/* ==========================================================
   海豚体育看台 · 共享样式 /assets/site.css
   ========================================================== */

*, *::before, *::after { box-sizing: border-box; }

:root{
  --abyss:#061A2B;
  --trench:#0B2C47;
  --current:#145C8E;
  --silver:#C9D6DF;
  --foam:#F4F8FB;
  --coral:#FF6B4A;
  --signal:#35E0A1;
  --amber:#F2C230;
  --red:#E0403E;
  --mist:#8FA3B3;
  --mist-ink:#5C7285;
  --ink:#0A2338;

  --line-dark: rgba(201,214,223,.16);
  --line-light: rgba(10,35,56,.12);

  --rail-w: 96px;
  --topbar-h: 62px;
  --gutter: clamp(20px, 4vw, 64px);

  --font-sans: 'Noto Sans SC','Source Han Sans SC','PingFang SC',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, monospace;

  --ease: cubic-bezier(.22,.61,.36,1);
  --shadow-1: 0 1px 2px rgba(6,26,43,.06), 0 8px 22px rgba(6,26,43,.08);
  --shadow-2: 0 14px 40px rgba(6,26,43,.20);
}

html{
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--topbar-h) + 14px);
}

body{
  margin: 0;
  padding-top: var(--topbar-h);
  background: var(--foam);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.75;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.is-locked{ overflow: hidden; }

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

h1, h2, h3, h4{ margin: 0; font-weight: 800; line-height: 1.15; letter-spacing: -.02em; }
p{ margin: 0; }

a{ color: var(--current); text-decoration: none; }

button{ font-family: inherit; }

::selection{ background: var(--coral); color: #08151F; }

:where(a, button, [tabindex]):focus-visible{
  outline: 3px solid var(--signal);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ---------- 通用容器 ---------- */
.wrap{
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{ font-size: 13px; color: var(--mist-ink); }
.breadcrumb__list{
  display: flex; flex-wrap: wrap; gap: 8px;
  list-style: none; margin: 0; padding: 0;
}
.breadcrumb__item{ display: flex; align-items: center; gap: 8px; }
.breadcrumb__item + .breadcrumb__item::before{
  content: "/"; color: rgba(92,114,133,.6);
}
.breadcrumb__link{
  color: inherit; border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.breadcrumb__link:hover{ color: var(--current); border-color: currentColor; }

/* ---------- 正文 ---------- */
.prose{
  max-width: 38em;
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
}
.prose > * + *{ margin-top: 1.05em; }
.prose h2{
  font-size: clamp(21px, 2.8vw, 28px);
  margin-top: 1.9em;
  letter-spacing: -.02em;
}
.prose h3{ font-size: 19px; margin-top: 1.5em; }
.prose a{
  color: var(--current);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}
.prose ul, .prose ol{ padding-left: 1.3em; margin-block: 1em; }
.prose li + li{ margin-top: .4em; }
.prose strong{ font-weight: 700; }
.prose blockquote{
  margin: 1.4em 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--coral);
  color: var(--mist-ink);
}

/* ---------- 分节头 ---------- */
.section-head{
  display: flex; flex-direction: column; gap: 10px;
  margin-bottom: clamp(20px, 3vw, 36px);
}
.section-head__num{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .26em;
  color: var(--coral);
}
.section-head__title{
  font-size: clamp(24px, 3.6vw, 40px);
  letter-spacing: -.03em;
}
.section-head__lead{
  max-width: 34em;
  font-size: 16px;
  color: var(--mist-ink);
}

/* ---------- 网格 ---------- */
.grid{ display: grid; gap: clamp(16px, 2.2vw, 28px); }
@media (min-width: 720px){
  .grid--2{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid--3{ grid-template-columns: repeat(3, minmax(0,1fr)); }
}
@media (min-width: 1000px){
  .grid--7-4{ grid-template-columns: 7fr 4fr; }
  .grid--5-7{ grid-template-columns: 5fr 7fr; }
  .grid--2-3{ grid-template-columns: 2fr 3fr; }
}

/* ---------- 按钮 ---------- */
.btn{
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  text-decoration: none;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease),
              background-color .2s var(--ease), border-color .2s var(--ease), color .2s var(--ease);
}
.btn--coral{
  background: var(--coral);
  color: #08151F;
  box-shadow: 0 8px 22px rgba(255,107,74,.26);
}
.btn--coral:hover{
  background: #ff8064;
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(255,107,74,.34);
}
.btn--ghost{
  background: transparent;
  color: var(--foam);
  border-color: rgba(201,214,223,.40);
}
.btn--ghost:hover{
  color: var(--signal);
  border-color: var(--signal);
  transform: translateY(-2px);
}
.btn--solid{
  background: var(--current);
  color: #fff;
  box-shadow: 0 8px 20px rgba(20,92,142,.28);
}
.btn--solid:hover{ background: #186ea8; transform: translateY(-2px); }

/* ---------- 卡片 ---------- */
.card{
  --tilt: 0deg;
  position: relative;
  padding: clamp(18px, 2.4vw, 28px);
  background: #ffffff;
  border: 1px solid var(--line-light);
  border-radius: 18px;
  box-shadow: var(--shadow-1);
  transform: rotate(var(--tilt)) translateY(0);
  transition: transform .24s var(--ease), box-shadow .24s var(--ease), border-color .24s var(--ease);
}
.card:hover{
  transform: rotate(var(--tilt)) translateY(-4px);
  box-shadow: var(--shadow-2);
  border-color: rgba(20,92,142,.30);
}
.card--tilt{ --tilt: -1.2deg; }
.card--tilt-alt{ --tilt: 1.2deg; }
.card--dark{
  background: var(--trench);
  color: var(--silver);
  border-color: var(--line-dark);
}
.card--dark:hover{ border-color: rgba(53,224,161,.34); }

/* ---------- 数据块 ---------- */
.stat{ display: flex; flex-direction: column; gap: 6px; }
.stat__num{
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(30px, 4.4vw, 46px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.stat__unit{
  font-size: .40em;
  font-weight: 700;
  margin-left: 6px;
  color: var(--mist);
  letter-spacing: 0;
}
.stat__note{
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist-ink);
}
.card--dark .stat__note{ color: var(--mist); }

/* ---------- 胶囊筛选 ---------- */
.chip{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid rgba(10,35,56,.16);
  background: #ffffff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  text-decoration: none;
  transition: background-color .2s var(--ease), color .2s var(--ease),
              border-color .2s var(--ease), transform .2s var(--ease);
}
.chip:hover{ border-color: var(--current); transform: translateY(-1px); }
.chip[aria-pressed="true"],
.chip.is-active{
  background: var(--coral);
  border-color: var(--coral);
  color: #08151F;
  font-weight: 800;
}

/* ---------- 分段标签页 ---------- */
.tabs{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px;
  width: fit-content;
  max-width: 100%;
  background: rgba(10,35,56,.06);
  border: 1px solid var(--line-light);
  border-radius: 999px;
}
.tab{
  appearance: none;
  border: 0;
  background: transparent;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}
.tab:hover{ background: rgba(20,92,142,.12); }
.tab[aria-selected="true"]{
  background: var(--coral);
  color: #08151F;
}
.tab-panel{ margin-top: 20px; }
.tab-panel[hidden]{ display: none; }

/* ---------- 媒体框 ---------- */
.media-frame{
  position: relative;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-radius: 18px;
  border: 1px solid var(--line-dark);
  background:
    radial-gradient(120% 90% at 15% 8%, rgba(53,224,161,.22), rgba(53,224,161,0) 62%),
    radial-gradient(110% 85% at 88% 92%, rgba(255,107,74,.20), rgba(255,107,74,0) 64%),
    linear-gradient(160deg, var(--trench) 0%, var(--current) 68%, #0A3552 100%);
  isolation: isolate;
}
.media-frame > img,
.media-frame > svg,
.media-frame > picture{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-frame--wide{ aspect-ratio: 21 / 9; }
.media-frame--tall{ aspect-ratio: 4 / 5; }
.media-frame--square{ aspect-ratio: 1 / 1; }

/* ---------- 波浪分隔 ---------- */
.wave-divider{
  --w: clamp(36px, 6vw, 64px);
  height: var(--w);
  background:
    radial-gradient(circle at 50% 100%, var(--trench) 0 var(--w), rgba(11,44,71,0) calc(var(--w) + .5px))
    0 100% / calc(var(--w) * 2) var(--w) repeat-x;
}

/* ==========================================================
   跳转链
   ========================================================== */
.skip-link{
  position: fixed;
  top: 12px;
  left: 50%;
  z-index: 300;
  padding: 11px 20px;
  border-radius: 999px;
  background: var(--coral);
  color: #08151F;
  font-weight: 800;
  font-size: 15px;
  text-decoration: none;
  box-shadow: 0 10px 28px rgba(255,107,74,.36);
  transform: translate(-50%, -180%);
  transition: transform .25s var(--ease);
}
.skip-link:focus-visible{
  transform: translate(-50%, 0);
  outline: 3px solid var(--signal);
  outline-offset: 3px;
}

/* ==========================================================
   品牌圆标
   ========================================================== */
.brand-mark{
  position: relative;
  display: block;
  flex: none;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 20%, rgba(53,224,161,.95), rgba(53,224,161,0) 62%),
    linear-gradient(150deg, var(--current) 0%, #0A3552 72%);
  box-shadow: 0 0 0 1px rgba(201,214,223,.35), 0 6px 16px rgba(2,10,20,.45);
}
.brand-mark::before{
  content: "";
  position: absolute;
  left: 50%;
  top: 52%;
  width: 16px;
  height: 2px;
  border-radius: 2px;
  background: var(--foam);
  transform: translate(-50%, -50%) rotate(-20deg);
  box-shadow: 0 6px 0 -.5px rgba(244,248,251,.55);
}
.brand-mark::after{
  content: "";
  position: absolute;
  right: 4px;
  bottom: 4px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
}

/* ==========================================================
   头部 · 桌面侧边轨道
   ========================================================== */
.site-header{ position: relative; z-index: 140; }

.rail{
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rail-w);
  z-index: 140;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 0 20px;
  background: var(--abyss);
  border-right: 1px solid var(--line-dark);
  box-shadow: 8px 0 30px rgba(2,10,20,.24);
  color: var(--silver);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: none;
}
.rail::-webkit-scrollbar{ width: 0; height: 0; }

.rail__brand{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}
.rail__word{
  writing-mode: vertical-rl;
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: .24em;
  line-height: 1;
  color: var(--foam);
}

.rail-nav{ width: 100%; }
.rail-nav__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.rail-nav__item{ width: 100%; }

.rail-nav__link{
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  width: 100%;
  padding: clamp(5px, .9vh, 10px) 0;
  color: var(--silver);
  text-decoration: none;
  transition: color .2s var(--ease), background-color .2s var(--ease);
}
.rail-nav__link::before{
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--coral);
  transform: scaleY(0);
  transform-origin: center;
  transition: transform .26s var(--ease);
}
.rail-nav__link:hover{
  color: var(--foam);
  background: rgba(20,92,142,.22);
}
.rail-nav__link:hover::before{ transform: scaleY(.65); }
.rail-nav__link[aria-current="page"]{
  color: #ffffff;
  background: rgba(20,92,142,.30);
}
.rail-nav__link[aria-current="page"]::before{ transform: scaleY(1); }
.rail-nav__link[aria-current="page"] .rail-nav__idx{ color: var(--signal); }

.rail-nav__idx{
  font-family: var(--font-mono);
  font-size: 9.5px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--mist);
  transition: color .2s var(--ease);
}
.rail-nav__label{
  writing-mode: vertical-rl;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .16em;
  line-height: 1;
}

.rail__cta{
  flex: none;
  writing-mode: vertical-rl;
  padding: 15px 8px;
  border-radius: 999px;
  background: var(--coral);
  color: #08151F;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .22em;
  line-height: 1;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(255,107,74,.28);
  transition: transform .22s var(--ease), background-color .22s var(--ease), box-shadow .22s var(--ease);
}
.rail__cta:hover{
  background: #ff8064;
  transform: translateY(-3px);
  box-shadow: 0 12px 26px rgba(255,107,74,.40);
}

@media (max-height: 820px){
  .rail__word{ display: none; }
  .rail-nav__link{ padding: 4px 0; }
}

/* ==========================================================
   头部 · 移动顶栏
   ========================================================== */
.topbar{
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--topbar-h);
  z-index: 140;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 16px;
  background: rgba(6,26,43,.94);
  border-bottom: 1px solid var(--line-dark);
  color: var(--silver);
}
.topbar__brand{
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  text-decoration: none;
  color: var(--foam);
}
.topbar__brand .brand-mark{ width: 32px; height: 32px; }
.topbar__name{
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}
.topbar__name strong{
  font-size: 15px;
  font-weight: 800;
  letter-spacing: .02em;
  white-space: nowrap;
}
.topbar__name em{
  font-style: normal;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--mist);
  white-space: nowrap;
}

.nav-toggle{
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  flex: none;
  width: 44px;
  height: 44px;
  padding: 0 11px;
  border: 1px solid rgba(201,214,223,.30);
  border-radius: 12px;
  background: transparent;
  color: var(--silver);
  cursor: pointer;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.nav-toggle:hover{ border-color: var(--coral); background: rgba(255,107,74,.10); }
.nav-toggle__bar{
  display: block;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  transition: transform .24s var(--ease), opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1){ transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2){ opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================
   头部 · 移动抽屉
   ========================================================== */
.drawer{
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  z-index: 170;
  width: min(330px, 88vw);
  display: flex;
  flex-direction: column;
  padding: 18px 20px 26px;
  background: var(--abyss);
  border-left: 1px solid var(--line-dark);
  box-shadow: -22px 0 56px rgba(2,10,20,.52);
  color: var(--silver);
  overflow-y: auto;
  overscroll-behavior: contain;
  transform: translateX(104%);
  visibility: hidden;
  transition: transform .32s var(--ease), visibility .32s var(--ease);
}
.drawer[data-open="true"]{
  transform: translateX(0);
  visibility: visible;
}

.drawer__head{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line-dark);
}
.drawer__title{
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .26em;
  color: var(--coral);
}
.drawer__close{
  width: 38px;
  height: 38px;
  border: 1px solid rgba(201,214,223,.28);
  border-radius: 10px;
  background: transparent;
  color: var(--silver);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}
.drawer__close:hover{ border-color: var(--coral); color: var(--coral); }

.drawer__nav{ margin-top: 8px; }
.drawer__list{ list-style: none; margin: 0; padding: 0; }
.drawer__item{ border-bottom: 1px solid rgba(201,214,223,.10); }
.drawer__link{
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 4px;
  color: var(--foam);
  font-size: 17px;
  font-weight: 600;
  text-decoration: none;
  transition: color .2s var(--ease), padding-left .2s var(--ease);
}
.drawer__link:hover{ color: var(--coral); padding-left: 10px; }
.drawer__link[aria-current="page"]{ color: var(--coral); }
.drawer__link[aria-current="page"] .drawer__idx{ color: var(--signal); }
.drawer__idx{
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--mist);
  letter-spacing: .06em;
}
.drawer__cta{
  margin-top: 22px;
  width: 100%;
}

.drawer-veil{
  position: fixed;
  inset: 0;
  z-index: 160;
  background: rgba(3,12,22,.62);
  opacity: 0;
  visibility: hidden;
  transition: opacity .3s var(--ease), visibility .3s var(--ease);
}
.drawer-veil[data-open="true"]{
  opacity: 1;
  visibility: visible;
}

/* ==========================================================
   页脚
   ========================================================== */
.footer-wave{
  height: 44px;
  background:
    radial-gradient(circle at 50% 100%, var(--abyss) 0 44px, rgba(6,26,43,0) calc(44px + .5px))
      0 100% / 88px 44px repeat-x,
    radial-gradient(circle at 50% 100%, var(--trench) 0 34px, rgba(11,44,71,0) calc(34px + .5px))
      44px 100% / 88px 44px repeat-x;
}

.site-footer{
  background: var(--abyss);
  color: var(--silver);
  padding: clamp(44px, 6vw, 80px) var(--gutter) 30px;
  font-size: 15px;
  line-height: 1.8;
}
.footer__inner{
  max-width: 1180px;
  margin-inline: auto;
}

.footer__top{
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(26px, 4vw, 44px);
  border-bottom: 1px solid var(--line-dark);
}
@media (min-width: 820px){
  .footer__top{ grid-template-columns: minmax(240px, 1fr) 2.1fr; }
}

.footer__brand{ display: flex; flex-direction: column; align-items: flex-start; }
.footer__logo{
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--foam);
  text-decoration: none;
}
.footer__name{
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -.01em;
}
.footer__tag{
  margin-top: 12px;
  max-width: 22em;
  color: var(--mist);
  font-size: 14.5px;
}
.footer__btn{ margin-top: 20px; }

.footer__cols{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: clamp(20px, 3vw, 36px);
}
@media (min-width: 1024px){
  .footer__cols{ grid-template-columns: repeat(4, minmax(0,1fr)); }
}

.footer__title{
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: .24em;
  color: var(--mist);
}
.footer__title::before{
  content: "";
  width: 6px;
  height: 6px;
  flex: none;
  background: var(--coral);
  transform: rotate(45deg);
}

.footer__list{ list-style: none; margin: 0; padding: 0; }
.footer__list li + li{ margin-top: 2px; }
.footer__link{
  display: inline-block;
  padding: 4px 0;
  color: var(--silver);
  font-size: 15px;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.footer__link:hover{
  color: var(--signal);
  border-color: rgba(53,224,161,.55);
}

.footer__pass{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  margin-top: clamp(24px, 3vw, 34px);
  padding-bottom: clamp(20px, 3vw, 28px);
  border-bottom: 1px solid var(--line-dark);
}
.footer__pass-label{
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .24em;
  color: var(--coral);
}
.footer__pass-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}
.footer__pass-link{
  color: var(--silver);
  font-size: 14.5px;
  text-decoration: none;
  border-bottom: 1px solid rgba(201,214,223,.28);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.footer__pass-link:hover{ color: var(--signal); border-color: var(--signal); }

.footer__meta{
  padding-top: clamp(20px, 3vw, 28px);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--mist);
}
.footer__meta > * + *{ margin-top: 8px; }
.footer__legal{ color: var(--silver); }
.footer__contact{ word-break: break-word; }
.footer__service{ color: rgba(143,163,179,.92); }
.footer__copy{
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: rgba(143,163,179,.86);
}

/* ==========================================================
   显现动效
   ========================================================== */
@media (prefers-reduced-motion: no-preference){
  html.js [data-reveal]{
    opacity: 0;
    transform: translateY(24px);
    transition: opacity .55s var(--ease), transform .55s var(--ease);
  }
  html.js [data-reveal].is-visible{
    opacity: 1;
    transform: none;
  }
}

/* ==========================================================
   断点：桌面
   ========================================================== */
@media (min-width: 1000px){
  html{ scroll-padding-top: 24px; }
  body{
    padding-top: 0;
    padding-left: var(--rail-w);
  }
  .topbar,
  .drawer,
  .drawer-veil{ display: none; }
}

@media (max-width: 999px){
  .rail{ display: none; }
}

@media (max-width: 420px){
  .topbar__name em{ display: none; }
}

/* ==========================================================
   可访问性 · 减弱动效
   ========================================================== */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .skip-link{ transition: none; }
}