/* =========================================================
   开心娱乐 · 共享样式表 /assets/site.css
   结构：令牌 → 重置 → 排版 → 容器 → 组件 → 页头 → 页脚 → 响应式 → 动效
   ========================================================= */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --ink:#0B0D10;
  --paper:#F7F3EC;
  --coral:#FF5A36;
  --coral-press:#D63D1C;
  --amber:#FFB627;
  --deep:#103A5C;
  --mint:#2FBF9B;
  --mint-ink:#14705B;
  --warm:#7A7469;
  --line:#C9C2B6;
  --card:#FFFFFF;
  --soft:#EFE9DF;

  --rail:min(1320px, 100% - 40px);
  --rail-narrow:min(880px, 100% - 40px);

  --pill:999px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --t-fast:160ms;
  --t-mid:240ms;
  --t-slow:400ms;

  --shadow-pill:0 8px 26px rgba(11,13,16,.10);
  --font-sans:"PingFang SC","HarmonyOS Sans SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

/* ---------- 2. 重置 ---------- */
*,
*::before,
*::after{ box-sizing:border-box; }

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

body{
  margin:0;
  padding-top:84px;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:17px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}

body,
p,
li,
td,
th{
  color:var(--ink);
}

img,
svg,
video{ display:block; max-width:100%; }

img{ height:auto; }

a{ color:inherit; }

button{ font:inherit; color:inherit; }

ul,
ol{ margin:0; }

h1,
h2,
h3,
h4{
  margin:0;
  font-weight:800;
  line-height:1.22;
  letter-spacing:.015em;
}

p{ margin:0; }

a:focus-visible,
button:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible{
  outline:3px solid var(--amber);
  outline-offset:3px;
  border-radius:0;
}

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

/* ---------- 3. 排版工具 ---------- */
.display{
  font-size:clamp(38px, 6.4vw, 64px);
  font-weight:800;
  letter-spacing:.05em;
  line-height:1.05;
}

.sec-title{
  font-size:clamp(24px, 3.2vw, 30px);
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.3;
}

.lede{
  font-size:clamp(16.5px, 1.3vw, 18.5px);
  line-height:1.85;
  color:#3A3730;
  max-width:36em;
}

.note{
  font-size:13.5px;
  line-height:1.75;
  letter-spacing:.02em;
  color:var(--warm);
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.22em;
  color:var(--coral-press);
}

.eyebrow::before{
  content:"";
  width:24px;
  height:2px;
  background:var(--coral);
  flex:0 0 auto;
}

.v-note{
  writing-mode:vertical-rl;
  font-size:12px;
  letter-spacing:.34em;
  color:var(--warm);
  line-height:1.2;
}

.rot-note{
  display:inline-block;
  transform:rotate(-90deg);
  transform-origin:left center;
  font-size:11.5px;
  letter-spacing:.3em;
  color:var(--warm);
  white-space:nowrap;
}

.text-link{
  color:var(--coral-press);
  text-decoration:none;
  border-bottom:1px solid currentColor;
  padding-bottom:1px;
  transition:color var(--t-fast) var(--ease);
}

.text-link:hover{ color:var(--coral); }

/* ---------- 4. 容器与区块 ---------- */
.wrap{
  width:var(--rail);
  margin-inline:auto;
}

.wrap--narrow{
  width:var(--rail-narrow);
  margin-inline:auto;
}

.section{
  padding:clamp(44px, 6vw, 80px) 0;
}

.section__head{
  display:grid;
  gap:12px;
  align-content:start;
  margin-bottom:clamp(24px, 3vw, 40px);
  padding-top:22px;
  border-top:1px solid var(--line);
}

.split{
  display:grid;
  grid-template-columns:minmax(0, 1fr);
  gap:32px;
  align-items:start;
}

@media (min-width:900px){
  .split{
    grid-template-columns:minmax(0, .95fr) minmax(0, 1.05fr);
    gap:clamp(32px, 4vw, 56px);
  }
  .split--flip > *:first-child{ order:2; }
  .split--flip > *:last-child{ order:1; }
}

.band{
  padding:clamp(44px, 6vw, 84px) 0;
  border-top:1px solid var(--line);
}

.band--warm{ background:var(--soft); }

.band--ink{
  background:var(--ink);
  border-top-color:rgba(201,194,182,.22);
  color:#F2EDE4;
}

.band--deep{
  background:var(--deep);
  border-top-color:rgba(201,194,182,.22);
  color:#F2EDE4;
}

.band--ink .sec-title,
.band--deep .sec-title,
.band--ink .display,
.band--deep .display{ color:#FFFFFF; }

.band--ink .lede,
.band--deep .lede{ color:rgba(242,237,228,.78); }

.band--ink .note,
.band--deep .note{ color:rgba(242,237,228,.6); }

.grid-field{
  background-image:
    linear-gradient(to right, rgba(201,194,182,.42) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(201,194,182,.42) 1px, transparent 1px);
  background-size:48px 48px;
  background-position:0 0;
}

/* ---------- 5. 面包屑 ---------- */
.crumbs{
  width:var(--rail);
  margin-inline:auto;
  padding:18px 0 0;
  font-size:12.5px;
  letter-spacing:.05em;
  color:var(--warm);
}

.crumbs ol{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  padding:0;
}

.crumbs li + li::before{
  content:"/";
  margin-right:8px;
  color:var(--line);
}

.crumbs a{
  text-decoration:none;
  border-bottom:1px solid var(--line);
  transition:color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.crumbs a:hover{
  color:var(--coral-press);
  border-bottom-color:var(--coral);
}

.crumbs [aria-current="page"]{
  color:var(--ink);
  font-weight:700;
}

/* ---------- 6. 按钮 / 胶囊 / 标签 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:13px 26px;
  border:1px solid var(--ink);
  background:var(--ink);
  color:#FFFFFF;
  font-size:15px;
  font-weight:700;
  letter-spacing:.06em;
  text-decoration:none;
  cursor:pointer;
  transition:background var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease),
             transform var(--t-fast) var(--ease);
}

.btn:hover{ transform:translateY(-1px); }

.btn--coral{
  background:var(--coral);
  border-color:var(--coral);
  color:#FFFFFF;
}

.btn--coral:hover{
  background:var(--coral-press);
  border-color:var(--coral-press);
}

.btn--ghost{
  background:transparent;
  border-color:var(--ink);
  color:var(--ink);
}

.btn--ghost:hover{
  background:var(--ink);
  color:var(--paper);
}

.band--ink .btn--ghost,
.band--deep .btn--ghost{
  border-color:rgba(242,237,228,.6);
  color:#F2EDE4;
}

.band--ink .btn--ghost:hover,
.band--deep .btn--ghost:hover{
  background:#F2EDE4;
  color:var(--ink);
}

.btn--block{
  display:flex;
  width:100%;
  justify-content:center;
}

.pill{
  display:inline-flex;
  align-items:center;
  padding:8px 15px;
  border:1px solid transparent;
  border-radius:var(--pill);
  font-size:13.5px;
  font-weight:600;
  letter-spacing:.03em;
  color:var(--ink);
  text-decoration:none;
  white-space:nowrap;
  cursor:pointer;
  transition:background var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease);
}

.pill:hover{
  background:rgba(255,90,54,.14);
  color:var(--coral-press);
}

.pill[aria-current="page"]{
  background:var(--coral);
  border-color:var(--coral);
  color:#FFFFFF;
}

.pill--quiet{
  background:rgba(255,255,255,.74);
  border-color:var(--line);
}

.pill--quiet:hover{
  background:var(--amber);
  border-color:var(--amber);
  color:var(--ink);
}

.pill--cta{
  background:var(--coral);
  border-color:var(--coral);
  color:#FFFFFF;
}

.pill--cta:hover{
  background:var(--coral-press);
  border-color:var(--coral-press);
  color:#FFFFFF;
}

.tag{
  display:inline-block;
  padding:4px 11px;
  border:1px solid var(--line);
  background:var(--card);
  font-size:12.5px;
  letter-spacing:.1em;
  color:var(--warm);
  line-height:1.6;
}

.tag--coral{
  background:var(--coral);
  border-color:var(--coral);
  color:#FFFFFF;
}

.tag--mint{
  background:rgba(47,191,155,.14);
  border-color:var(--mint);
  color:var(--mint-ink);
}

/* ---------- 7. 资料卡 / 卡片网格 ---------- */
.dossier{
  position:relative;
  display:grid;
  gap:10px;
  align-content:start;
  padding:26px 22px 30px;
  background:var(--card);
  border:1px solid var(--line);
}

.dossier::after{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  height:3px;
  background:linear-gradient(90deg, var(--coral) 0%, var(--amber) 52%, rgba(255,182,39,0) 100%);
}

.dossier__no{
  font-size:11.5px;
  font-weight:700;
  letter-spacing:.26em;
  color:var(--warm);
}

.dossier__title{
  font-size:19px;
  font-weight:800;
  letter-spacing:.02em;
  line-height:1.4;
}

.dossier__meta{
  font-size:13.5px;
  color:var(--warm);
  line-height:1.7;
}

.card-grid{
  display:grid;
  grid-template-columns:minmax(0, 1fr);
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
}

.card-grid > *{
  background:var(--card);
  padding:clamp(20px, 2.4vw, 28px);
}

@media (min-width:720px){
  .card-grid{ grid-template-columns:repeat(2, minmax(0, 1fr)); }
}

@media (min-width:1080px){
  .card-grid--3{ grid-template-columns:repeat(3, minmax(0, 1fr)); }
  .card-grid--4{ grid-template-columns:repeat(4, minmax(0, 1fr)); }
}

/* ---------- 8. 步骤流 ---------- */
.steps{
  list-style:none;
  padding:0;
  counter-reset:step;
  border-top:1px solid var(--line);
}

.step{
  counter-increment:step;
  display:grid;
  grid-template-columns:56px minmax(0, 1fr);
  gap:18px;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}

.step__no{
  display:grid;
  place-items:center;
  width:48px;
  height:48px;
  background:var(--amber);
  color:var(--ink);
  font-size:17px;
  font-weight:800;
  letter-spacing:.02em;
}

.step__no::before{
  content:counter(step, decimal-leading-zero);
}

.step__body{
  display:grid;
  gap:6px;
  align-content:start;
}

.step__title{
  font-size:17px;
  font-weight:800;
  letter-spacing:.02em;
}

.step__text{
  font-size:15.5px;
  line-height:1.8;
  color:#3A3730;
}

@media (max-width:520px){
  .step{
    grid-template-columns:44px minmax(0, 1fr);
    gap:14px;
  }
  .step__no{
    width:38px;
    height:38px;
    font-size:15px;
  }
}

/* ---------- 9. 可展开问答组 ---------- */
.expand{
  background:var(--card);
  border:1px solid var(--line);
}

.expand + .expand{ border-top:0; }

.expand__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 20px;
  font-size:16.5px;
  font-weight:800;
  letter-spacing:.02em;
  cursor:pointer;
  list-style:none;
}

.expand__head::-webkit-details-marker{ display:none; }

.expand__head::after{
  content:"+";
  flex:0 0 auto;
  font-size:22px;
  line-height:1;
  color:var(--coral);
  transition:transform var(--t-mid) var(--ease), color var(--t-fast) var(--ease);
}

.expand[open] .expand__head::after{
  content:"–";
  transform:rotate(180deg);
}

.expand__head:hover{ color:var(--coral-press); }

.expand__body{
  padding:0 20px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:#3A3730;
  border-top:1px solid var(--line);
  padding-top:16px;
}

.expand__meta{
  display:block;
  margin-top:10px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--warm);
}

/* ---------- 10. 图片框基础规则 ---------- */
.frame{
  position:relative;
  display:block;
  overflow:hidden;
  aspect-ratio:4 / 3;
  background:var(--deep);
  border:1px solid var(--line);
}

.frame > img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
}

.frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(150deg, rgba(255,90,54,.34) 0%, rgba(16,58,92,.52) 100%);
}

.frame--glow::before{
  content:"";
  position:absolute;
  right:-14%;
  bottom:-22%;
  width:64%;
  aspect-ratio:1 / 1;
  border-radius:50%;
  background:radial-gradient(circle, rgba(255,182,39,.6) 0%, rgba(255,182,39,0) 70%);
  filter:blur(18px);
  pointer-events:none;
  z-index:1;
}

.frame--16x9{ aspect-ratio:16 / 9; }
.frame--4x3{ aspect-ratio:4 / 3; }
.frame--1x1{ aspect-ratio:1 / 1; }
.frame--3x4{ aspect-ratio:3 / 4; }

.frame__caption{
  position:absolute;
  left:0;
  bottom:0;
  z-index:2;
  padding:8px 14px;
  background:var(--ink);
  color:#F2EDE4;
  font-size:12px;
  letter-spacing:.1em;
}

/* ---------- 11. 数据行 / 自查清单 ---------- */
.data-list{
  list-style:none;
  padding:0;
  margin:0;
  border-top:1px solid var(--line);
}

.data-list__row{
  display:grid;
  grid-template-columns:minmax(0, 8em) minmax(0, 1fr);
  gap:14px;
  padding:12px 0;
  border-bottom:1px solid var(--line);
}

.data-list__key{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--warm);
}

.data-list__val{
  font-size:15px;
  line-height:1.75;
}

.checklist{
  list-style:none;
  padding:0;
  display:grid;
  gap:10px;
}

.checklist__item{
  display:grid;
  grid-template-columns:auto minmax(0, 1fr);
  align-items:start;
  gap:12px;
  padding:12px 14px;
  background:var(--card);
  border:1px solid var(--line);
}

.checklist__btn{
  display:grid;
  place-items:center;
  width:22px;
  height:22px;
  margin-top:6px;
  padding:0;
  border:1px solid var(--line);
  background:var(--card);
  color:transparent;
  font-size:13px;
  line-height:1;
  cursor:pointer;
  transition:background var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease);
}

.checklist__btn::before{ content:"✓"; }

.checklist__btn[aria-pressed="true"],
.checklist__btn.is-on{
  background:var(--mint);
  border-color:var(--mint);
  color:#FFFFFF;
}

/* ---------- 12. 页头 ---------- */
.skip-link{
  position:fixed;
  top:12px;
  left:12px;
  z-index:200;
  padding:10px 18px;
  background:var(--ink);
  color:#FFFFFF;
  font-size:13px;
  letter-spacing:.06em;
  text-decoration:none;
  transform:translateY(-220%);
  transition:transform var(--t-fast) var(--ease);
}

.skip-link:focus{
  transform:translateY(0);
}

.site-header{
  position:fixed;
  top:0;
  left:0;
  right:0;
  z-index:100;
  padding:16px 0 18px;
  background:transparent;
  transition:padding var(--t-mid) var(--ease), background var(--t-mid) var(--ease);
}

.site-header[data-scrolled]{
  padding:10px 0 14px;
  background:linear-gradient(180deg, rgba(247,243,236,.97) 0%, rgba(247,243,236,.86) 62%, rgba(247,243,236,0) 100%);
}

.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  z-index:120;
  width:0;
  height:3px;
  background:linear-gradient(90deg, var(--coral) 0%, var(--amber) 100%);
  transition:width 90ms linear;
}

.header-rail{
  width:var(--rail);
  margin-inline:auto;
  display:flex;
  align-items:center;
  gap:12px;
}

.brand-capsule{
  display:flex;
  flex-direction:column;
  gap:1px;
  flex:0 0 auto;
  padding:8px 20px 9px;
  background:var(--ink);
  border:1px solid var(--ink);
  border-radius:var(--pill);
  text-decoration:none;
  line-height:1.15;
  box-shadow:var(--shadow-pill);
  transition:background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.brand-capsule:hover{
  background:#161A1F;
  border-color:var(--coral);
}

.brand-capsule__mark{
  font-size:17px;
  font-weight:800;
  letter-spacing:.1em;
  color:#FFFFFF;
}

.brand-capsule__domain{
  font-size:11px;
  font-weight:500;
  letter-spacing:.05em;
  color:var(--amber);
}

.pill-nav{
  flex:1 1 auto;
  display:flex;
  justify-content:center;
  min-width:0;
}

.pill-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  padding:5px;
  list-style:none;
  background:rgba(255,255,255,.74);
  border:1px solid var(--line);
  border-radius:var(--pill);
  box-shadow:var(--shadow-pill);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}

.header-actions{
  display:none;
  align-items:center;
  gap:8px;
  flex:0 0 auto;
}

.nav-toggle{
  display:none;
  align-items:center;
  gap:10px;
  margin-left:auto;
  padding:10px 18px;
  background:var(--ink);
  border:1px solid var(--ink);
  border-radius:var(--pill);
  color:#FFFFFF;
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  cursor:pointer;
  transition:background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.nav-toggle:hover{ border-color:var(--coral); }

.nav-toggle__bars{
  position:relative;
  display:block;
  width:16px;
  height:2px;
  background:currentColor;
}

.nav-toggle__bars::before,
.nav-toggle__bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:2px;
  background:currentColor;
  transition:transform var(--t-fast) var(--ease), opacity var(--t-fast) var(--ease);
}

.nav-toggle__bars::before{ top:-5px; }
.nav-toggle__bars::after{ top:5px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars{ background:transparent; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{
  transform:translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{
  transform:translateY(-5px) rotate(-45deg);
}

.nav-toggle__text{ line-height:1; }

/* ---------- 13. 页脚 ---------- */
.site-footer{
  margin-top:clamp(56px, 8vw, 104px);
  background:var(--ink);
  border-top:3px solid var(--coral);
  color:#EDE7DC;
}

.footer-rail{
  width:var(--rail);
  margin-inline:auto;
  padding:clamp(40px, 5vw, 62px) 0 0;
}

.footer-brand{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  gap:6px 20px;
  padding-bottom:26px;
  border-bottom:1px solid rgba(201,194,182,.26);
}

.footer-brand__mark{
  font-size:26px;
  font-weight:800;
  letter-spacing:.12em;
  color:#FFFFFF;
}

.footer-brand__domain{
  font-size:13px;
  letter-spacing:.06em;
  color:var(--amber);
}

.footer-brand__line{
  flex:1 1 100%;
  font-size:13.5px;
  line-height:1.7;
  color:#9A9488;
}

.footer-cols{
  display:grid;
  grid-template-columns:minmax(0, 1fr);
  gap:1px;
  margin-top:2px;
  background:rgba(201,194,182,.26);
  border-bottom:1px solid rgba(201,194,182,.26);
}

.footer-col{
  background:var(--ink);
  padding:26px 22px 30px;
}

.footer-col__title{
  margin-bottom:14px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.2em;
  color:var(--amber);
}

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

.footer-nav a,
.footer-links a{
  font-size:14.5px;
  color:#EDE7DC;
  text-decoration:none;
  border-bottom:1px solid transparent;
  padding-bottom:1px;
  transition:color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.footer-nav a:hover,
.footer-links a:hover{
  color:var(--coral);
  border-bottom-color:var(--coral);
}

.footer-links{
  list-style:none;
  padding:0;
  display:grid;
  gap:8px;
}

.footer-text{
  margin-bottom:14px;
  font-size:14px;
  line-height:1.8;
  color:#B8B2A6;
}

.contact-list{
  list-style:none;
  padding:0;
  display:grid;
  gap:14px;
}

.contact-list__item{
  display:grid;
  grid-template-columns:minmax(0, 1fr) auto;
  align-items:center;
  gap:4px 12px;
}

.contact-list__label{
  grid-column:1 / -1;
  font-size:11.5px;
  letter-spacing:.18em;
  color:#8A8578;
}

.contact-list__value{
  font-size:13.5px;
  line-height:1.6;
  color:#EDE7DC;
  word-break:break-all;
}

.copy-btn{
  padding:5px 11px;
  background:transparent;
  border:1px solid rgba(201,194,182,.42);
  color:#EDE7DC;
  font-size:11.5px;
  letter-spacing:.1em;
  cursor:pointer;
  transition:background var(--t-fast) var(--ease),
             border-color var(--t-fast) var(--ease),
             color var(--t-fast) var(--ease);
}

.copy-btn:hover{
  background:var(--coral);
  border-color:var(--coral);
  color:#FFFFFF;
}

.copy-btn.is-done{
  background:var(--mint);
  border-color:var(--mint);
  color:var(--ink);
}

.footer-note{
  margin-top:14px;
  font-size:12.5px;
  line-height:1.7;
  color:#8A8578;
}

.footer-legal{
  margin-bottom:14px;
  font-size:13.5px;
  letter-spacing:.06em;
  color:#EDE7DC;
}

.footer-sub{
  margin-bottom:8px;
  font-size:12px;
  letter-spacing:.16em;
  color:#8A8578;
}

.req-list{
  list-style:none;
  padding:0;
  display:grid;
  gap:7px;
}

.req-list li{
  position:relative;
  padding-left:14px;
  font-size:13px;
  line-height:1.7;
  color:#B8B2A6;
}

.req-list li::before{
  content:"";
  position:absolute;
  left:0;
  top:.72em;
  width:6px;
  height:1px;
  background:var(--coral);
}

.footer-base{
  display:flex;
  flex-wrap:wrap;
  align-items:baseline;
  justify-content:space-between;
  gap:12px 28px;
  padding:22px 0 32px;
}

.footer-cta{
  font-size:14px;
  line-height:1.8;
  color:#B8B2A6;
}

.footer-cta a{
  color:var(--amber);
  text-decoration:none;
  border-bottom:1px solid currentColor;
  padding-bottom:1px;
  transition:color var(--t-fast) var(--ease);
}

.footer-cta a:hover{ color:var(--coral); }

.footer-meta{
  font-size:12.5px;
  letter-spacing:.05em;
  color:#7A7469;
}

.footer-meta a{
  color:#9A9488;
  text-decoration:none;
  border-bottom:1px solid rgba(154,148,136,.6);
}

.footer-meta a:hover{
  color:var(--coral);
  border-bottom-color:var(--coral);
}

/* ---------- 14. 响应式 ---------- */
@media (max-width:1079px){
  body{ padding-top:76px; }

  .nav-toggle{ display:inline-flex; }

  .header-actions{ display:none; }

  .header-rail{
    flex-wrap:wrap;
    row-gap:0;
  }

  .pill-nav{
    order:3;
    flex:1 1 100%;
    width:100%;
    max-height:0;
    overflow:hidden;
    opacity:0;
    transition:max-height var(--t-mid) var(--ease), opacity var(--t-fast) var(--ease);
  }

  .pill-nav[data-open]{
    max-height:96px;
    opacity:1;
    padding-top:8px;
  }

  .pill-nav__list{
    flex-wrap:nowrap;
    justify-content:flex-start;
    overflow-x:auto;
    overscroll-behavior-x:contain;
    scroll-snap-type:x proximity;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
  }

  .pill-nav__list::-webkit-scrollbar{ display:none; }

  .pill{ scroll-snap-align:start; }
}

@media (min-width:1180px){
  .header-actions{ display:flex; }
  .header-actions .pill--quiet{ display:none; }
}

@media (min-width:1360px){
  .header-actions .pill--quiet{ display:inline-flex; }
}

@media (min-width:700px){
  .footer-cols{ grid-template-columns:repeat(2, minmax(0, 1fr)); }
}

@media (min-width:1080px){
  .footer-cols{ grid-template-columns:repeat(4, minmax(0, 1fr)); }
}

@media (max-width:480px){
  body{ font-size:16.5px; }
  .wrap,
  .wrap--narrow,
  .crumbs,
  .header-rail,
  .footer-rail{ width:min(100% - 28px, 1320px); }
  .brand-capsule{ padding:7px 15px 8px; }
  .brand-capsule__mark{ font-size:15.5px; }
  .brand-capsule__domain{ font-size:10.5px; }
  .copy-btn{ padding:4px 9px; }
}

/* ---------- 15. 显现与动效 ---------- */
[data-reveal].is-armed{
  opacity:0;
  transform:translateY(16px);
  transition:opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

[data-reveal].is-armed.is-in{
  opacity:1;
  transform:none;
}

@media (prefers-reduced-motion: no-preference){
  html{ scroll-behavior:smooth; }
}

@media (prefers-reduced-motion: reduce){
  *,
  *::before,
  *::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }

  [data-reveal].is-armed{
    opacity:1;
    transform:none;
  }

  .btn:hover{ transform:none; }
}