/* ============================================================
   澳亚国际主站 — 共享样式表 /assets/site.css
   深海蓝轨道 · 珊瑚橙行动 · 连续画布
   ============================================================ */

/* ---------- 1. 设计令牌 ---------- */
:root{
  --deep-blue:#0B2C4A;
  --coral:#FF6B4A;
  --palm:#1F8A70;
  --pearl:#FAF7F0;
  --ink:#071A2B;
  --lagoon:#4FB3BF;
  --sand:#E8D9C0;
  --amber:#F2A93B;
  --indigo:#4B3F72;
  --wine:#7A2E3A;
  --mist:#D9E2E8;

  --font-display:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  --font-body:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;

  --step-12:12px;
  --step-14:14px;
  --step-16:16px;
  --step-20:20px;
  --step-28:28px;
  --step-40:40px;
  --step-64:64px;
  --step-96:96px;

  --rail-w:272px;
  --shell-max:1180px;
  --gutter:clamp(20px,5vw,64px);
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:12px;
  --radius-pill:999px;
  --shadow-soft:0 18px 44px -24px rgba(11,44,74,.45);
  --ease-out:cubic-bezier(.22,.68,.32,1);
}

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

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

body{
  margin:0;
  font-family:var(--font-body);
  font-size:17px;
  font-weight:400;
  line-height:1.85;
  letter-spacing:.01em;
  color:var(--ink);
  background-color:var(--pearl);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

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

button{font:inherit;color:inherit;}

h1,h2,h3,h4,h5{
  font-family:var(--font-display);
  font-weight:900;
  line-height:1.08;
  letter-spacing:-.03em;
  margin:0 0 .5em;
  color:var(--ink);
}

p{margin:0 0 1em;}

a{color:inherit;}

ul,ol{margin:0;padding:0;}

:focus-visible{
  outline:3px solid var(--amber);
  outline-offset:3px;
  border-radius:6px;
}

/* ---------- 3. 工具类 ---------- */
.visually-hidden{
  position:absolute!important;
  width:1px;height:1px;
  padding:0;margin:-1px;
  overflow:hidden;
  clip:rect(0 0 0 0);
  white-space:nowrap;
  border:0;
}

.mono-label{
  display:block;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.6;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--lagoon);
}

.rule{
  height:1px;
  border:0;
  margin:clamp(28px,4vw,56px) 0;
  background:linear-gradient(90deg,rgba(11,44,74,.28),rgba(11,44,74,0));
}

.band--deep .rule,
.band--indigo .rule,
.site-footer .rule{
  background:linear-gradient(90deg,rgba(250,247,240,.34),rgba(250,247,240,0));
}

/* ---------- 4. 跳转链接 ---------- */
.skip-link{
  position:fixed;
  top:-80px;
  left:16px;
  z-index:200;
  padding:11px 20px;
  border-radius:0 0 var(--radius-sm) var(--radius-sm);
  background-color:var(--amber);
  color:var(--ink);
  font-size:15px;
  font-weight:700;
  text-decoration:none;
  transition:top .2s var(--ease-out);
}

.skip-link:focus{
  top:0;
}

/* ---------- 5. 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 24px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--font-body);
  font-size:15px;
  font-weight:700;
  line-height:1.2;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:background-color .2s var(--ease-out),
             color .2s var(--ease-out),
             border-color .2s var(--ease-out),
             transform .2s var(--ease-out);
}

.btn--primary{
  background-color:var(--coral);
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(255,107,74,.9);
}

.btn--primary:hover{
  background-color:#ff8266;
  transform:translateY(-1px);
}

.btn--ghost{
  background-color:transparent;
  border-color:rgba(11,44,74,.3);
  color:var(--deep-blue);
}

.btn--ghost:hover{
  background-color:rgba(11,44,74,.07);
}

.band--deep .btn--ghost,
.band--indigo .btn--ghost,
.site-footer .btn--ghost{
  border-color:rgba(250,247,240,.42);
  color:var(--pearl);
}

.band--deep .btn--ghost:hover,
.band--indigo .btn--ghost:hover,
.site-footer .btn--ghost:hover{
  background-color:rgba(250,247,240,.12);
}

.btn--block{
  width:100%;
}

/* ---------- 6. 头部外壳 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:70;
}

/* 移动端品牌条 */
.mobile-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  min-height:62px;
  padding:8px 16px;
  background-color:var(--deep-blue);
  border-bottom:1px solid rgba(250,247,240,.14);
}

.mobile-bar__brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  color:var(--pearl);
}

.mobile-bar__name{
  font-family:var(--font-display);
  font-size:17px;
  font-weight:900;
  letter-spacing:.02em;
  color:var(--pearl);
}

.brand-glyph{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  flex:0 0 auto;
  width:36px;
  height:36px;
  border-radius:var(--radius-sm);
  background-image:linear-gradient(135deg,var(--coral),var(--amber));
  color:#fff;
  font-family:var(--font-display);
  font-size:18px;
  font-weight:900;
  letter-spacing:0;
  line-height:1;
}

.brand-glyph--rail{
  width:46px;
  height:46px;
  border-radius:15px;
  font-size:23px;
}

/* 抽屉按钮 */
.nav-toggle{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:9px 15px;
  border:1px solid rgba(250,247,240,.26);
  border-radius:var(--radius-pill);
  background-color:rgba(250,247,240,.08);
  color:var(--pearl);
  cursor:pointer;
}

.nav-toggle__label{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.16em;
  text-transform:uppercase;
}

.nav-toggle__bars{
  display:inline-flex;
  flex-direction:column;
  justify-content:center;
  gap:4px;
  width:18px;
}

.nav-toggle__bars i{
  display:block;
  height:2px;
  border-radius:2px;
  background-color:currentColor;
  transition:transform .24s var(--ease-out),opacity .24s var(--ease-out);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){
  transform:translateY(6px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(2){
  opacity:0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(3){
  transform:translateY(-6px) rotate(-45deg);
}

/* ---------- 7. 侧边轨道 ---------- */
.brand-rail{
  background-color:var(--deep-blue);
  background-image:
    radial-gradient(120% 58% at 100% 0%,rgba(79,179,191,.30),rgba(79,179,191,0) 62%),
    radial-gradient(96% 52% at 0% 100%,rgba(255,107,74,.24),rgba(255,107,74,0) 64%);
  color:var(--pearl);
}

.brand-rail__brand{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px 12px;
  padding:0 4px 20px;
  margin-bottom:22px;
  border-bottom:1px dashed rgba(250,247,240,.24);
  text-decoration:none;
  color:var(--pearl);
}

.brand-rail__name{
  font-family:var(--font-display);
  font-size:25px;
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--pearl);
}

.brand-rail__tagline{
  flex:1 0 100%;
  font-size:13px;
  line-height:1.7;
  letter-spacing:.02em;
  color:rgba(250,247,240,.66);
}

.rail-nav{
  flex:0 1 auto;
  min-height:0;
  overflow-y:auto;
}

.rail-nav__heading{
  margin:0 0 12px;
  padding-left:14px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.24em;
  text-transform:uppercase;
  color:rgba(250,247,240,.5);
}

.rail-nav__list{
  list-style:none;
  margin:0;
  padding:0;
}

.rail-nav__item + .rail-nav__item{
  margin-top:2px;
}

.rail-nav__link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 14px;
  border-left:3px solid transparent;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:rgba(250,247,240,.74);
  font-size:16px;
  font-weight:600;
  text-decoration:none;
  transition:background-color .2s var(--ease-out),
             color .2s var(--ease-out),
             border-color .2s var(--ease-out);
}

.rail-nav__link:hover{
  background-color:rgba(250,247,240,.09);
  color:#fff;
}

.rail-nav__link[aria-current="page"]{
  background-image:linear-gradient(90deg,rgba(255,107,74,.30),rgba(255,107,74,0) 94%);
  border-left-color:var(--coral);
  color:#fff;
}

.rail-nav__index{
  flex:0 0 auto;
  min-width:1.7em;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--lagoon);
}

.rail-nav__link[aria-current="page"] .rail-nav__index{
  color:var(--amber);
}

.rail-nav__label{
  flex:1 1 auto;
}

.brand-rail__foot{
  display:grid;
  gap:16px;
  margin-top:auto;
  padding-top:26px;
}

.brand-rail__phone{
  margin:0;
  font-size:14px;
  color:rgba(250,247,240,.76);
}

.brand-rail__number{
  display:block;
  margin-top:2px;
  font-family:var(--font-mono);
  font-size:18px;
  letter-spacing:.06em;
  color:var(--pearl);
}

/* ---------- 8. 移动端抽屉状态 ---------- */
@media (max-width:1023px){
  .brand-rail{
    position:fixed;
    top:0;
    right:0;
    bottom:0;
    z-index:80;
    display:flex;
    flex-direction:column;
    width:min(88vw,344px);
    padding:24px 20px calc(28px + env(safe-area-inset-bottom));
    overflow-y:auto;
    visibility:hidden;
    transform:translateX(102%);
    transition:transform .3s var(--ease-out),visibility .3s var(--ease-out);
  }

  .brand-rail[data-open]{
    visibility:visible;
    transform:translateX(0);
  }

  .rail-nav{
    overflow:visible;
  }

  .rail-nav__link{
    padding:13px 14px;
    font-size:17px;
  }

  .brand-rail__foot{
    margin-top:28px;
  }

  body[data-nav-open]{
    overflow:hidden;
  }

  body[data-nav-open]::after{
    content:"";
    position:fixed;
    inset:0;
    z-index:75;
    background-color:rgba(7,26,43,.58);
  }
}

/* ---------- 9. 桌面端轨道常驻 ---------- */
@media (min-width:1024px){
  body{
    padding-left:var(--rail-w);
  }

  .site-header{
    position:fixed;
    top:0;
    left:0;
    bottom:0;
    width:var(--rail-w);
    z-index:80;
  }

  .mobile-bar{
    display:none;
  }

  .brand-rail{
    display:flex;
    flex-direction:column;
    height:100%;
    padding:30px 22px 26px;
    overflow:hidden;
    border-right:1px solid rgba(250,247,240,.12);
  }

  .brand-rail::after{
    content:"";
    position:absolute;
    left:0;
    right:0;
    bottom:0;
    height:120px;
    pointer-events:none;
    background:linear-gradient(180deg,rgba(11,44,74,0),rgba(11,44,74,.9));
  }

  .rail-nav__list{
    padding-right:6px;
  }
}

/* ---------- 10. 页脚 ---------- */
.site-footer{
  position:relative;
  padding:clamp(44px,6vw,76px) var(--gutter) 26px;
  background-color:var(--deep-blue);
  background-image:
    radial-gradient(92% 62% at 100% 0%,rgba(79,179,191,.18),rgba(79,179,191,0) 60%),
    radial-gradient(84% 62% at 0% 100%,rgba(122,46,58,.34),rgba(122,46,58,0) 64%);
  color:rgba(250,247,240,.82);
}

.site-footer::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  right:0;
  height:6px;
  background-image:linear-gradient(90deg,
    var(--coral) 0 28%,
    var(--amber) 28% 48%,
    var(--palm) 48% 76%,
    var(--lagoon) 76% 100%);
}

.site-footer__grid{
  display:grid;
  grid-template-columns:1fr;
  gap:34px 40px;
  max-width:var(--shell-max);
  margin:0 auto;
}

.site-footer__brand{
  max-width:42ch;
}

.footer-brand{
  margin:0 0 12px;
  font-family:var(--font-display);
  font-size:23px;
  font-weight:900;
  letter-spacing:-.01em;
  color:var(--pearl);
}

.footer-summary{
  margin:0 0 16px;
  font-size:15px;
  line-height:1.8;
  color:rgba(250,247,240,.76);
}

.footer-review{
  margin:0;
  padding-left:14px;
  border-left:3px solid var(--coral);
  font-size:14px;
  line-height:1.75;
  color:var(--sand);
}

.footer-links ul{
  list-style:none;
  margin:0;
  padding:0;
}

.footer-links__heading{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--lagoon);
}

.footer-links li{
  margin-bottom:9px;
}

.footer-links a{
  display:inline-block;
  font-size:15px;
  color:rgba(250,247,240,.8);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color .2s var(--ease-out),border-color .2s var(--ease-out);
}

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

.site-footer__contact .contact-list{
  list-style:none;
  margin:0;
  padding:0;
}

.contact-list li{
  margin-bottom:14px;
  font-size:15px;
  line-height:1.7;
  color:rgba(250,247,240,.8);
  word-break:break-word;
}

.contact-list .mono-label{
  margin-bottom:2px;
  color:rgba(79,179,191,.9);
}

.site-footer__base{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:10px 28px;
  max-width:var(--shell-max);
  margin:clamp(32px,4vw,52px) auto 0;
  padding-top:20px;
  border-top:1px solid rgba(250,247,240,.16);
  font-size:13px;
  line-height:1.7;
  color:rgba(250,247,240,.62);
}

.footer-legal,
.footer-note{
  margin:0;
}

.footer-note{
  max-width:58ch;
}

@media (min-width:640px){
  .site-footer__grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (min-width:1024px){
  .site-footer__grid{
    grid-template-columns:1.7fr 1fr 1fr 1.5fr;
  }
}

/* ---------- 11. 内容容器与色带 ---------- */
.canvas{
  width:100%;
  max-width:var(--shell-max);
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}

.canvas--narrow{
  max-width:780px;
}

.band{
  padding:clamp(48px,7vw,104px) 0;
}

.band--pearl{
  background-color:var(--pearl);
}

.band--sand{
  background-color:var(--sand);
  color:var(--ink);
}

.band--mist{
  background-color:var(--mist);
  color:var(--ink);
}

.band--deep{
  background-color:var(--deep-blue);
  color:var(--pearl);
}

.band--indigo{
  background-color:var(--indigo);
  color:var(--pearl);
}

.band--deep h1,
.band--deep h2,
.band--deep h3,
.band--indigo h1,
.band--indigo h2,
.band--indigo h3{
  color:var(--pearl);
}

.band--deep .mono-label,
.band--indigo .mono-label{
  color:rgba(79,179,191,.95);
}

/* ---------- 12. 网格 ---------- */
.grid{
  display:grid;
  grid-template-columns:1fr;
  gap:clamp(20px,3vw,40px);
}

@media (min-width:700px){
  .grid--2,
  .grid--3,
  .grid--4{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (min-width:1040px){
  .grid--3{
    grid-template-columns:repeat(3,minmax(0,1fr));
  }

  .grid--4{
    grid-template-columns:repeat(4,minmax(0,1fr));
  }

  .grid--7-5{
    grid-template-columns:7fr 5fr;
  }

  .grid--8-4{
    grid-template-columns:8fr 4fr;
  }
}

@media (min-width:900px) and (max-width:1039px){
  .grid--7-5{
    grid-template-columns:7fr 5fr;
  }

  .grid--8-4{
    grid-template-columns:8fr 4fr;
  }
}

/* ---------- 13. 章节标题 ---------- */
.section-head{
  display:grid;
  gap:12px;
  max-width:820px;
  margin-bottom:clamp(26px,4vw,46px);
}

.section-head__index{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--coral);
}

.section-head__title{
  margin:0;
  font-size:clamp(28px,4vw,48px);
  font-weight:900;
  line-height:1.06;
  letter-spacing:-.03em;
}

.section-head__note{
  margin:0;
  max-width:64ch;
  font-size:17px;
  line-height:1.8;
  color:rgba(7,26,43,.7);
}

.band--deep .section-head__note,
.band--indigo .section-head__note{
  color:rgba(250,247,240,.76);
}

.band--deep .section-head__index,
.band--indigo .section-head__index{
  color:var(--amber);
}

/* ---------- 14. 图片容器 ---------- */
.figure-frame{
  position:relative;
  overflow:hidden;
  aspect-ratio:4 / 3;
  border-radius:var(--radius-lg);
  background-color:var(--mist);
  background-image:linear-gradient(140deg,rgba(79,179,191,.34),rgba(11,44,74,.2));
}

.figure-frame img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.figure-frame--wide{
  aspect-ratio:16 / 9;
}

.figure-frame--tall{
  aspect-ratio:3 / 4;
}

.figure-frame--round{
  aspect-ratio:1 / 1;
  border-radius:50%;
}

.figure-frame__cap{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  padding:34px 20px 16px;
  background-image:linear-gradient(180deg,rgba(7,26,43,0),rgba(7,26,43,.82));
  color:var(--pearl);
  font-size:14px;
  line-height:1.65;
}

/* ---------- 15. 标签与旁注 ---------- */
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--radius-pill);
  background-color:var(--mist);
  color:var(--deep-blue);
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  line-height:1.3;
}

.tag--coral{
  background-color:rgba(255,107,74,.18);
  color:#a8361c;
}

.tag--palm{
  background-color:rgba(31,138,112,.18);
  color:#0f5a47;
}

.tag--amber{
  background-color:rgba(242,169,59,.22);
  color:#7d5104;
}

.tag--indigo{
  background-color:rgba(75,63,114,.18);
  color:#332a54;
}

.band--deep .tag,
.band--indigo .tag{
  background-color:rgba(250,247,240,.14);
  color:var(--pearl);
}

.note-margin{
  margin:0;
  padding:10px 0 10px 16px;
  border-left:3px solid var(--lagoon);
  font-size:15px;
  line-height:1.75;
  color:rgba(7,26,43,.72);
}

.band--deep .note-margin,
.band--indigo .note-margin{
  color:rgba(250,247,240,.78);
  border-left-color:var(--amber);
}

/* ---------- 16. 评分 ---------- */
.rating{
  display:flex;
  align-items:center;
  gap:12px;
}

.rating__value{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:20px;
  font-weight:700;
  letter-spacing:.02em;
  color:var(--deep-blue);
}

.band--deep .rating__value,
.band--indigo .rating__value{
  color:var(--pearl);
}

.rating__bar{
  flex:1 1 auto;
  height:6px;
  border-radius:var(--radius-pill);
  background-color:var(--mist);
  overflow:hidden;
}

.band--deep .rating__bar,
.band--indigo .rating__bar{
  background-color:rgba(250,247,240,.2);
}

.rating__fill{
  display:block;
  height:100%;
  width:0;
  border-radius:var(--radius-pill);
  background-image:linear-gradient(90deg,var(--amber),var(--coral));
}

/* ---------- 17. 分段控件 ---------- */
.segmented{
  display:inline-flex;
  flex-wrap:wrap;
  gap:6px;
  padding:6px;
  border:1px solid rgba(11,44,74,.12);
  border-radius:var(--radius-pill);
  background-color:var(--mist);
}

.segmented__tab{
  appearance:none;
  border:0;
  padding:10px 18px;
  border-radius:var(--radius-pill);
  background-color:transparent;
  color:rgba(7,26,43,.72);
  font-family:var(--font-mono);
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  cursor:pointer;
  transition:background-color .2s var(--ease-out),color .2s var(--ease-out);
}

.segmented__tab[aria-selected="true"]{
  background-color:var(--deep-blue);
  color:var(--pearl);
}

.segmented--on-dark{
  background-color:rgba(250,247,240,.12);
  border-color:rgba(250,247,240,.2);
}

.segmented--on-dark .segmented__tab{
  color:rgba(250,247,240,.8);
}

.segmented--on-dark .segmented__tab[aria-selected="true"]{
  background-color:var(--coral);
  color:#fff;
}

.segmented__panel{
  padding-top:22px;
}

.segmented__panel[hidden]{
  display:none;
}

/* ---------- 18. 正文与面包屑 ---------- */
.prose{
  max-width:760px;
}

.prose p{
  margin:0 0 1.15em;
  font-size:17px;
  line-height:1.85;
  letter-spacing:.01em;
  color:rgba(7,26,43,.88);
}

.prose h2{
  margin:1.9em 0 .6em;
  font-size:clamp(24px,3vw,34px);
  font-weight:900;
  letter-spacing:-.02em;
}

.prose h3{
  margin:1.6em 0 .5em;
  font-size:clamp(19px,2.2vw,24px);
  font-weight:800;
}

.prose ul,
.prose ol{
  margin:0 0 1.25em;
  padding-left:1.3em;
}

.prose li{
  margin-bottom:.5em;
  line-height:1.8;
  color:rgba(7,26,43,.88);
}

.prose a{
  color:var(--palm);
  text-decoration:underline;
  text-underline-offset:3px;
}

.band--deep .prose p,
.band--deep .prose li,
.band--indigo .prose p,
.band--indigo .prose li{
  color:rgba(250,247,240,.84);
}

.band--deep .prose a,
.band--indigo .prose a{
  color:var(--amber);
}

.breadcrumbs{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:6px 10px;
  margin:0 0 clamp(20px,3vw,32px);
  padding:0;
  list-style:none;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  color:rgba(7,26,43,.56);
}

.breadcrumbs a{
  color:var(--palm);
  text-decoration:none;
}

.breadcrumbs a:hover{
  text-decoration:underline;
  text-underline-offset:3px;
}

.breadcrumbs__sep{
  color:rgba(7,26,43,.34);
}

.breadcrumbs--on-dark{
  color:rgba(250,247,240,.6);
}

.breadcrumbs--on-dark a{
  color:var(--lagoon);
}

.breadcrumbs--on-dark .breadcrumbs__sep{
  color:rgba(250,247,240,.34);
}

/* ---------- 19. 滚动显现与进度 ---------- */
.reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .55s var(--ease-out),transform .55s var(--ease-out);
}

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

.scroll-progress{
  position:fixed;
  top:0;
  left:0;
  z-index:120;
  width:100%;
  height:3px;
  transform:scaleX(0);
  transform-origin:0 50%;
  background-image:linear-gradient(90deg,var(--coral),var(--amber),var(--lagoon));
  pointer-events:none;
}

@media (min-width:1024px){
  .scroll-progress{
    left:var(--rail-w);
    width:calc(100% - var(--rail-w));
  }
}

/* ---------- 20. 动效降级 ---------- */
@media (prefers-reduced-motion:reduce){
  html{
    scroll-behavior:auto;
  }

  *,
  *::before,
  *::after{
    animation-duration:.001ms!important;
    animation-iteration-count:1!important;
    transition-duration:.001ms!important;
  }

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

  .brand-rail{
    transition:none;
  }
}