);
  color: #fff; padding: clamp(64px, 8vw, 100px) 0;
}
.band-cta h2 { font-size: clamp(26px, 3.6vw, 40px); margin-bottom: 16px; color: #fff; }
.band-cta p { color: #a9aebd; max-width: 620px; margin: 0 auto 30px; }
.band-cta__btns { display: flex; flex-wrap: wrap; justify-content: center; gap: 16px; }

/* ---------- 数据条 ---------- */
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.stat { text-align: center; padding: 30px 18px; border-radius: var(--radius); background: var(--ink-3); border: 1px solid rgba(255, 255, 255, 0.08); }
.stat b { display: block; font-size: clamp(30px, 4vw, 44px); font-weight: 800; color: var(--gold-2); font-variant-numeric: tabular-nums; line-height: 1.1; }
.stat span { font-size: 13.5px; color: #a9aebd; letter-spacing: 0.06em; }

/* ---------- 资讯列表 ---------- */
.news-item { display: grid; grid-template-columns: 220px 1fr; gap: 26px; padding: 26px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); transition: all 0.4s var(--ease); align-items: center; }
.news-item:hover { border-color: var(--gold); transform: translateX(6px); box-shadow: var(--shadow); }
.news-item .ph { aspect-ratio: 16 / 10; }
.news-item__cat { font-size: 12.5px; color: var(--gold-deep); letter-spacing: 0.12em; margin-bottom: 8px; }
.news-item h3 { font-size: 19px; margin-bottom: 8px; transition: color 0.3s; }
.news-item:hover h3 { color: var(--gold-deep); }
.news-item p { font-size: 14px; color: var(--text-2); margin-bottom: 10px; }
.news-item time { font-size: 13px; color: var(--text-3); }

/* ---------- 联系信息 ---------- */
.contact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.contact-card { padding: 28px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); display: flex; flex-direction: column; gap: 10px; }
.contact-card .feature__icon { margin-bottom: 6px; }
.contact-card h3 { font-size: 17px; }
.contact-card p { font-size: 14px; color: var(--text-2); }
.contact-card b { color: var(--gold-deep); }

/* ---------- 页脚 ---------- */
.site-footer { background: var(--ink); color: #a9aebd; padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.2fr; gap: 44px; padding-bottom: 50px; }
.footer-brand .brand { margin-bottom: 18px; }
.footer-brand p { font-size: 14px; line-height: 1.9; }
.footer-col h4 { color: #fff; font-size: 15.5px; margin-bottom: 18px; letter-spacing: 0.08em; }
.footer-col ul { display: flex; flex-direction: column; gap: 11px; }
.footer-col a { font-size: 14px; transition: color 0.25s; }
.footer-col a:hover { color: var(--gold-2); }
.footer-contact li { display: flex; gap: 10px; font-size: 14px; align-items: flex-start; }
.footer-contact svg { width: 16px; height: 16px; color: var(--gold); flex-shrink: 0; margin-top: 5px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 22px 0 26px;
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 13px; color: #6b7080;
}
.footer-bottom a:hover { color: var(--gold-2); }
.footer-bottom .beian {
  color: inherit; text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.2); text-underline-offset: 3px;
}
.footer-bottom .beian:hover { color: var(--gold-2); text-decoration-color: var(--gold-2); }

/* ---------- 滚动显现动画 ---------- */
.reveal { opacity: 0; transform: translateY(34px); transition: opacity 0.8s var(--ease), transform 0.8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: 0.1s; }
.reveal[data-delay="2"] { transition-delay: 0.2s; }
.reveal[data-delay="3"] { transition-delay: 0.3s; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .beam, .marquee__track, .scroll-hint::after { animation: none; }
}

/* ---------- 响应式 ---------- */
@media (max-width: 1080px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 920px) {
  .main-nav {
    position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch;
    background: rgba(14, 16, 21, 0.97); backdrop-filter: blur(16px); padding: 18px 5vw 28px;
    gap: 4px; border-bottom: 1px solid var(--line-dark);
    transform: translateY(-130%); transition: transform 0.45s var(--ease);
    max-height: calc(100vh - var(--header-h)); overflow-y: auto;
  }
  .main-nav.open { transform: none; }
  .main-nav a { padding: 13px 10px; font-size: 16px; }
  .main-nav a::after { display: none; }
  .main-nav a.nav-cta { margin-left: 0; text-align: center; margin-top: 8px; }
  .nav-toggle { display: flex; }
  .header-ticket { display: none; }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
  .news-item { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  :root { --header-h: 62px; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; }
  .price-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 34px; }
  .countdown__cell { min-width: 62px; }
  .countdown__cell b { font-size: 26px; }
  .hero__cta .btn { width: 100%; }
  .hero__video-slot { aspect-ratio: 16 / 10; }
  /* 移动端站标缩小，给汉堡菜单留出空间 */
  .brand-mark--img, .brand-mark--img picture, .brand-mark--img img { height: 28px; }
  .brand { gap: 9px; }
  .brand-text { font-size: 17px; }
  .brand-text em { font-size: 9px; letter-spacing: 0.24em; }
}