/* =========================================================
   乐鱼赛事 · Site Kit 共享样式 /assets/site.css
   01 设计变量  02 reset  03 中文排版  04 布局容器
   05 头部  06 页脚  07 通用组件  08 动效  09 响应式
   ========================================================= */

/* ---------- 01 设计变量 ---------- */
:root{
  --ink:#06111F;
  --panel:#0B1E33;
  --card:#12304A;
  --cyan:#2DE2E6;
  --cyan-soft:#7CF5F1;
  --coral:#FF6B4A;
  --amber:#FFC247;
  --mint:#3DFFA8;
  --paper:#F4F7FB;
  --slate:#9FB3C8;
  --line:#27435F;

  --shell:1440px;
  --radius-s:8px;
  --radius-m:14px;
  --radius-l:22px;
  --radius-pill:999px;

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

  --stack-shadow:10px 10px 0 -4px rgba(39,67,95,.32);
  --deep-shadow:0 30px 60px -48px #000;
  --ease:cubic-bezier(.2,.7,.3,1);
}

/* ---------- 02 reset ---------- */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body,h1,h2,h3,h4,h5,h6,p,figure,blockquote,dl,dd{margin:0;}
h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit;}
img,svg,video{display:block;max-width:100%;height:auto;}
button,input,select,textarea{font:inherit;color:inherit;}
table{border-collapse:collapse;width:100%;}
fieldset{border:0;padding:0;margin:0;}

body{
  min-height:100vh;
  background-color:var(--ink);
  background-image:
    radial-gradient(1180px 620px at 6% -12%, rgba(45,226,230,.14), transparent 62%),
    radial-gradient(980px 540px at 104% 2%, rgba(255,107,74,.13), transparent 64%),
    repeating-linear-gradient(0deg, rgba(39,67,95,.22) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(90deg, rgba(39,67,95,.16) 0 1px, transparent 1px 96px);
  background-repeat:no-repeat,no-repeat,repeat,repeat;
  color:var(--paper);
  font-family:var(--sans);
  font-size:1rem;
  line-height:1.7;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}

/* ---------- 03 中文排版 ---------- */
h1,h2,h3,h4{font-weight:800;color:var(--paper);}
h1{font-size:clamp(2.6rem,6vw,5.4rem);line-height:1.02;letter-spacing:-.02em;}
h2{font-size:clamp(1.8rem,3vw,3rem);line-height:1.06;letter-spacing:-.02em;}
h3{font-size:1.35rem;line-height:1.28;letter-spacing:-.01em;font-weight:700;}
h4{font-size:1.05rem;line-height:1.4;font-weight:700;}
p{line-height:1.7;}
strong{font-weight:700;color:var(--paper);}

a{color:var(--cyan);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;}
a:hover{color:var(--cyan-soft);}

.mono{font-family:var(--mono);font-variant-numeric:tabular-nums;letter-spacing:.02em;}

:focus-visible,
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible{
  outline:2px solid var(--cyan);
  outline-offset:3px;
  border-radius:6px;
}

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

/* ---------- 04 布局容器 ---------- */
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:clamp(16px,4vw,56px);
}

.section{padding-block:clamp(40px,6vw,88px);}
.section--tight{padding-block:clamp(24px,3.4vw,44px);}

.section-head{
  display:flex;
  flex-wrap:wrap;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom:clamp(18px,2.6vw,34px);
}

.lede{
  max-width:62ch;
  color:var(--slate);
  font-size:1.02rem;
  line-height:1.75;
}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cyan);
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;
  background:linear-gradient(90deg,var(--cyan),rgba(45,226,230,0));
}

.grid{display:grid;gap:clamp(16px,2vw,28px);}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr));}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr));}
.grid--aside{
  grid-template-columns:minmax(180px,240px) minmax(0,1fr);
  gap:clamp(20px,3vw,48px);
  align-items:start;
}

/* ---------- 05 头部 ---------- */
.skip-link{
  position:absolute;
  left:16px;
  top:-80px;
  z-index:200;
  display:inline-flex;
  align-items:center;
  padding:10px 20px;
  border-radius:var(--radius-pill);
  background:var(--cyan);
  color:#032126;
  font-weight:700;
  font-size:.9rem;
  text-decoration:none;
  box-shadow:0 14px 30px -16px rgba(45,226,230,.9);
  transition:top .22s var(--ease);
}
.skip-link:focus,
.skip-link:focus-visible{
  top:14px;
  color:#032126;
}

.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:linear-gradient(180deg, rgba(6,17,31,.95), rgba(6,17,31,.72));
  -webkit-backdrop-filter:blur(14px) saturate(125%);
  backdrop-filter:blur(14px) saturate(125%);
  border-bottom:1px solid transparent;
  transition:background .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);
}
.site-header[data-scrolled="true"]{
  background:rgba(6,17,31,.96);
  border-bottom-color:var(--line);
  box-shadow:0 22px 44px -34px #000;
}

/* 播报轨 */
.header-rail{
  overflow:hidden;
  max-height:48px;
  border-bottom:1px solid rgba(39,67,95,.55);
  transition:max-height .34s var(--ease),opacity .24s var(--ease),border-color .3s var(--ease);
}
.site-header[data-scrolled="true"] .header-rail{
  max-height:0;
  opacity:0;
  border-bottom-color:transparent;
}
.header-rail__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding-block:9px;
  font-family:var(--mono);
  font-size:.72rem;
  font-weight:500;
  letter-spacing:.1em;
  color:var(--slate);
}
.rail-note{
  display:inline-flex;
  align-items:center;
  gap:9px;
  color:var(--paper);
  white-space:nowrap;
}
.rail-note .mono{color:var(--coral);font-weight:700;}
.rail-quick{
  color:var(--slate);
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.dot{
  width:7px;height:7px;
  flex:0 0 auto;
  border-radius:50%;
  background:var(--mint);
  box-shadow:0 0 0 3px rgba(61,255,168,.18);
  animation:dotPulse 2.4s ease-in-out infinite;
}
@keyframes dotPulse{
  0%,100%{box-shadow:0 0 0 3px rgba(61,255,168,.18);}
  50%{box-shadow:0 0 0 7px rgba(61,255,168,.04);}
}

/* 悬浮胶囊岛 */
.nav-island{position:relative;}
.nav-island__inner{
  position:relative;
  display:flex;
  align-items:center;
  gap:clamp(10px,1.6vw,24px);
  margin-block:10px 13px;
  padding:8px 10px 8px 14px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:linear-gradient(180deg, rgba(18,48,74,.94), rgba(11,30,51,.92));
  box-shadow:0 20px 44px -30px #000, inset 0 1px 0 rgba(124,245,241,.09);
  transition:padding .3s var(--ease),background .3s var(--ease);
}
.site-header[data-scrolled="true"] .nav-island__inner{
  margin-block:8px 10px;
  padding-block:5px;
}

.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--paper);
  text-decoration:none;
  transition:color .2s var(--ease);
}
.brand:hover{color:var(--paper);}
.brand__mark{
  display:grid;
  place-items:center;
  width:38px;height:38px;
  border-radius:12px;
  font-family:var(--mono);
  font-size:.78rem;
  font-weight:700;
  letter-spacing:.04em;
  color:#032126;
  background:linear-gradient(135deg,var(--cyan) 0%,var(--cyan-soft) 46%,var(--coral) 100%);
  box-shadow:0 0 0 1px rgba(124,245,241,.35), 0 12px 24px -14px rgba(45,226,230,.95);
}
.brand__text{display:flex;flex-direction:column;line-height:1.16;}
.brand__name{font-size:1.04rem;font-weight:800;letter-spacing:.02em;}
.brand__tagline{
  font-family:var(--mono);
  font-size:.62rem;
  font-weight:500;
  letter-spacing:.1em;
  color:var(--slate);
  text-transform:uppercase;
}

/* 导航 */
.primary-nav{
  display:flex;
  align-items:center;
  gap:8px;
  margin-left:auto;
}
.primary-nav__list{
  display:flex;
  align-items:center;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.primary-nav__link{
  display:inline-block;
  padding:8px 13px;
  border-radius:var(--radius-pill);
  color:var(--slate);
  font-size:.875rem;
  font-weight:500;
  letter-spacing:.01em;
  text-decoration:none;
  white-space:nowrap;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.primary-nav__link:hover{
  color:var(--paper);
  background:rgba(45,226,230,.1);
}
.primary-nav__link[aria-current="page"]{
  color:#032126;
  font-weight:700;
  background:linear-gradient(180deg,var(--cyan-soft),var(--cyan));
  box-shadow:0 10px 20px -14px var(--cyan);
}
.primary-nav__link[aria-current="page"]:hover{
  color:#032126;
  background:linear-gradient(180deg,var(--cyan-soft),var(--cyan));
}

.nav-cta{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 17px;
  border-radius:var(--radius-pill);
  background:linear-gradient(135deg,#FF6B4A,#E24E2E);
  color:#FFFFFF;
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  white-space:nowrap;
  box-shadow:0 14px 24px -16px rgba(255,107,74,.95);
  transition:transform .18s var(--ease),filter .18s var(--ease);
}
.nav-cta:hover{color:#FFFFFF;filter:brightness(1.08);transform:translateY(-1px);}

/* 移动按钮 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  margin-left:auto;
  padding:9px 15px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(18,48,74,.82);
  color:var(--paper);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.08em;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
.nav-toggle__bars{display:grid;gap:3px;width:16px;}
.nav-toggle__bars i{
  display:block;
  height:2px;
  border-radius:2px;
  background:var(--cyan);
  transition:transform .22s var(--ease),opacity .18s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:nth-child(1){transform:translateY(5px) 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(-5px) rotate(-45deg);}

/* 阅读进度 */
.header-progress{
  position:absolute;
  left:0;right:0;bottom:-1px;
  display:block;
  height:2px;
  overflow:hidden;
  pointer-events:none;
}
.header-progress__bar{
  display:block;
  width:0;
  height:100%;
  background:linear-gradient(90deg,var(--cyan),var(--mint) 55%,var(--coral));
  transition:width .1s linear;
}

/* ---------- 06 页脚 ---------- */
.site-footer{
  position:relative;
  margin-top:clamp(48px,7vw,110px);
  padding-block:clamp(36px,5vw,72px) clamp(24px,3vw,40px);
  border-top:1px solid var(--line);
  background:
    radial-gradient(760px 340px at 12% 0%, rgba(45,226,230,.1), transparent 68%),
    radial-gradient(680px 320px at 92% 8%, rgba(255,107,74,.1), transparent 70%),
    linear-gradient(180deg, rgba(11,30,51,.55), rgba(6,17,31,.96));
}
.footer-shell{position:relative;}

.footer-top{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.4fr);
  gap:clamp(26px,4vw,64px);
  padding-bottom:clamp(24px,3.4vw,44px);
  border-bottom:1px solid rgba(39,67,95,.6);
}

.footer-identity .brand--footer{margin-bottom:16px;}
.footer-summary{
  max-width:44ch;
  color:var(--slate);
  font-size:.93rem;
  line-height:1.75;
}
.footer-badges{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:18px 0 0;
  padding:0;
  list-style:none;
}

.footer-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:clamp(16px,2.4vw,32px);
}
.footer-col__title{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--mono);
  font-size:.72rem;
  font-weight:600;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--paper);
}
.footer-col__title::before{
  content:"";
  width:6px;height:6px;
  border-radius:2px;
  background:var(--cyan);
  box-shadow:0 0 10px rgba(45,226,230,.8);
}
.footer-links{
  display:flex;
  flex-direction:column;
  gap:9px;
  margin:14px 0 0;
  padding:0;
  list-style:none;
}
.footer-links a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  color:var(--slate);
  font-size:.9rem;
  text-decoration:none;
  transition:color .18s var(--ease),transform .18s var(--ease);
}
.footer-links a::before{
  content:"";
  width:6px;height:1px;
  background:var(--line);
  transition:width .18s var(--ease),background .18s var(--ease);
}
.footer-links a:hover{color:var(--cyan);transform:translateX(2px);}
.footer-links a:hover::before{width:14px;background:var(--cyan);}

.footer-contact{
  margin-top:clamp(22px,3vw,38px);
  padding:clamp(18px,2.4vw,30px);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  background:linear-gradient(180deg, rgba(18,48,74,.78), rgba(11,30,51,.9));
  box-shadow:var(--stack-shadow), var(--deep-shadow);
}
.footer-contact__head{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:16px;
}
.footer-contact__title{
  font-family:var(--mono);
  font-size:.74rem;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--cyan);
}
.contact-list{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:14px 28px;
  margin:0;
}
.contact-item{display:flex;flex-direction:column;gap:4px;}
.contact-item--wide{grid-column:1/-1;}
.contact-item__label{
  font-family:var(--mono);
  font-size:.66rem;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--slate);
}
.contact-item__value{
  margin:0;
  color:var(--paper);
  font-size:.92rem;
  line-height:1.6;
  overflow-wrap:anywhere;
}
.contact-item__value .mono{color:var(--cyan-soft);font-size:.95rem;}

.copy-btn{
  margin-left:10px;
  padding:3px 10px;
  border:1px solid rgba(45,226,230,.42);
  border-radius:var(--radius-pill);
  background:rgba(45,226,230,.08);
  color:var(--cyan);
  font-family:var(--mono);
  font-size:.62rem;
  font-weight:600;
  letter-spacing:.1em;
  vertical-align:middle;
  cursor:pointer;
  transition:background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.copy-btn:hover{background:rgba(45,226,230,.18);}
.copy-btn[data-copied="true"]{
  background:var(--mint);
  border-color:transparent;
  color:#04241A;
}
.contact-note{
  margin-top:16px;
  padding-top:14px;
  border-top:1px dashed rgba(39,67,95,.85);
  color:var(--slate);
  font-size:.82rem;
  line-height:1.7;
}

.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:10px 24px;
  margin-top:clamp(20px,2.6vw,32px);
  padding-top:18px;
  border-top:1px solid rgba(39,67,95,.6);
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.06em;
  color:var(--slate);
}
.footer-legal,.footer-copy{margin:0;}

/* 返回顶部 */
.to-top{
  position:fixed;
  right:clamp(14px,3vw,32px);
  bottom:clamp(14px,3vw,32px);
  z-index:90;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:10px 17px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(11,30,51,.94);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  color:var(--paper);
  font-size:.78rem;
  font-weight:600;
  letter-spacing:.04em;
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  box-shadow:0 20px 40px -26px #000;
  transition:opacity .26s var(--ease),transform .26s var(--ease),visibility .26s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
}
.to-top[data-visible="true"]{opacity:1;visibility:visible;transform:none;}
.to-top:hover{border-color:var(--cyan);color:var(--cyan);}
.to-top__icon{font-family:var(--mono);font-size:.95rem;color:var(--cyan);line-height:1;}

/* ---------- 07 通用组件 ---------- */
.panel{
  position:relative;
  padding:clamp(18px,2.4vw,32px);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  background:linear-gradient(180deg, rgba(18,48,74,.82), rgba(11,30,51,.92));
  box-shadow:var(--stack-shadow), var(--deep-shadow);
}
.panel--flat{box-shadow:none;}
.panel--inset{background:rgba(6,17,31,.55);}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 22px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-family:var(--sans);
  font-size:.9rem;
  font-weight:700;
  letter-spacing:.02em;
  text-decoration:none;
  cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.btn--primary{
  background:linear-gradient(135deg,#FF6B4A,#E24E2E);
  color:#FFFFFF;
  box-shadow:0 16px 28px -18px rgba(255,107,74,.95);
}
.btn--primary:hover{color:#FFFFFF;transform:translateY(-1px);filter:brightness(1.07);}
.btn--ghost{
  background:transparent;
  border-color:var(--line);
  color:var(--paper);
}
.btn--ghost:hover{border-color:var(--cyan);color:var(--cyan);}
.btn--sm{padding:8px 15px;font-size:.78rem;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:3px 10px;
  border:1px solid var(--line);
  border-radius:var(--radius-pill);
  background:rgba(18,48,74,.72);
  color:var(--slate);
  font-family:var(--mono);
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.1em;
  line-height:1.6;
  white-space:nowrap;
}
.tag--live{background:var(--amber);border-color:transparent;color:#3A2600;}
.tag--replay{background:var(--cyan);border-color:transparent;color:#04212A;}
.tag--done{background:var(--mint);border-color:transparent;color:#04241A;}
.tag--version{
  background:rgba(255,107,74,.12);
  border-color:rgba(255,107,74,.45);
  color:var(--coral);
}

.breadcrumb{
  font-family:var(--mono);
  font-size:.74rem;
  letter-spacing:.08em;
  color:var(--slate);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  margin:0;
  padding:0;
  list-style:none;
}
.breadcrumb li+li::before{content:"/";margin-right:8px;color:var(--line);}
.breadcrumb a{color:var(--slate);text-decoration:none;}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb [aria-current="page"]{color:var(--paper);}

.media{
  position:relative;
  display:block;
  width:100%;
  aspect-ratio:16 / 9;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  background:
    linear-gradient(135deg, rgba(45,226,230,.22), rgba(18,48,74,.92) 46%, rgba(255,107,74,.2)),
    repeating-linear-gradient(90deg, rgba(39,67,95,.5) 0 1px, transparent 1px 30px);
  box-shadow:0 24px 44px -36px #000;
}
.media img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.media--square{aspect-ratio:1 / 1;}
.media--tall{aspect-ratio:4 / 5;}
.media--wide{aspect-ratio:21 / 9;}
.media__caption{
  margin-top:8px;
  font-family:var(--mono);
  font-size:.7rem;
  letter-spacing:.08em;
  color:var(--slate);
}

.toc{
  border-left:1px solid var(--line);
  padding-left:20px;
  font-size:.86rem;
}
.toc__title{
  margin-bottom:12px;
  font-family:var(--mono);
  font-size:.68rem;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--slate);
}
.toc__list{
  display:flex;
  flex-direction:column;
  gap:2px;
  margin:0;
  padding:0;
  list-style:none;
}
.toc a{
  position:relative;
  display:block;
  padding:7px 0;
  color:var(--slate);
  text-decoration:none;
  transition:color .18s var(--ease);
}
.toc a::before{
  content:"";
  position:absolute;
  left:-21px;
  top:50%;
  width:2px;
  height:0;
  background:var(--cyan);
  transform:translateY(-50%);
  transition:height .22s var(--ease);
}
.toc a:hover{color:var(--paper);}
.toc a[aria-current="true"]{color:var(--paper);font-weight:600;}
.toc a[aria-current="true"]::before{height:72%;}

/* ---------- 08 动效 ---------- */
html[data-reveal-ready] [data-reveal]{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
  will-change:opacity,transform;
}
html[data-reveal-ready] [data-reveal].is-visible{
  opacity:1;
  transform:none;
}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
  html[data-reveal-ready] [data-reveal]{opacity:1;transform:none;transition:none;}
  .dot{animation:none;box-shadow:0 0 0 3px rgba(61,255,168,.18);}
}

/* ---------- 09 响应式 ---------- */
@media (max-width:1180px){
  .primary-nav__link{padding:8px 10px;font-size:.82rem;}
}

@media (max-width:1080px){
  .nav-toggle{display:inline-flex;}
  .nav-island__inner{padding:8px 10px 8px 12px;}
  .primary-nav{
    position:absolute;
    left:0;
    right:0;
    top:calc(100% + 10px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    margin-left:0;
    padding:14px;
    border:1px solid var(--line);
    border-radius:24px;
    background:linear-gradient(180deg, rgba(11,30,51,.99), rgba(6,17,31,.99));
    box-shadow:0 36px 60px -30px #000;
  }
  .primary-nav[data-open="true"]{
    display:flex;
    animation:navDrop .22s var(--ease) both;
  }
  @keyframes navDrop{
    from{opacity:0;transform:translateY(-8px);}
    to{opacity:1;transform:none;}
  }
  .primary-nav__list{flex-direction:column;align-items:stretch;gap:2px;}
  .primary-nav__link{
    display:block;
    padding:12px 14px;
    border-radius:14px;
    font-size:.95rem;
    color:var(--paper);
  }
  .primary-nav__link[aria-current="page"]{border-radius:14px;}
  .nav-cta{margin-top:4px;padding:12px 18px;font-size:.9rem;}
  .footer-top{grid-template-columns:1fr;}
  .grid--3{grid-template-columns:repeat(2,minmax(0,1fr));}
}

@media (max-width:900px){
  .grid--aside{grid-template-columns:1fr;}
  .toc{position:static;border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:14px;}
  .toc a::before{display:none;}
  .toc a[aria-current="true"]{color:var(--cyan);}
}

@media (max-width:760px){
  .rail-quick{display:none;}
  .header-rail__inner{justify-content:flex-start;font-size:.68rem;}
  .footer-cols{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid--2,.grid--3{grid-template-columns:1fr;}
  .brand__tagline{font-size:.55rem;letter-spacing:.08em;}
  .contact-list{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .to-top{padding:9px 14px;font-size:.72rem;}
}

@media (max-width:480px){
  .brand__mark{width:34px;height:34px;border-radius:10px;font-size:.7rem;}
  .brand__name{font-size:.95rem;}
  .brand__tagline{display:none;}
  .nav-toggle{padding:8px 12px;font-size:.72rem;}
  .footer-cols{grid-template-columns:1fr;}
  .footer-contact{border-radius:18px;}
  .copy-btn{margin-left:8px;}
}

@media print{
  .site-header,.to-top,.site-footer{display:none !important;}
  body{background:#fff;color:#000;}
}