@charset "UTF-8";
/* =========================================================
   ASWF 中国中心 — 全局设计系统
   Tokens / Reset / Typography / Header / Footer / Utilities
   ========================================================= */

/* ---------- 1. Design Tokens ---------- */
:root {
  /* 主色：深海军蓝 —— 稳重、学术、国际化 */
  --navy-950: #030b16;
  --navy-900: #061225;
  --navy-850: #081a31;
  --navy-800: #0b2340;
  --navy-700: #0f3054;
  --navy-600: #16406e;

  /* 辅助蓝 & 青 */
  --blue-600: #1657b8;
  --blue-500: #1d6fd8;
  --blue-400: #4a95ef;
  --cyan-400: #37c6e8;
  --cyan-300: #7adcf3;

  /* 强调色：香槟金 —— 大气、荣誉感 */
  --gold-600: #a97c34;
  --gold-500: #c69a4c;
  --gold-400: #dcb86e;
  --gold-300: #ecd39b;

  /* 韩式点缀红 */
  --korea-red: #cf3f3a;

  /* 中性色 */
  --ink-900: #0d1725;
  --ink-700: #33425a;
  --ink-500: #5d6d86;
  --ink-400: #8393a9;
  --ink-200: #d6dee9;
  --ink-100: #e9eff6;
  --ink-50: #f4f7fb;
  --white: #ffffff;

  /* 语义色 */
  --bg: #ffffff;
  --bg-soft: #f4f7fb;
  --text: var(--ink-900);
  --text-soft: var(--ink-500);
  --line: rgba(13, 23, 37, .1);

  /* 渐变 */
  --grad-navy: linear-gradient(135deg, #061225 0%, #0b2340 45%, #16406e 100%);
  --grad-gold: linear-gradient(120deg, var(--gold-600) 0%, var(--gold-400) 45%, var(--gold-300) 100%);
  --grad-blue: linear-gradient(120deg, var(--blue-600) 0%, var(--blue-400) 55%, var(--cyan-400) 100%);
  --grad-text-gold: linear-gradient(100deg, #f0dcae 0%, #dcb86e 40%, #c69a4c 100%);

  /* 阴影 */
  --sh-xs: 0 1px 2px rgba(6, 18, 37, .06);
  --sh-sm: 0 4px 14px rgba(6, 18, 37, .07);
  --sh-md: 0 14px 34px rgba(6, 18, 37, .1);
  --sh-lg: 0 28px 64px rgba(6, 18, 37, .14);
  --sh-gold: 0 16px 40px rgba(198, 154, 76, .28);

  /* 尺寸 */
  --wrap: 1240px;
  --wrap-narrow: 940px;
  --header-h: 84px;
  --header-h-sm: 64px;
  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  /* 动效曲线 */
  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);

  /* 字体 */
  --font-zh: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", sans-serif;
  --font-ko: "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
  --font-serif: "Noto Serif SC", "Songti SC", "SimSun", Georgia, serif;
  --font-display: "Cormorant Garamond", "Noto Serif SC", Georgia, serif;
  --font-body: var(--font-zh);
}

/* 韩文语境下切换字体栈 */
html[lang="ko"] { --font-body: var(--font-ko); --font-serif: "Noto Serif KR", var(--font-ko), serif; }

/* 韩语默认可在音节间断行，会把词切开（如 연결하/고）。
   keep-all 让其只在空格处换行，长单词再兜底断开。 */
html[lang="ko"] body { word-break: keep-all; overflow-wrap: break-word; }

/* ---------- 2. Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 20px);
  /* 揭示动画在触发前有横向位移，必须在 html 上截断：
     溢出会从 body 传播到 html，只设 body 挡不住横向滚动条。
     clip 不会创建滚动容器，比 hidden 更安全。 */
  overflow-x: clip;
}
@supports not (overflow: clip) {
  html { overflow-x: hidden; }
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body.is-locked { overflow: hidden; }

img, svg, video { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; }
table { border-collapse: collapse; width: 100%; }

::selection { background: var(--gold-400); color: var(--navy-900); }

:focus-visible { outline: 2px solid var(--gold-500); outline-offset: 3px; border-radius: 4px; }

/* 自定义滚动条 */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--ink-50); }
::-webkit-scrollbar-thumb { background: linear-gradient(var(--navy-700), var(--navy-800)); border-radius: 99px; border: 2px solid var(--ink-50); }
::-webkit-scrollbar-thumb:hover { background: var(--gold-500); }

/* ---------- 3. Typography ---------- */
h1, h2, h3, h4, h5 { line-height: 1.25; font-weight: 700; letter-spacing: -.01em; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 13px; font-weight: 600; letter-spacing: .22em; text-transform: uppercase;
  color: var(--gold-600);
}
.eyebrow::before {
  content: ""; width: 34px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-500));
}
.eyebrow--center::after {
  content: ""; width: 34px; height: 1px;
  background: linear-gradient(90deg, var(--gold-500), transparent);
}
.on-dark .eyebrow, .eyebrow--light { color: var(--gold-400); }

.section-title {
  font-size: clamp(28px, 4.2vw, 48px);
  font-weight: 800;
  letter-spacing: -.02em;
  margin: 18px 0 0;
}
.section-title .accent {
  background: var(--grad-text-gold);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.section-sub {
  font-size: clamp(15px, 1.3vw, 17px);
  color: var(--text-soft);
  max-width: 62ch;
  margin-top: 18px;
}
.section-latin {
  display: block;
  font-family: var(--font-display);
  font-size: clamp(13px, 1.1vw, 15px);
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--ink-400);
  margin-top: 12px;
}

.section-head { margin-bottom: 54px; }
.section-head--center { text-align: center; display: flex; flex-direction: column; align-items: center; }
.section-head--center .section-sub { text-align: center; }

/* ---------- 4. Layout ---------- */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 24px; }
.wrap--narrow { max-width: var(--wrap-narrow); }

.section { position: relative; padding: clamp(72px, 9vw, 130px) 0; }
.section--soft { background: var(--bg-soft); }
.section--tight { padding: clamp(52px, 6vw, 84px) 0; }

.section--dark {
  background: var(--grad-navy);
  color: #dce6f2;
}
.section--dark .section-title { color: var(--white); }
.section--dark .section-sub { color: rgba(220, 230, 242, .72); }
.section--dark .section-latin { color: rgba(220, 230, 242, .45); }

/* 装饰性网格底纹 */
.grid-bg::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, #000 30%, transparent 100%);
}

/* ---------- 5. Buttons ---------- */
.btn {
  position: relative;
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 30px;
  border-radius: 99px;
  font-size: 15px; font-weight: 600;
  letter-spacing: .02em;
  cursor: pointer;
  overflow: hidden;
  transition: transform .45s var(--ease-out), box-shadow .45s var(--ease-out), color .3s;
  will-change: transform;
}
.btn svg { width: 17px; height: 17px; transition: transform .45s var(--ease-out); }
.btn:hover { transform: translateY(-3px); }
.btn:hover svg { transform: translateX(4px); }
.btn:active { transform: translateY(-1px) scale(.99); }

.btn--gold { background: var(--grad-gold); color: var(--navy-900); box-shadow: var(--sh-gold); }
.btn--gold::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 20%, rgba(255, 255, 255, .55) 50%, transparent 80%);
  transform: translateX(-120%);
  transition: transform .8s var(--ease-out);
}
.btn--gold:hover::after { transform: translateX(120%); }
.btn--gold:hover { box-shadow: 0 22px 48px rgba(198, 154, 76, .4); }

.btn--navy { background: var(--navy-800); color: var(--white); box-shadow: var(--sh-md); }
.btn--navy:hover { background: var(--navy-700); }

.btn--ghost {
  border: 1px solid rgba(255, 255, 255, .28);
  color: var(--white);
  backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, .05);
}
.btn--ghost:hover { border-color: var(--gold-400); color: var(--gold-300); background: rgba(220, 184, 110, .1); }

.btn--outline { border: 1px solid var(--line); color: var(--navy-800); background: var(--white); }
.btn--outline:hover { border-color: var(--gold-500); color: var(--gold-600); box-shadow: var(--sh-sm); }

.btn--sm { padding: 11px 22px; font-size: 14px; }

/* 文字箭头链接 */
.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-weight: 600; font-size: 15px; color: var(--navy-700);
  transition: gap .35s var(--ease-out), color .3s;
}
.link-arrow::after {
  content: ""; width: 22px; height: 6px;
  background: currentColor;
  clip-path: polygon(0 42%, 72% 42%, 72% 0, 100% 50%, 72% 100%, 72% 58%, 0 58%);
  transition: transform .35s var(--ease-out);
}
.link-arrow:hover { gap: 14px; color: var(--gold-600); }
.on-dark .link-arrow { color: var(--gold-300); }

/* ---------- 6. 加载动画 ---------- */
#preloader {
  position: fixed; inset: 0; z-index: 9999;
  display: grid; place-items: center;
  background: var(--navy-950);
  transition: opacity .7s var(--ease-out), visibility .7s;
}
#preloader.done { opacity: 0; visibility: hidden; }
.pre-inner { text-align: center; }
.pre-mark {
  font-family: var(--font-display);
  font-size: 46px; font-weight: 600; letter-spacing: .3em;
  background: var(--grad-text-gold);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
  animation: preFade 1.6s var(--ease-out) infinite alternate;
}
.pre-bar { width: 180px; height: 2px; margin: 22px auto 0; background: rgba(255, 255, 255, .12); overflow: hidden; border-radius: 9px; }
.pre-bar i { display: block; height: 100%; width: 40%; background: var(--grad-gold); animation: preSlide 1.2s var(--ease-in-out) infinite; }
@keyframes preFade { from { opacity: .45; } to { opacity: 1; } }
@keyframes preSlide { 0% { transform: translateX(-100%); } 100% { transform: translateX(350%); } }

/* ---------- 7. 顶部滚动进度条 ---------- */
#scroll-progress {
  position: fixed; top: 0; left: 0; z-index: 1200;
  height: 3px; width: 100%;
  transform: scaleX(0); transform-origin: 0 50%;
  background: var(--grad-gold);
  box-shadow: 0 0 14px rgba(220, 184, 110, .7);
}

/* ---------- 8. 公共页头 ---------- */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1100;
  height: var(--header-h);
  display: flex; align-items: center;
  transition: height .45s var(--ease-out), background .45s var(--ease-out), box-shadow .45s var(--ease-out), border-color .45s;
  border-bottom: 1px solid transparent;
}
.site-header::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: rgba(255, 255, 255, .86);
  backdrop-filter: blur(18px) saturate(180%);
  -webkit-backdrop-filter: blur(18px) saturate(180%);
  opacity: 0; transition: opacity .45s var(--ease-out);
}
.site-header.scrolled { height: var(--header-h-sm); box-shadow: 0 6px 30px rgba(6, 18, 37, .09); border-bottom-color: var(--line); }
.site-header.scrolled::before { opacity: 1; }
.site-header.hidden { transform: translateY(-100%); transition: transform .5s var(--ease-out); }

.header-inner {
  width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: 24px;
  display: flex; align-items: center; gap: 28px;
}

/* Logo */
.brand { display: flex; align-items: center; gap: 13px; flex-shrink: 0; }
.brand-mark {
  position: relative;
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: 12px;
  background: var(--grad-navy);
  display: grid; place-items: center;
  box-shadow: 0 8px 20px rgba(11, 35, 64, .3);
  overflow: hidden;
  transition: transform .5s var(--ease-spring);
}
.brand-mark::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle at 30% 20%, rgba(220, 184, 110, .5), transparent 60%);
}
.brand-mark span {
  position: relative; z-index: 1;
  font-family: var(--font-display);
  font-size: 12.5px; font-weight: 700; letter-spacing: 0;
  background: var(--grad-text-gold);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.brand:hover .brand-mark { transform: rotate(-8deg) scale(1.06); }
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-cn { font-size: 16px; font-weight: 800; letter-spacing: .01em; color: var(--navy-900); white-space: nowrap; }
.brand-en { font-size: 10px; letter-spacing: .18em; text-transform: uppercase; color: var(--ink-400); white-space: nowrap; }

/* 深色页头（首页 Hero 之上） */
.site-header.on-hero:not(.scrolled) .brand-cn { color: #fff; }
.site-header.on-hero:not(.scrolled) .brand-en { color: rgba(255, 255, 255, .55); }
.site-header.on-hero:not(.scrolled) .nav-link { color: rgba(255, 255, 255, .84); }
.site-header.on-hero:not(.scrolled) .lang-switch { border-color: rgba(255, 255, 255, .25); }
.site-header.on-hero:not(.scrolled) .lang-btn { color: rgba(255, 255, 255, .7); }
.site-header.on-hero:not(.scrolled) .burger i { background: #fff; }

/* 主导航 */
.site-nav { margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-item { position: relative; }
.nav-link {
  position: relative;
  display: flex; align-items: center; gap: 6px;
  padding: 10px 16px;
  font-size: 15px; font-weight: 600;
  color: var(--ink-700);
  border-radius: 10px;
  transition: color .3s, background .3s;
  white-space: nowrap;
}
.nav-link::after {
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 4px;
  height: 2px; border-radius: 2px;
  background: var(--grad-gold);
  transform: scaleX(0); transform-origin: 0 50%;
  transition: transform .42s var(--ease-out);
}
.nav-item:hover .nav-link, .nav-link.active { color: var(--gold-600); }
.nav-item:hover .nav-link::after, .nav-link.active::after { transform: scaleX(1); }
.site-header.on-hero:not(.scrolled) .nav-item:hover .nav-link,
.site-header.on-hero:not(.scrolled) .nav-link.active { color: var(--gold-300); }
.nav-caret { width: 9px; height: 9px; opacity: .5; transition: transform .35s var(--ease-out); }
.nav-item:hover .nav-caret { transform: rotate(180deg); opacity: 1; }

/* 下拉菜单 */
.nav-drop {
  position: absolute; top: calc(100% + 10px); left: 50%;
  min-width: 216px; padding: 10px;
  transform: translate(-50%, 12px);
  background: rgba(255, 255, 255, .97);
  backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--sh-lg);
  opacity: 0; visibility: hidden;
  transition: opacity .35s var(--ease-out), transform .45s var(--ease-out), visibility .35s;
}
.nav-drop::before {
  content: ""; position: absolute; top: -6px; left: 50%; margin-left: -6px;
  width: 12px; height: 12px; rotate: 45deg;
  background: inherit; border-left: 1px solid var(--line); border-top: 1px solid var(--line);
}
.nav-item:hover .nav-drop { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.nav-drop a {
  display: flex; align-items: center; gap: 10px;
  padding: 11px 14px; border-radius: 9px;
  font-size: 14.5px; font-weight: 500; color: var(--ink-700);
  transition: background .28s, color .28s, padding-left .28s var(--ease-out);
}
.nav-drop a::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%;
  background: var(--gold-400); opacity: 0; transition: opacity .28s;
}
.nav-drop a:hover { background: var(--ink-50); color: var(--navy-800); padding-left: 18px; }
.nav-drop a:hover::before { opacity: 1; }

/* 页头右侧动作区 */
.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }

/* 语言切换 */
.lang-switch {
  position: relative;
  display: flex; align-items: center;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: rgba(244, 247, 251, .6);
}
.lang-thumb {
  position: absolute; top: 4px; left: 4px;
  width: calc(50% - 4px); height: calc(100% - 8px);
  border-radius: 99px;
  background: var(--grad-navy);
  box-shadow: 0 4px 12px rgba(11, 35, 64, .28);
  transition: transform .5s var(--ease-spring);
}
.lang-switch[data-active="ko"] .lang-thumb { transform: translateX(100%); }
/* 两个按钮必须等宽，否则 50% 宽的滑块会错位 */
.lang-btn {
  position: relative; z-index: 1;
  flex: 1 1 0; min-width: 54px; padding: 6px 4px;
  font-size: 13px; font-weight: 700; letter-spacing: .02em;
  color: var(--ink-400);
  white-space: nowrap;
  transition: color .35s;
}
.lang-btn.on { color: var(--gold-300); }

/* 汉堡按钮 */
.burger {
  display: none;
  width: 44px; height: 44px;
  border-radius: 11px;
  border: 1px solid var(--line);
  flex-direction: column; align-items: center; justify-content: center; gap: 5px;
}
.burger i {
  display: block; width: 19px; height: 2px; border-radius: 2px;
  background: var(--navy-800);
  transition: transform .45s var(--ease-out), opacity .3s, width .3s;
}
.burger.on i:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.on i:nth-child(2) { opacity: 0; width: 0; }
.burger.on i:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端抽屉 */
.drawer {
  position: fixed; inset: 0; z-index: 1090;
  display: flex; justify-content: flex-end;
  visibility: hidden;
}
.drawer.open { visibility: visible; }
.drawer-veil {
  position: absolute; inset: 0;
  background: rgba(3, 11, 22, .55);
  backdrop-filter: blur(4px);
  opacity: 0; transition: opacity .5s var(--ease-out);
}
.drawer.open .drawer-veil { opacity: 1; }
.drawer-panel {
  position: relative;
  width: min(380px, 86vw); height: 100%;
  padding: calc(var(--header-h-sm) + 26px) 26px 40px;
  background: var(--grad-navy);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform .6s var(--ease-out);
}
.drawer.open .drawer-panel { transform: none; }
.drawer-panel::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(circle at 100% 0%, rgba(220, 184, 110, .18), transparent 55%);
}
.drawer-group { position: relative; z-index: 1; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.drawer-top {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between;
  padding: 17px 4px;
  font-size: 17px; font-weight: 600; color: #fff;
  text-align: left;
}
.drawer-top .pm { position: relative; width: 14px; height: 14px; flex-shrink: 0; }
.drawer-top .pm::before, .drawer-top .pm::after {
  content: ""; position: absolute; top: 50%; left: 0; width: 14px; height: 2px; margin-top: -1px;
  background: var(--gold-400); transition: transform .4s var(--ease-out);
}
.drawer-top .pm::after { transform: rotate(90deg); }
.drawer-group.open .pm::after { transform: rotate(0); }
.drawer-sub { max-height: 0; overflow: hidden; transition: max-height .5s var(--ease-out); }
.drawer-group.open .drawer-sub { max-height: 320px; }
.drawer-sub a {
  display: block; padding: 12px 4px 12px 18px;
  font-size: 15px; color: rgba(255, 255, 255, .66);
  border-left: 2px solid rgba(255, 255, 255, .14);
  margin-left: 4px;
  transition: color .3s, border-color .3s, padding-left .3s;
}
.drawer-sub a:hover { color: var(--gold-300); border-color: var(--gold-400); padding-left: 24px; }
.drawer-foot { position: relative; z-index: 1; margin-top: 32px; }
.drawer-foot .btn { width: 100%; }
.drawer-contact { margin-top: 24px; font-size: 13.5px; color: rgba(255, 255, 255, .5); line-height: 2; }

/* ---------- 9. 公共页脚 ---------- */
.site-footer {
  position: relative;
  background: var(--navy-950);
  color: rgba(220, 230, 242, .68);
  overflow: hidden;
}
.site-footer::before {
  content: ""; position: absolute; top: -160px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 420px;
  background: radial-gradient(ellipse, rgba(22, 64, 110, .55), transparent 68%);
  pointer-events: none;
}
.footer-top {
  position: relative;
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 48px;
  padding: clamp(56px, 7vw, 92px) 0 56px;
}
.f-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 22px; }
.f-brand .brand-cn { color: #fff; font-size: 17px; }
.f-brand .brand-en { color: rgba(255, 255, 255, .45); }
.f-desc { font-size: 14.5px; line-height: 1.95; max-width: 34ch; }
.f-social { display: flex; gap: 11px; margin-top: 26px; }
.f-social a {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  border: 1px solid rgba(255, 255, 255, .13);
  color: rgba(255, 255, 255, .6);
  transition: transform .45s var(--ease-spring), background .35s, color .35s, border-color .35s;
}
.f-social a svg { width: 19px; height: 19px; }
.f-social a:hover { transform: translateY(-4px); background: var(--grad-gold); color: var(--navy-900); border-color: transparent; }

.f-title {
  font-size: 14px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase;
  color: #fff; margin-bottom: 22px;
  display: flex; align-items: center; gap: 9px;
}
.f-title::before { content: ""; width: 3px; height: 14px; border-radius: 2px; background: var(--grad-gold); }
.f-links li + li { margin-top: 12px; }
.f-links a {
  font-size: 14.5px;
  display: inline-flex; align-items: center;
  transition: color .3s, transform .35s var(--ease-out);
}
.f-links a:hover { color: var(--gold-300); transform: translateX(6px); }

.f-contact li { display: flex; gap: 12px; font-size: 14.5px; margin-bottom: 16px; line-height: 1.7; }
.f-contact svg { width: 17px; height: 17px; flex-shrink: 0; margin-top: 5px; color: var(--gold-400); }
.f-contact a:hover { color: var(--gold-300); }

.footer-bottom {
  position: relative;
  border-top: 1px solid rgba(255, 255, 255, .09);
  padding: 24px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  font-size: 13.5px; color: rgba(220, 230, 242, .45);
  flex-wrap: wrap;
}
.footer-bottom a:hover { color: var(--gold-300); }
.f-legal { display: flex; gap: 22px; flex-wrap: wrap; }

/* 返回顶部 */
#to-top {
  position: fixed; right: 26px; bottom: 26px; z-index: 900;
  width: 50px; height: 50px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--grad-navy); color: var(--gold-300);
  box-shadow: var(--sh-lg);
  opacity: 0; visibility: hidden; transform: translateY(18px) scale(.85);
  transition: opacity .45s var(--ease-out), transform .5s var(--ease-spring), visibility .45s;
}
#to-top.show { opacity: 1; visibility: visible; transform: none; }
#to-top:hover { background: var(--grad-gold); color: var(--navy-900); }
#to-top svg { width: 19px; height: 19px; }

/* ---------- 10. 滚动揭示动效 ---------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(38px);
  transition: opacity .9s var(--ease-out), transform 1s var(--ease-out);
  transition-delay: var(--rd, 0ms);
  will-change: opacity, transform;
}
[data-reveal="left"] { transform: translateX(-32px); }
[data-reveal="right"] { transform: translateX(32px); }
[data-reveal="zoom"] { transform: scale(.9); }
[data-reveal="clip"] { opacity: 1; clip-path: inset(0 100% 0 0); transform: none; transition: clip-path 1.1s var(--ease-out); }
[data-reveal="blur"] { filter: blur(14px); transform: translateY(24px); transition: opacity 1s var(--ease-out), transform 1s var(--ease-out), filter 1s var(--ease-out); }
[data-reveal].in { opacity: 1; transform: none; filter: none; clip-path: inset(0 0 0 0); }

/* 逐字标题动效 */
.split-line { display: block; overflow: hidden; }
.split-line > span {
  display: inline-block;
  transform: translateY(110%) rotate(4deg);
  opacity: 0;
  transition: transform 1.1s var(--ease-out), opacity .9s var(--ease-out);
  transition-delay: var(--sd, 0ms);
}
.split-ready .split-line > span { transform: none; opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  [data-reveal] { opacity: 1 !important; transform: none !important; clip-path: none !important; filter: none !important; }
  .split-line > span { opacity: 1 !important; transform: none !important; }
}

/* ---------- 11. 通用装饰 ---------- */
.divider-wave { display: block; width: 100%; height: 60px; }

.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 16px 7px 12px;
  border-radius: 99px;
  font-size: 13px; font-weight: 600; letter-spacing: .04em;
  background: rgba(198, 154, 76, .12);
  color: var(--gold-600);
  border: 1px solid rgba(198, 154, 76, .28);
}
.badge .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold-500); box-shadow: 0 0 0 0 rgba(198,154,76,.6); animation: pulse 2.4s infinite; }
.badge--light { background: rgba(255, 255, 255, .08); color: var(--gold-300); border-color: rgba(220, 184, 110, .3); }
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(198, 154, 76, .55); }
  70% { box-shadow: 0 0 0 11px rgba(198, 154, 76, 0); }
  100% { box-shadow: 0 0 0 0 rgba(198, 154, 76, 0); }
}

/* 语言切换时的柔和过渡 */
.lang-fade { animation: langIn .55s var(--ease-out); }
@keyframes langIn { from { opacity: .25; filter: blur(3px); } to { opacity: 1; filter: none; } }

/* ---------- 12. 响应式 ---------- */
@media (max-width: 1180px) {
  .nav-link { padding: 10px 12px; font-size: 14.5px; }
  .footer-top { grid-template-columns: 1.4fr 1fr 1fr; }
  .footer-top .f-col--contact { grid-column: span 3; }
}

@media (max-width: 1000px) {
  :root { --header-h: 68px; --header-h-sm: 60px; }
  .site-nav { display: none; }
  .burger { display: flex; }
  .hide-sm { display: none; }
}

@media (max-width: 760px) {
  body { font-size: 15.5px; }
  .wrap { padding-inline: 20px; }
  /* 副标题过长会把语言开关和汉堡按钮挤出屏幕 */
  .site-header .brand-en { display: none; }
  .header-inner { gap: 14px; padding-inline: 20px; }
  .section-head { margin-bottom: 40px; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; padding-bottom: 40px; }
  .footer-top .f-col--contact { grid-column: auto; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .f-legal { justify-content: center; }
  #to-top { right: 16px; bottom: 16px; width: 44px; height: 44px; }
  .btn { padding: 13px 24px; font-size: 14.5px; }
}

@media (max-width: 480px) {
  .brand-cn { font-size: 14.5px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 11px; }
  .lang-btn { min-width: 44px; font-size: 12px; padding: 5px 2px; }
  .burger { width: 40px; height: 40px; }
  .header-inner { gap: 10px; }
}