/* ============================================================
   谭棉花律师法律文书库 — 站点样式
   设计语言：白底 / 近黑标题 / 灰辅文 / Notion 蓝 / 细描边圆角卡片
   动效原则：只动 transform/opacity/filter；隐藏初始态一律挂在
   .js-enabled 下（无 JS 时页面完整可见）；prefers-reduced-motion 全量降级
   ============================================================ */

:root {
  --ink: #191918;
  --muted: #6b6a66; /* 白底 5.1:1 / soft 底 4.7:1，过 AA */
  --faint: #a5a29a; /* 仅用于装饰，不用于正文（对比度不足） */
  --soft: #f7f7f5;
  --softer: #fbfbfa;
  --paper: #ffffff;
  --line: #e8e8e6;
  --blue: #2383e2;
  --blue-dark: #0b72d0;
  --blue-soft: #e7f1fb;
  --amber: #6b4a1c;
  --amber-soft: #faebdd;
  --green: #2f6b45;
  --green-soft: #dbeddb;
  --rose: #9f4455;
  --rose-soft: #fbebed;
  --yellow-soft: #fbf3db;
  --shadow: 0 1px 2px rgba(15, 15, 15, 0.04), 0 4px 12px rgba(15, 15, 15, 0.05);
  --shadow-hover: 0 2px 4px rgba(15, 15, 15, 0.06), 0 12px 28px rgba(15, 15, 15, 0.1);
  --radius: 10px;
  --max: 1120px;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

/* 作者样式里的 display 声明会压过 UA 的 [hidden]，必须显式兜底（筛选功能依赖它） */
[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
}

/* 首屏装饰层（光晕/网格）会有意出血到版心外，横向溢出必须在根上裁掉；
   只写 body 会按规范传播给视口导致 body 自身不裁剪，故 html/body 都写，
   clip 彻底断掉编程滚动，老浏览器回退 hidden */
html,
body {
  overflow-x: hidden;
  overflow-x: clip;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* 菜单滚动锁只在移动断点生效（见 720px 媒体块），避免跨断点后页面被锁死 */

::selection {
  background: var(--blue-soft);
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 顶栏 ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, 0.86);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.site-header.scrolled {
  border-color: var(--line);
}

/* 阅读进度线（由 site.js 注入） */
.site-header .progress {
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 100%;
  height: 2px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: 0 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.site-header.scrolled .progress {
  opacity: 1;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  min-height: 62px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.01em;
}

.brand-mark {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 7px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.45s cubic-bezier(0.3, 1.6, 0.4, 1);
}

.brand:hover .brand-mark {
  transform: rotate(-8deg) scale(1.08);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  color: var(--ink);
  font-size: 14.5px;
}

.nav-links a {
  padding: 7px 12px;
  border-radius: 6px;
  transition: background 0.2s ease, color 0.2s ease;
}

.nav-links a:hover {
  background: var(--soft);
}

.nav-links a.active {
  color: var(--blue-dark);
  font-weight: 600;
}

.menu-button {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.menu-icon {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--ink);
  box-shadow: 0 6px 0 var(--ink), 0 -6px 0 var(--ink);
}

/* ---------- 按钮 ---------- */

.button,
.button-secondary,
.button-quiet {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  min-height: 42px;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 14.5px;
  line-height: 1.2;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: background 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.button:active,
.button-secondary:active,
.button-quiet:active {
  transform: scale(0.97);
}

/* 按钮底色用深一档蓝：白字对比 4.85:1 过 AA（#2383E2 只有 3.88:1，留给装饰） */
.button {
  background: var(--blue-dark);
  color: #fff;
}

.button:hover {
  background: #085fae;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(11, 114, 208, 0.18);
}

/* 主按钮 hover 扫光（单次，不循环） */
.button::after {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 55%;
  background: linear-gradient(105deg, transparent 20%, rgba(255, 255, 255, 0.32) 50%, transparent 80%);
  transform: translateX(-140%) skewX(-18deg);
  pointer-events: none;
}

.button:hover::after {
  animation: shine 0.55s ease-out forwards;
}

@keyframes shine {
  to {
    transform: translateX(320%) skewX(-18deg);
  }
}

.button-secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.button-secondary:hover {
  border-color: #d4d2cc;
  background: var(--softer);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.button-quiet {
  background: var(--soft);
  color: var(--ink);
}

.button-quiet:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

/* ---------- 标签 / 徽章 ---------- */

.eyebrow {
  display: inline-flex;
  width: fit-content;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--soft);
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
}

.proof-chip,
.tag,
.status-tag {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  min-height: 26px;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
  transition: color 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.proof-chip:hover {
  color: var(--ink);
  transform: translateY(-2px);
  border-color: #d4d2cc;
}

.status-tag.blue {
  border-color: #cfe3f7;
  background: var(--blue-soft);
  color: #183a5a;
}

.status-tag.amber {
  border-color: #f0dcc3;
  background: var(--amber-soft);
  color: var(--amber);
}

.status-tag.green {
  border-color: #c7e2cd;
  background: var(--green-soft);
  color: var(--green);
}

/* ---------- 首页 Hero ---------- */

.hero {
  position: relative;
  z-index: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 52px;
  align-items: center;
  padding: 76px 0 60px;
  perspective: 1400px;
}

/* 渐隐网格 + 顶部光晕（纯装饰） */
.hero::before {
  content: "";
  position: absolute;
  inset: -60px -80px 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.35;
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 25%, transparent 72%);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 0%, #000 25%, transparent 72%);
}

.hero::after {
  content: "";
  position: absolute;
  left: 50%;
  top: -180px;
  z-index: -1;
  width: 560px;
  height: 560px;
  margin-left: -280px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(closest-side, rgba(35, 131, 226, 0.07), transparent 70%);
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(36px, 5vw, 56px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 700;
}

/* 标题逐字上浮（index 的 h1 拆字后生效；纯 CSS，无 JS 也能播） */
.hero h1 .ch {
  display: inline-block;
  animation: charUp 0.6s cubic-bezier(0.2, 0.7, 0.2, 1) both;
  animation-delay: calc(var(--i, 0) * 45ms + 120ms);
}

@keyframes charUp {
  from {
    opacity: 0;
    transform: translateY(0.6em);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* 荧光笔从左扫过 */
.hl {
  position: relative;
  z-index: 0;
  padding: 0 2px;
}

.hl::before {
  content: "";
  position: absolute;
  left: -3px;
  right: -3px;
  top: 56%;
  bottom: -2%;
  background: var(--blue-soft);
  border-radius: 3px;
  z-index: -1;
  transform: scaleX(1);
  transform-origin: 0 50%;
}

.js-enabled .hl::before {
  animation: inkSweep 0.55s cubic-bezier(0.65, 0, 0.35, 1) 1s both;
}

@keyframes inkSweep {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.hero .tagline {
  margin: 20px 0 0;
  color: var(--ink);
  font-size: clamp(19px, 2.2vw, 26px);
  line-height: 1.4;
  font-weight: 500;
}

.lead {
  margin: 16px 0 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions,
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

/* Hero 载入编排：拆字标题先立，其余分层跟上 */
@keyframes heroRise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.js-enabled .hero .eyebrow,
.js-enabled .hero .tagline,
.js-enabled .hero .lead,
.js-enabled .hero .hero-actions,
.js-enabled .hero .proof-row {
  animation: heroRise 620ms cubic-bezier(0.2, 0.7, 0.2, 1) both;
}

.js-enabled .hero .tagline {
  animation-delay: 450ms;
}

.js-enabled .hero .lead {
  animation-delay: 600ms;
}

.js-enabled .hero .hero-actions {
  animation-delay: 750ms;
}

.js-enabled .hero .proof-row {
  animation-delay: 900ms;
}

/* ---------- 文书包预览卡（首页右侧「剧场」） ---------- */

.doc-preview {
  position: relative;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 2px 6px rgba(15, 15, 15, 0.04);
  filter: drop-shadow(0 24px 48px rgba(15, 15, 15, 0.12));
  overflow: hidden;
  transform-origin: 50% 20%;
}

/* 3D 透视展开入场 */
@keyframes previewSettle {
  from {
    opacity: 0;
    transform: rotateX(10deg) scale(0.95) translateY(48px);
    filter: drop-shadow(0 24px 48px rgba(15, 15, 15, 0));
  }
  to {
    opacity: 1;
    transform: none;
    filter: drop-shadow(0 24px 48px rgba(15, 15, 15, 0.12));
  }
}

.js-enabled .doc-preview {
  animation: previewSettle 1s cubic-bezier(0.16, 1, 0.3, 1) 550ms both;
}

.doc-preview-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--soft);
  color: var(--muted);
  font-size: 13px;
}

.doc-preview-body {
  position: relative;
  padding: 24px;
}

.doc-title {
  margin: 0 0 16px;
  font-size: 23px;
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.doc-list {
  display: grid;
  gap: 9px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.doc-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  font-size: 14.5px;
}

.list-mark,
.mini-icon {
  display: grid;
  flex: none;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 6px;
  background: var(--blue-soft);
  color: #183a5a;
  font-size: 12px;
  font-weight: 700;
  transition: background 0.25s ease, color 0.25s ease;
}

/* 数字 → 对勾 的变身 */
.doc-list li.done .list-mark {
  background: var(--green-soft);
  color: var(--green);
  font-size: 0;
}

.doc-list li.done .list-mark::after {
  content: "";
  width: 6px;
  height: 10px;
  border: solid currentColor;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.review-note {
  margin-top: 18px;
  padding: 14px;
  border: 1px solid #f0dcc3;
  border-radius: 8px;
  background: var(--amber-soft);
  color: var(--amber);
  font-size: 14px;
}

.review-note.noted {
  animation: notePulse 900ms ease 150ms both;
}

@keyframes notePulse {
  0%,
  100% {
    box-shadow: 0 0 0 rgba(183, 121, 31, 0);
  }
  40% {
    box-shadow: 0 0 0 5px rgba(183, 121, 31, 0.14);
  }
}

/* 协作光标「谭律师」 */
.cursor-chip {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 6;
  pointer-events: none;
  opacity: 0;
  will-change: transform;
  transition: transform 0.42s cubic-bezier(0.3, 0.9, 0.35, 1), opacity 0.25s ease;
}

.cursor-chip svg {
  display: block;
  transform-origin: 2px 2px;
}

.cursor-chip.click svg {
  animation: curClick 0.26s ease;
}

@keyframes curClick {
  40% {
    transform: scale(0.8);
  }
  100% {
    transform: scale(1);
  }
}

.cursor-chip .nm {
  position: absolute;
  left: 11px;
  top: 15px;
  background: var(--blue);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
  box-shadow: 0 2px 6px rgba(35, 131, 226, 0.35);
}

/* 「谭律师已复核」徽章：盖章式落定 + 涟漪 */
.verify-badge {
  position: absolute;
  right: 18px;
  top: 16px;
  display: flex;
  align-items: center;
  gap: 7px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  padding: 6px 13px;
  font-size: 13px;
  font-weight: 600;
}

.js-enabled .verify-badge:not(.pop) {
  opacity: 0;
  transform: scale(0.6);
}

.verify-badge .dot {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--green-soft);
  color: var(--green);
  display: grid;
  place-items: center;
  font-size: 11px;
}

.verify-badge::after {
  content: "";
  position: absolute;
  inset: -4px;
  border: 1.5px solid var(--blue);
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
}

.verify-badge.pop {
  animation: badgeStamp 0.55s cubic-bezier(0.2, 1.2, 0.3, 1) forwards;
}

.verify-badge.pop::after {
  animation: sealRing 0.7s ease-out 0.2s;
}

@keyframes badgeStamp {
  0% {
    opacity: 0;
    transform: scale(1.8) rotate(-10deg);
  }
  55% {
    opacity: 1;
    transform: scale(0.92) rotate(1.5deg);
  }
  75% {
    transform: scale(1.05) rotate(-1deg);
  }
  100% {
    opacity: 1;
    transform: scale(1) rotate(0);
  }
}

@keyframes sealRing {
  0% {
    opacity: 0.5;
    transform: scale(0.9);
  }
  100% {
    opacity: 0;
    transform: scale(1.45);
  }
}

/* ---------- 客户信任（匿名化场景跑马灯） ---------- */

.section.trust {
  padding: 0 0 68px;
  text-align: center;
}

.trust-cap {
  font-size: 13.5px;
  color: var(--muted);
  margin-bottom: 20px;
}

.mq-toggle {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 12px;
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 5px;
  vertical-align: 1px;
  transition: background 0.2s ease, color 0.2s ease;
}

.mq-toggle:hover {
  background: var(--soft);
  color: var(--ink);
}

.lg-marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.lg-track {
  display: flex;
  width: max-content;
  animation: logoScroll 30s linear infinite;
}

.lg-marquee:hover .lg-track {
  animation-play-state: paused;
}

.logo-set {
  display: flex;
  flex: none;
  align-items: center;
  gap: clamp(24px, 5vw, 56px);
  padding-right: clamp(24px, 5vw, 56px);
}

.logo-set span {
  font-size: 15px;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.02em;
  white-space: nowrap;
  transition: color 0.25s ease;
}

.logo-set span:hover {
  color: var(--ink);
}

@keyframes logoScroll {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- 作者引言（手绘下划线随滚动描画） ---------- */

.quote-block {
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.quote-block blockquote {
  margin: 0 0 22px;
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 500;
  line-height: 1.6;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.draw {
  position: relative;
  white-space: nowrap;
}

.uline {
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 9px;
  overflow: visible;
}

.uline path {
  stroke-dasharray: 1;
  transition: stroke-dashoffset 0.9s cubic-bezier(0.4, 0, 0.2, 1) 0.45s;
}

.js-enabled .quote-block:not(.is-visible) .uline path {
  stroke-dashoffset: 1;
}

.quote-who {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
}

.quote-who strong {
  color: var(--ink);
}

.quote-who .ava {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--ink);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 16px;
  font-weight: 600;
}

/* ---------- 区块 ---------- */

.section {
  padding: 76px 0;
}

.section.soft {
  background: var(--soft);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 32px;
}

.section-head h2,
.page-hero h1,
.card h3,
.detail-grid h2 {
  text-wrap: balance;
}

.section-head h2 {
  margin: 0;
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 1.22;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.section-head p,
.page-hero p {
  margin: 12px 0 0;
  max-width: 650px;
  color: var(--muted);
}

.section-head .eyebrow {
  margin-bottom: 12px;
  border: none;
  background: none;
  padding: 0;
  color: var(--blue-dark);
  font-weight: 600;
  font-size: 13.5px;
}

/* ---------- 网格 ---------- */

.grid {
  display: grid;
  gap: 16px;
}

.grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.package-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

/* ---------- 卡片 ---------- */

.card,
.package-card,
.info-card,
.step-card,
.document-row,
.decision-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.card,
.package-card,
.info-card,
.step-card,
.decision-card {
  padding: 22px;
}

.package-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  gap: 13px;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.package-card:hover,
.info-card:hover,
.decision-card:hover {
  border-color: #dddbd5;
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.info-card,
.decision-card {
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.package-card h3,
.info-card h3,
.step-card h3,
.decision-card h3 {
  margin: 0;
  font-size: 18.5px;
  line-height: 1.35;
  font-weight: 600;
}

.package-card p,
.info-card p,
.step-card p,
.decision-card p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14.5px;
}

.meta-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.package-card .card-link,
.card-link {
  margin-top: 4px;
  color: var(--blue-dark);
  font-weight: 650;
  font-size: 14.5px;
}

.card-link::after {
  content: "→";
  display: inline-block;
  margin-left: 6px;
  transition: transform 0.25s cubic-bezier(0.3, 1.4, 0.5, 1);
}

.package-card:hover .card-link::after,
.card-link:hover::after {
  transform: translateX(4px);
}

.mini-icon {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  font-size: 17px;
  margin-bottom: 4px;
  transition: transform 0.3s cubic-bezier(0.3, 1.4, 0.5, 1);
}

.info-card:hover .mini-icon,
.decision-card:hover .mini-icon {
  transform: translateY(-3px) rotate(-6deg) scale(1.06);
}

/* ---------- 服务边界横幅 ---------- */

.boundary {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 24px;
  align-items: center;
  padding: 30px;
  border: 1px solid #f0dcc3;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--amber-soft), #fffdf9);
}

.boundary h2 {
  margin: 0;
  font-size: clamp(24px, 3vw, 36px);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.boundary p {
  margin: 10px 0 0;
  color: var(--amber);
}

/* ---------- 流程步骤（依次点亮 + 连线生长） ---------- */

.steps {
  --sgap: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--sgap);
  counter-reset: steps;
}

.step-card {
  position: relative;
  padding-top: 60px;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.step-card:hover {
  border-color: #dddbd5;
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

/* 圆点中心 = top 20px + 半径 14px = 34px；改尺寸需联动连线 top */
.step-card::before {
  position: absolute;
  top: 20px;
  left: 22px;
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  counter-increment: steps;
  content: counter(steps);
  font-size: 13px;
  font-weight: 700;
  transition: opacity 0.35s ease, transform 0.45s cubic-bezier(0.3, 1.5, 0.5, 1);
}

.js-enabled .step-card:not(.lit)::before {
  opacity: 0;
  transform: scale(0.4);
}

.step-card:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 33px;
  right: calc(-1 * var(--sgap));
  width: var(--sgap);
  height: 2px;
  background: var(--blue);
  transform-origin: 0 50%;
  transition: transform 0.3s ease 0.25s;
}

.js-enabled .step-card:not(.lit):not(:last-child)::after {
  transform: scaleX(0);
}

/* ---------- 内页 Hero ---------- */

.page-hero {
  position: relative;
  z-index: 0;
  padding: 64px 0 44px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--soft), var(--paper));
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px;
  opacity: 0.3;
  -webkit-mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 70% 80% at 50% 0%, #000 20%, transparent 75%);
}

.page-hero h1 {
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.18;
}

.breadcrumbs {
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13.5px;
}

.breadcrumbs a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.breadcrumbs a:hover {
  color: var(--blue);
}

/* ---------- 筛选 ---------- */

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 24px;
}

.filter-button {
  min-height: 36px;
  padding: 7px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--muted);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.filter-button:hover {
  border-color: #d4d2cc;
  color: var(--ink);
  transform: translateY(-1px);
}

.filter-button.active {
  border-color: var(--blue);
  background: var(--blue-soft);
  color: #0a5ca8;
}

/* ---------- 滚动渐入（错峰由 site.js 写入 --i） ---------- */

.reveal-ready {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.65s cubic-bezier(0.2, 0.6, 0.2, 1), transform 0.65s cubic-bezier(0.2, 0.6, 0.2, 1);
  transition-delay: calc(var(--i, 0) * 70ms);
}

.reveal-ready.is-visible {
  opacity: 1;
  transform: none;
}

/* ---------- 详情页 ---------- */

.detail-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 24px;
  align-items: start;
}

.detail-main {
  display: grid;
  gap: 16px;
}

.detail-main section,
.side-panel {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  padding: 24px;
}

.detail-main h2,
.side-panel h2 {
  margin: 0 0 12px;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.detail-main ul,
.side-panel ul {
  margin: 0;
  padding-left: 1.2em;
  color: var(--muted);
}

.detail-main li + li,
.side-panel li + li {
  margin-top: 7px;
}

.side-panel {
  position: sticky;
  top: 84px;
}

/* ---------- 文书列表 ---------- */

.document-list {
  display: grid;
  gap: 12px;
}

.document-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 18px;
  transition: box-shadow 0.25s ease, transform 0.25s ease, border-color 0.25s ease;
}

.document-row:hover {
  border-color: #dddbd5;
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.document-row h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
}

.document-row p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 14px;
}

/* ---------- 表单 ---------- */

.form-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
  align-items: start;
}

.static-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
}

.static-form label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 500;
}

.static-form input,
.static-form textarea,
.static-form select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
  color: var(--ink);
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.static-form input:focus,
.static-form textarea:focus,
.static-form select:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(35, 131, 226, 0.15);
}

.static-form textarea {
  min-height: 110px;
  resize: vertical;
}

.note-box {
  padding: 16px;
  border: 1px solid #cfe3f7;
  border-radius: 10px;
  background: var(--blue-soft);
  color: #183a5a;
  font-size: 14px;
}

.warning-box {
  padding: 16px;
  border: 1px solid #f0dcc3;
  border-radius: 10px;
  background: var(--amber-soft);
  color: var(--amber);
  font-size: 14px;
}

/* ---------- 页脚（浅色） ---------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
  padding: 44px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
  gap: 28px;
}

.site-footer p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
  max-width: 44em;
}

.site-footer a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.site-footer a:hover {
  color: var(--ink);
}

.site-footer .brand {
  color: var(--ink);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 18px;
  font-size: 14px;
}

/* ---------- 响应式 ---------- */

@media (max-width: 980px) {
  .hero,
  .detail-grid,
  .form-shell,
  .boundary,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .package-grid,
  .grid.three,
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  /* 两列/单列布局下步骤连线会指向空处，隐藏之（圆点仍点亮） */
  .step-card::after {
    display: none;
  }

  .side-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  .wrap {
    width: min(var(--max), calc(100% - 28px));
  }

  .nav {
    min-height: 58px;
  }

  .menu-button {
    display: inline-flex;
    margin-left: auto;
  }

  .nav-links {
    position: fixed;
    inset: 58px 0 auto 0;
    display: none;
    margin: 0;
    padding: 14px;
    border-bottom: 1px solid var(--line);
    background: #fff;
    box-shadow: 0 18px 28px rgba(0, 0, 0, 0.08);
  }

  body.menu-open .nav-links {
    display: grid;
  }

  .nav-links a {
    padding: 12px;
  }

  body.menu-open {
    overflow: hidden;
  }

  /* 窄卡宽下徽章绝对定位会压住标题，改为流内排布 */
  .verify-badge {
    position: static;
    margin-bottom: 10px;
    width: fit-content;
  }

  .hero {
    min-height: auto;
    padding: 48px 0 34px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(30px, 9vw, 44px);
  }

  .package-grid,
  .grid.three,
  .grid.two,
  .steps {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 52px 0;
  }

  .section-head {
    display: block;
  }

  .section-head .button,
  .section-head .button-secondary {
    margin-top: 16px;
  }

  .document-row {
    grid-template-columns: 1fr;
  }
}

/* ---------- 降级：减少动态 ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0s !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0s !important;
  }

  .reveal-ready {
    opacity: 1;
    transform: none;
  }

  .js-enabled .step-card:not(.lit)::before {
    opacity: 1;
    transform: none;
  }

  .js-enabled .step-card:not(.lit):not(:last-child)::after {
    transform: none;
  }

  .js-enabled .verify-badge:not(.pop) {
    opacity: 1;
    transform: none;
  }

  .cursor-chip {
    display: none;
  }

  .lg-track {
    animation: none;
    flex-wrap: wrap;
    justify-content: center;
    width: auto;
  }

  .lg-track .logo-set:last-child {
    display: none;
  }

  .logo-set {
    flex-wrap: wrap;
    justify-content: center;
    padding-right: 0;
  }

  .lg-marquee {
    -webkit-mask-image: none;
    mask-image: none;
  }

  .mq-toggle {
    display: none;
  }

  .js-enabled .quote-block:not(.is-visible) .uline path {
    stroke-dashoffset: 0;
  }
}

/* ---------- 打印 ---------- */

@media print {
  .site-header,
  .site-footer,
  .button,
  .button-secondary,
  .button-quiet,
  .filters,
  .cursor-chip,
  .verify-badge {
    display: none;
  }

  /* 未滚入视口的渐入元素在打印里必须复位，否则整段空白 */
  .reveal-ready {
    opacity: 1 !important;
    transform: none !important;
  }

  .mq-toggle {
    display: none;
  }

  .lg-track {
    animation: none;
    width: auto;
    flex-wrap: wrap;
    justify-content: center;
  }

  .lg-track .logo-set:last-child {
    display: none;
  }

  .lg-marquee {
    -webkit-mask-image: none;
    mask-image: none;
  }

  .js-enabled .quote-block:not(.is-visible) .uline path {
    stroke-dashoffset: 0 !important;
  }

  .js-enabled .step-card:not(.lit)::before {
    opacity: 1 !important;
    transform: none !important;
  }

  .js-enabled .step-card:not(.lit):not(:last-child)::after {
    transform: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .section,
  .page-hero {
    padding: 24px 0;
  }

  .card,
  .package-card,
  .info-card,
  .step-card,
  .detail-main section,
  .side-panel {
    break-inside: avoid;
  }
}