/* ==========================================================================
   元正律师事务所 · 官网样式  v4.0「亲和法务 · 柔和现代」
   --------------------------------------------------------------------------
   主题：米白纸面 + 墨绿主色 + 陶土橙点缀。大圆角、柔和阴影、线性图标。
   节奏靠「留白 + 圆角分面 + 编号层级」，不靠反复换背景色。
   目录
   01 设计变量
   02 基础与排版
   03 布局与通用区块
   04 导航
   05 首屏（超大排版压满屏）
   06 首页组件
   07 专业领域页
   08 律师团队页
   09 联系咨询页
   10 页脚
   11 按钮与表单
   12 进场动效
   13 响应式
   ========================================================================== */

/* ============================ 01 设计变量 ============================ */
:root {
  /* 纸面 */
  --paper:      #FCFBF8;
  --paper-2:    #F4F1EA;
  --card:       #FFFFFF;
  /* 墨色文字（取自泽财标识的暖灰） */
  --ink:        #201B19;
  --ink-2:      #55504C;
  --ink-3:      #98918B;
  --line:       #E8E2DC;
  --line-2:     #D7CFC8;
  /* 泽财红（取自 logo 主色 #B01820） */
  --brand:      #B01820;
  --brand-2:    #8C1119;
  --brand-3:    #6B0C12;
  --brand-soft: #F7E7E7;
  --brand-mist: #FBF3F3;
  /* 暖金棕点缀（与标识红同暖系） */
  --clay:       #A6763C;
  --clay-soft:  #F6EDE0;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "PingFang SC",
               "HarmonyOS Sans SC", "Noto Sans SC", "Microsoft YaHei", system-ui, sans-serif;
  --font-num:  "Inter", "Helvetica Neue", Arial, sans-serif;

  --sp-2: 16px;
  --sp-3: 24px;
  --sp-4: 40px;
  --sp-5: 64px;
  --sp-6: 96px;
  --sp-7: 132px;

  --container: 1200px;

  --r-xl: 32px;
  --r-lg: 24px;
  --r-md: 16px;
  --r-sm: 10px;
  --r-full: 999px;

  --sh-1: 0 1px 2px rgba(20,32,28,.04), 0 8px 24px rgba(20,32,28,.05);
  --sh-2: 0 2px 6px rgba(20,32,28,.05), 0 18px 44px rgba(20,32,28,.10);
  --sh-3: 0 4px 12px rgba(20,32,28,.06), 0 28px 64px rgba(20,32,28,.14);

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ============================ 02 基础与排版 ============================ */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--font-sans); font-size: 16px; line-height: 1.78;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
h1, h2, h3, h4 { margin: 0; font-weight: 600; letter-spacing: -.01em; line-height: 1.28; }
h1 { font-size: clamp(44px, 8.2vw, 104px); line-height: 1.06; letter-spacing: -.03em; font-weight: 620; }
h2 { font-size: clamp(28px, 3.6vw, 44px); letter-spacing: -.02em; }
h3 { font-size: clamp(19px, 1.7vw, 23px); }
h4 { font-size: 17px; }
p { margin: 0 0 1em; }
p:last-child { margin-bottom: 0; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--brand); outline-offset: 3px; border-radius: 4px; }

.skip-link { position: absolute; left: -9999px; top: 0; z-index: 999; background: var(--brand); color: #fff; padding: 12px 20px; border-radius: var(--r-sm); }
.skip-link:focus { left: 12px; top: 12px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 32px; }

/* 文本工具 */
.label { font-size: 11.5px; letter-spacing: .26em; text-transform: uppercase; color: var(--ink-3); font-weight: 600; }
.label--brand { color: var(--brand); }
.lede { font-size: 17.5px; line-height: 1.85; color: var(--ink-2); margin-top: 14px; }
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; }
.soft-mark { background: linear-gradient(transparent 58%, var(--brand-soft) 58%); padding: 0 .08em; }

/* ============================ 03 布局与通用区块 ============================ */
.section { padding: var(--sp-6) 0; }
.section--tight { padding: var(--sp-5) 0; }
.section--first { padding-top: var(--sp-5); }

.sec-head { max-width: 760px; margin-bottom: var(--sp-5); }
.sec-head__idx { margin-bottom: 14px; }
.sec-head--center { margin-left: auto; margin-right: auto; text-align: center; }

.grid { display: grid; gap: var(--sp-3); }
.grid-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }

/* 圆角分面：柔和的区块容器 */
.panel {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-xl); padding: var(--sp-5);
  box-shadow: var(--sh-1);
}
.panel--soft { background: var(--brand-mist); border-color: transparent; }
.panel--brand { background: var(--brand); border-color: transparent; color: #fff; box-shadow: var(--sh-2); }

/* ============================ 04 导航 ============================ */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(252,251,248,.82); backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid transparent; transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}
.nav.is-scrolled { border-bottom-color: var(--line); box-shadow: 0 4px 20px rgba(20,32,28,.05); }
.nav__inner { display: flex; align-items: center; gap: 28px; height: 76px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand__seal { width: 40px; height: 40px; flex: none; display: grid; place-items: center; }
.brand__seal img { width: 100%; height: 100%; object-fit: contain; display: block; }
.footer .brand__seal img { filter: brightness(0) invert(1); }
.brand__name { display: block; font-size: 16.5px; font-weight: 600; letter-spacing: .01em; line-height: 1.3; }
.brand__en { display: block; font-size: 10.5px; letter-spacing: .22em; text-transform: uppercase; color: var(--ink-3); line-height: 1.4; }

.nav__menu { margin-left: auto; display: flex; align-items: center; gap: 6px; }
.nav__link {
  position: relative; padding: 9px 16px; border-radius: var(--r-full);
  font-size: 15px; color: var(--ink-2); font-weight: 500;
  transition: color .22s var(--ease), background-color .22s var(--ease);
}
.nav__link:hover { color: var(--brand); background: var(--brand-mist); }
.nav__link.is-active { color: var(--brand); background: var(--brand-soft); font-weight: 600; }

.nav__actions { display: flex; align-items: center; gap: 12px; }
.nav__toggle {
  display: none; width: 44px; height: 44px; border-radius: var(--r-md);
  border: 1px solid var(--line); background: var(--card); cursor: pointer;
  padding: 0; place-items: center;
}
.nav__toggle span { display: block; width: 18px; height: 1.6px; background: var(--ink); border-radius: 2px; margin: 3px auto; transition: transform .3s var(--ease), opacity .2s var(--ease); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(4.6px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-4.6px) rotate(-45deg); }

/* ============================ 05 首屏 ============================ */
.hero {
  position: relative; overflow: hidden; min-height: calc(100svh - 76px);
  display: flex; align-items: center; padding: var(--sp-6) 0 var(--sp-5);
  background: var(--paper);
}
.hero__glow {
  position: absolute; border-radius: 50%; pointer-events: none; filter: blur(6px);
}
.hero__glow--a { width: 58vw; height: 58vw; right: -14vw; top: -22vw; background: radial-gradient(circle at 50% 50%, rgba(176,24,32,.11), rgba(176,24,32,0) 68%); }
.hero__glow--b { width: 34vw; height: 34vw; left: -12vw; bottom: -14vw; background: radial-gradient(circle at 50% 50%, rgba(192,112,60,.14), rgba(192,112,60,0) 68%); }
.hero__inner { position: relative; }
.hero__eyebrow { display: inline-flex; align-items: center; gap: 10px; padding: 7px 16px; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-full); box-shadow: var(--sh-1); font-size: 12.5px; color: var(--ink-2); letter-spacing: .04em; }
.hero__eyebrow i { width: 6px; height: 6px; border-radius: 50%; background: var(--brand); display: block; }
.hero h1 { margin-top: var(--sp-3); max-width: 15em; }
.hero h1 em { font-style: normal; color: var(--brand); }
.hero__desc { margin-top: var(--sp-4); font-size: clamp(16px, 1.5vw, 19px); color: var(--ink-2); max-width: 34em; line-height: 1.85; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: var(--sp-4); }
.hero__trust { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-top: var(--sp-5); padding-top: var(--sp-3); border-top: 1px solid var(--line); font-size: 14px; color: var(--ink-3); }
.hero__trust b { color: var(--ink); font-weight: 600; }
.dot { width: 4px; height: 4px; border-radius: 50%; background: var(--line-2); display: inline-block; }

/* ============================ 06 首页组件 ============================ */
/* 数据条 */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); }
.stats__item { padding: var(--sp-3) var(--sp-3); }
.stats__item + .stats__item { border-left: 1px solid var(--line); }
.stats__num { font-family: var(--font-num); font-size: clamp(32px, 3.6vw, 46px); font-weight: 600; color: var(--brand); line-height: 1.1; letter-spacing: -.02em; margin: 0; font-variant-numeric: tabular-nums; }
.stats__num em { font-style: normal; font-size: .4em; font-weight: 500; margin-left: 3px; color: var(--ink-2); }
.stats__label { margin: 8px 0 0; font-size: 14px; color: var(--ink-2); }

/* 领域卡（首页四卡） */
.pcard {
  display: block; background: var(--card); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 30px 28px 26px; box-shadow: var(--sh-1);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.pcard:hover { transform: translateY(-6px); box-shadow: var(--sh-2); border-color: #E9D6D4; }
.pcard__icon { width: 52px; height: 52px; border-radius: var(--r-md); background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; margin-bottom: 20px; transition: background-color .3s var(--ease), color .3s var(--ease); }
.pcard:hover .pcard__icon { background: var(--brand); color: #fff; }
.pcard__icon svg { width: 24px; height: 24px; }
.pcard__num { font-family: var(--font-num); font-size: 12px; letter-spacing: .16em; color: var(--ink-3); font-weight: 600; }
.pcard h3 { margin: 6px 0 10px; }
.pcard p { font-size: 15px; color: var(--ink-2); margin: 0; }
.pcard__go { display: inline-flex; align-items: center; gap: 6px; margin-top: 18px; font-size: 14px; font-weight: 600; color: var(--brand); }
.pcard__go span { transition: transform .3s var(--ease); }
.pcard:hover .pcard__go span { transform: translateX(5px); }

/* 三条规矩 */
.vow-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--sp-3); }
.vow { background: var(--card); border-radius: var(--r-lg); padding: 32px 28px; box-shadow: var(--sh-1); }
.vow__no { font-family: var(--font-num); font-size: 13px; font-weight: 600; letter-spacing: .14em; color: var(--clay); }
.vow h3 { margin: 10px 0 12px; }
.vow p { font-size: 15px; color: var(--ink-2); margin: 0; }

/* 团队画廊 */
.gallery { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--sp-3); }
.tcard { display: block; background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; box-shadow: var(--sh-1); transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.tcard:hover { transform: translateY(-6px); box-shadow: var(--sh-2); }
.avatar { position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: linear-gradient(155deg, #F7E7E7 0%, #EDD3D1 55%, #E0BCBA 100%); display: grid; place-items: center; }
.avatar span { font-size: 60px; font-weight: 600; color: rgba(140,17,25,.32); letter-spacing: .04em; }
.avatar::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(14,52,40,0) 55%, rgba(14,52,40,.34) 100%); opacity: 0; transition: opacity .35s var(--ease); }
.tcard:hover .avatar::after { opacity: 1; }
.tcard__body { padding: 24px 26px 28px; }
.tcard__name { font-size: 20px; font-weight: 600; margin: 0; letter-spacing: -.01em; }
.tcard__role { margin: 6px 0 0; font-size: 13.5px; color: var(--brand); font-weight: 600; }
.tcard__bio { margin: 12px 0 0; font-size: 14.5px; color: var(--ink-2); }
.tcard__tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.chip { display: inline-block; padding: 4px 12px; border-radius: var(--r-full); background: var(--paper-2); font-size: 12.5px; color: var(--ink-2); }

/* 客户评价 */
.quote { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-xl); padding: var(--sp-5); box-shadow: var(--sh-1); }
.quote__text { font-size: clamp(19px, 2.1vw, 26px); line-height: 1.7; letter-spacing: -.01em; margin: 0; }
.quote__by { margin-top: var(--sp-3); font-size: 14px; color: var(--ink-3); }

/* 收尾 CTA */
.cta { text-align: center; padding: var(--sp-6) var(--sp-4); border-radius: var(--r-xl); background: var(--brand); color: #fff; box-shadow: var(--sh-2); }
.cta h2 { color: #fff; }
.cta p { color: rgba(255,255,255,.78); margin-top: 16px; }
.cta__actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: var(--sp-4); }
.cta__tel { margin-top: var(--sp-4); font-size: 14px; color: rgba(255,255,255,.7); }
.cta__tel b { color: #fff; font-family: var(--font-num); font-size: 22px; font-weight: 600; margin: 0 6px; }

/* ============================ 07 专业领域页 ============================ */
.pagehead { position: relative; overflow: hidden; padding: var(--sp-6) 0 var(--sp-5); background: var(--paper); }
.pagehead__glow { position: absolute; width: 46vw; height: 46vw; right: -10vw; top: -18vw; border-radius: 50%; background: radial-gradient(circle at 50% 50%, rgba(176,24,32,.12), rgba(176,24,32,0) 68%); pointer-events: none; }
.pagehead__inner { position: relative; max-width: 860px; }
.pagehead h1 { font-size: clamp(36px, 5.6vw, 68px); margin-top: var(--sp-3); }
.pagehead .lede { max-width: 40em; }

.fcard {
  display: grid; grid-template-columns: 56px minmax(0,1fr) auto; gap: 24px; align-items: start;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 32px 32px 30px; box-shadow: var(--sh-1);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), border-color .35s var(--ease);
}
.fcard:hover { transform: translateY(-5px); box-shadow: var(--sh-2); border-color: #E9D6D4; }
.fcard__icon { width: 56px; height: 56px; border-radius: var(--r-md); background: var(--brand-soft); color: var(--brand); display: grid; place-items: center; transition: background-color .3s var(--ease), color .3s var(--ease); }
.fcard:hover .fcard__icon { background: var(--brand); color: #fff; }
.fcard__icon svg { width: 26px; height: 26px; }
.fcard__num { font-family: var(--font-num); font-size: 12px; letter-spacing: .16em; color: var(--ink-3); font-weight: 600; }
.fcard h3 { margin: 6px 0 10px; }
.fcard p { font-size: 15px; color: var(--ink-2); margin: 0; }
.fcard__meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.fcard__side { text-align: right; font-size: 13.5px; color: var(--ink-2); white-space: nowrap; }
.fcard__side b { display: block; color: var(--ink); font-weight: 600; font-size: 15px; }
.fcard__side span { color: var(--ink-3); }
.fcard-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--sp-3); }

/* ============================ 08 律师团队页 ============================ */
.filter { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: var(--sp-4); }
.member { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--sh-1); overflow: hidden; transition: transform .35s var(--ease), box-shadow .35s var(--ease); }
.member:hover { transform: translateY(-4px); box-shadow: var(--sh-2); }
.member__grid { display: grid; grid-template-columns: 240px minmax(0,1fr); }
.member .avatar { aspect-ratio: auto; height: 100%; min-height: 280px; }
.member__body { padding: 32px 36px; }
.member__edu { margin: 8px 0 0; font-size: 14px; color: var(--ink-3); }
.member__exp { margin: 16px 0 0; font-size: 15px; color: var(--ink-2); line-height: 1.85; }
.pagehead__brand {
  position: absolute; right: 32px; top: 50%; transform: translateY(-50%);
  width: min(320px, 26vw); background: #fff; border-radius: var(--r-lg);
  padding: 26px; box-shadow: var(--sh-1);
}
.pagehead__brand img { width: 100%; display: block; }
.filter__btn {
  padding: 9px 20px; border-radius: var(--r-full); border: 1px solid var(--line);
  background: var(--card); color: var(--ink-2); font-size: 14.5px; font-weight: 500;
  cursor: pointer; font-family: inherit; transition: all .25s var(--ease);
}
.filter__btn:hover { border-color: var(--brand); color: var(--brand); }
.filter__btn.is-active { background: var(--brand); border-color: var(--brand); color: #fff; }
.team-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--sp-3); }
.tcard.is-hidden { display: none; }

/* ============================ 09 联系咨询页 ============================ */
.contact-split { display: grid; grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); gap: var(--sp-3); align-items: start; }
.info-card { background: var(--brand); color: #fff; border-radius: var(--r-xl); padding: var(--sp-5); box-shadow: var(--sh-2); }
.info-card h2 { color: #fff; font-size: clamp(24px, 2.6vw, 32px); }
.info-card .lede { color: rgba(255,255,255,.76); }
.info-row { display: flex; gap: 16px; padding: 18px 0; border-top: 1px solid rgba(255,255,255,.16); }
.info-row:first-of-type { border-top: 0; }
.info-row__ico { width: 38px; height: 38px; flex: none; border-radius: var(--r-sm); background: rgba(255,255,255,.12); display: grid; place-items: center; }
.info-row__ico svg { width: 18px; height: 18px; }
.info-row__k { font-size: 12.5px; color: rgba(255,255,255,.62); letter-spacing: .06em; }
.info-row__v { font-size: 16px; font-weight: 500; margin-top: 3px; }

.form-card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-xl); padding: var(--sp-5); box-shadow: var(--sh-1); }
.field { margin-bottom: var(--sp-3); }
.field label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 8px; }
.field label .req { color: var(--clay); margin-left: 3px; }
.field input, .field select, .field textarea {
  width: 100%; font-family: inherit; font-size: 15px; color: var(--ink);
  padding: 13px 16px; border: 1px solid var(--line-2); border-radius: var(--r-md);
  background: var(--paper); transition: border-color .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
}
.field textarea { min-height: 128px; resize: vertical; line-height: 1.7; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; background: var(--card); border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(176,24,32,.12);
}
.field.has-error input, .field.has-error textarea { border-color: #C0473B; background: #FDF4F3; }
.field__err { display: none; margin-top: 7px; font-size: 13px; color: #B0392F; }
.field.has-error .field__err { display: block; }
.form-2col { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: var(--sp-3); }
.form-check { display: flex; gap: 11px; align-items: flex-start; font-size: 14px; color: var(--ink-2); line-height: 1.7; }
.form-check input { margin-top: 5px; accent-color: var(--brand); width: 16px; height: 16px; flex: none; }
.form-note { margin-top: var(--sp-3); font-size: 13.5px; color: var(--ink-3); }
.form-ok { display: none; margin-top: var(--sp-3); padding: 22px 24px; border-radius: var(--r-md); background: var(--brand-soft); border: 1px solid #C9E0D6; color: var(--brand-2); font-size: 15px; }
.form-ok.is-show { display: block; }

.offices { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: var(--sp-3); }
.office { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-md); padding: 22px 24px; }
.office__city { font-weight: 600; font-size: 16px; }
.office__addr { margin-top: 6px; font-size: 14px; color: var(--ink-2); }

/* ============================ 10 页脚 ============================ */
.footer {
  margin-top: var(--sp-6); background: var(--brand-3); color: rgba(255,255,255,.72);
  border-radius: var(--r-xl) var(--r-xl) 0 0; padding: var(--sp-6) 0 var(--sp-4);
}
.footer__grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--sp-4); }
.footer__title { font-size: 13px; letter-spacing: .18em; text-transform: uppercase; color: rgba(255,255,255,.5); font-weight: 600; margin-bottom: 16px; }
.footer__list li { padding: 5px 0; font-size: 14.5px; }
.footer__list a { transition: color .2s var(--ease); }
.footer__list a:hover { color: #fff; }
.footer__bottom {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  margin-top: var(--sp-5); padding-top: var(--sp-3);
  border-top: 1px solid rgba(255,255,255,.14); font-size: 13.5px; color: rgba(255,255,255,.5);
}

/* ============================ 11 按钮 ============================ */
.btn {
  display: inline-flex; align-items: center; gap: 9px; justify-content: center;
  font-family: inherit; font-size: 15px; font-weight: 600; letter-spacing: .01em;
  padding: 14px 28px; border-radius: var(--r-full); border: 1px solid transparent;
  cursor: pointer; transition: transform .22s var(--ease), box-shadow .28s var(--ease), background-color .22s var(--ease), color .22s var(--ease), border-color .22s var(--ease);
}
.btn--primary { background: var(--brand); color: #fff; box-shadow: 0 6px 18px rgba(176,24,32,.22); }
.btn--primary:hover { background: var(--brand-2); transform: translateY(-2px); box-shadow: 0 10px 26px rgba(176,24,32,.28); }
.btn--ghost { background: var(--card); color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.btn--light { background: #fff; color: var(--brand); }
.btn--light:hover { transform: translateY(-2px); box-shadow: 0 10px 26px rgba(0,0,0,.16); }
.btn--onbrand { background: rgba(255,255,255,.12); color: #fff; border-color: rgba(255,255,255,.34); }
.btn--onbrand:hover { background: rgba(255,255,255,.2); transform: translateY(-2px); }
.btn--text { padding: 0; color: var(--brand); background: none; box-shadow: none; }
.btn--text:hover { gap: 14px; }
.btn-arrow { transition: transform .25s var(--ease); display: inline-block; }
.btn:hover .btn-arrow { transform: translateX(4px); }
.btn--full { width: 100%; }
.btn--lg { padding: 17px 36px; font-size: 16px; }

/* ============================ 12 进场动效 ============================ */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); transition-delay: var(--d, 0ms); }
.reveal--left { transform: translateX(-34px); }
.reveal--right { transform: translateX(34px); }
.reveal--soft { transform: translateY(14px) scale(.985); }
.reveal.is-in { opacity: 1; transform: none; }

.cut-in { display: block; overflow: hidden; }
.cut-in > span { display: block; transform: translateY(105%); transition: transform 1s var(--ease); transition-delay: var(--d, 0ms); }
.cut-in.is-in > span { transform: translateY(0); }

/* ============================ 13 响应式 ============================ */
@media (max-width: 1080px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stats { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .stats__item:nth-child(3) { border-left: 0; }
  .stats__item:nth-child(n+3) { border-top: 1px solid var(--line); }
  .team-grid, .gallery { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .member__grid { grid-template-columns: 1fr; }
  .member .avatar { min-height: 220px; }
  .pagehead__brand { display: none; }
  .vow-grid { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .offices { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .contact-split { grid-template-columns: 1fr; }
}

@media (max-width: 860px) {
  .nav__menu {
    position: absolute; top: 76px; left: 16px; right: 16px;
    flex-direction: column; align-items: stretch; gap: 4px; padding: 14px;
    background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg);
    box-shadow: var(--sh-2); display: none;
  }
  .nav__menu.is-open { display: flex; }
  .nav__link { padding: 12px 16px; font-size: 16px; }
  .nav__toggle { display: grid; }
  .nav__cta { display: none; }
  .container { padding: 0 22px; }
}

@media (max-width: 640px) {
  :root { --sp-5: 48px; --sp-6: 72px; --r-xl: 24px; --r-lg: 20px; }
  .grid-4, .grid-3, .grid-2, .team-grid, .gallery, .fcard-list, .offices, .form-2col { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .footer__grid { grid-template-columns: 1fr; }
  .panel, .info-card, .form-card, .quote { padding: 28px 22px; }
  .fcard { grid-template-columns: 44px minmax(0,1fr); padding: 24px 22px; }
  .fcard__icon { width: 44px; height: 44px; }
  .fcard__icon svg { width: 21px; height: 21px; }
  .fcard__side { grid-column: 2; text-align: left; margin-top: 12px; }
  .hero { min-height: auto; padding: var(--sp-5) 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
  .cut-in > span { transform: none; }
  html { scroll-behavior: auto; }
}