/* ============================================================
   365国际速发 · /assets/site.css
   共享外壳：reset / 变量 / 中文排版 / 页头 / 页脚 / 通用组件
   ============================================================ */

/* ---------- 1. 设计变量 ---------- */
:root{
  --ink-900:#0B1220;
  --ink-800:#121B2E;
  --ink-700:#24324C;
  --paper:#F4F6FA;
  --mist:#E8EDF5;
  --orange:#FF6A1A;
  --orange-lift:#FF8446;
  --cyan:#2FD3C8;
  --green:#33C48D;
  --blue-grey:#7C8CA6;
  --amber:#F2A93B;
  --graphite:#9AA7BC;

  --font-serif:"Noto Serif SC","Source Han Serif SC","Songti SC","STSong",serif;
  --font-sans:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-mono:"JetBrains Mono","IBM Plex Mono","SFMono-Regular",Consolas,"Menlo",monospace;

  --shell:1280px;
  --gutter:clamp(18px,5vw,80px);
  --gap:24px;

  --ease:cubic-bezier(.22,.61,.36,1);
  --dur:220ms;
}

/* ---------- 2. Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top:120px;
}
body{
  margin:0;
  background:var(--ink-900);
  color:var(--paper);
  font-family:var(--font-sans);
  font-size:17px;
  font-weight:400;
  line-height:1.85;
  letter-spacing:.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:var(--font-serif);
  font-weight:600;
  line-height:1.25;
  letter-spacing:-.01em;
}
h1{font-size:clamp(40px,7vw,88px);font-weight:900}
h2{font-size:clamp(26px,3.2vw,42px)}
h3{font-size:clamp(19px,2vw,24px)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;height:auto;border:0}
a{color:inherit}
button{font:inherit;color:inherit;background:none;border:0}
::selection{background:var(--orange);color:var(--ink-900)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}

/* ---------- 3. 排版工具 ---------- */
.mono{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-feature-settings:"tnum" 1;
  letter-spacing:.02em;
}
.shell{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding-inline:var(--gutter);
}
#main-content{display:block;padding-top:104px}

/* ---------- 4. 跳过链接 ---------- */
.skip-link{
  position:fixed;
  top:10px;
  left:10px;
  z-index:300;
  padding:10px 18px;
  background:var(--orange);
  color:var(--ink-900);
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
  text-decoration:none;
  transform:translateY(-240%);
  transition:transform var(--dur) var(--ease);
}
.skip-link:focus{transform:translateY(0)}

/* ---------- 5. 页头：悬浮胶囊浮岛 ---------- */
.site-header{
  position:fixed;
  inset:0 0 auto 0;
  z-index:120;
  padding:16px var(--gutter) 0;
  pointer-events:none;
  transition:padding var(--dur) var(--ease);
}
.site-header[data-scrolled="true"]{padding-top:8px}

.header-inner{
  position:relative;
  pointer-events:auto;
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:18px;
  padding:8px 10px 8px 16px;
  background:rgba(11,18,32,.86);
  border:1px solid var(--ink-700);
  border-radius:999px;
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  transition:background var(--dur) var(--ease),padding var(--dur) var(--ease);
}
.site-header[data-scrolled="true"] .header-inner{
  background:rgba(11,18,32,.97);
  padding-block:6px;
}

/* 品牌 */
.brand{
  display:inline-flex;
  align-items:center;
  gap:12px;
  min-width:0;
  color:var(--paper);
  text-decoration:none;
}
.brand-mark{
  flex:none;
  padding:5px 8px;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:12px;
  line-height:1;
  letter-spacing:.08em;
  color:var(--orange);
  border:1px solid var(--ink-700);
  border-left:3px solid var(--orange);
}
.brand-text{display:flex;flex-direction:column;gap:2px;min-width:0;line-height:1.1}
.brand-name{
  font-family:var(--font-serif);
  font-size:17px;
  font-weight:600;
  letter-spacing:.02em;
  white-space:nowrap;
}
.brand-sub{
  font-family:var(--font-mono);
  font-size:9.5px;
  letter-spacing:.18em;
  color:var(--graphite);
  text-transform:uppercase;
  white-space:nowrap;
}
.site-header[data-scrolled="true"] .brand-sub{display:none}

/* 导航胶囊 */
.nav-capsule{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:2px;
  min-width:0;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 13px;
  border-radius:999px;
  color:var(--graphite);
  font-size:14.5px;
  line-height:1.4;
  text-decoration:none;
  white-space:nowrap;
  transition:color var(--dur) var(--ease),box-shadow var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-link::after{
  content:"";
  position:absolute;
  left:13px;
  right:13px;
  bottom:6px;
  height:1px;
  background:var(--cyan);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform var(--dur) var(--ease);
}
.nav-link:hover{color:var(--paper)}
.nav-link:hover::after,
.nav-link:focus-visible::after{transform:scaleX(1)}
.nav-link[aria-current="page"]{
  color:var(--paper);
  box-shadow:inset 0 0 0 1px var(--orange);
}
.nav-link[aria-current="page"]::after{transform:scaleX(0)}

/* 动作区 */
.header-actions{display:flex;align-items:center;gap:8px}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:11px 18px;
  border:1px solid transparent;
  border-radius:999px;
  font-size:14px;
  line-height:1;
  text-decoration:none;
  white-space:nowrap;
  cursor:pointer;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),
             border-color var(--dur) var(--ease),transform var(--dur) var(--ease);
}
.btn:active{transform:translateY(1px)}
.btn-solid{background:var(--orange);color:#0A0F1A;font-weight:600}
.btn-solid:hover{background:var(--orange-lift)}
.btn-ghost{border-color:var(--ink-700);color:var(--paper)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}

/* 移动端汉堡 */
.nav-toggle{
  display:none;
  align-items:center;
  gap:9px;
  padding:10px 16px 10px 14px;
  border:1px solid var(--ink-700);
  border-radius:999px;
  cursor:pointer;
  transition:border-color var(--dur) var(--ease);
}
.nav-toggle:hover{border-color:var(--cyan)}
.nav-toggle-bars{position:relative;display:block;width:16px;height:10px}
.nav-toggle-bars::before,
.nav-toggle-bars::after{
  content:"";
  position:absolute;
  left:0;
  width:16px;
  height:1px;
  background:var(--paper);
  transition:transform var(--dur) var(--ease),top var(--dur) var(--ease),background var(--dur) var(--ease);
}
.nav-toggle-bars::before{top:1px}
.nav-toggle-bars::after{top:8px}
.site-header[data-open="true"] .nav-toggle-bars::before{top:4.5px;transform:rotate(45deg);background:var(--orange)}
.site-header[data-open="true"] .nav-toggle-bars::after{top:4.5px;transform:rotate(-45deg);background:var(--orange)}
.nav-toggle-label{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--graphite);
}

/* 阅读进度：2px 三档渐变细线 */
.scroll-meter{
  position:relative;
  width:100%;
  max-width:var(--shell);
  height:2px;
  margin:6px auto 0;
  background:var(--ink-700);
  overflow:hidden;
}
.scroll-meter span{
  display:block;
  height:100%;
  width:var(--progress,0%);
  background:linear-gradient(90deg,var(--green) 0%,var(--cyan) 52%,var(--amber) 100%);
  transition:width .1s linear;
}

/* ---------- 6. 页脚：四段纵向分区 ---------- */
.site-footer{
  margin-top:clamp(64px,9vw,140px);
  background:var(--ink-800);
  border-top:1px solid var(--ink-700);
  color:var(--graphite);
}
.footer-inner{
  width:100%;
  max-width:var(--shell);
  margin-inline:auto;
  padding:clamp(40px,6vw,72px) var(--gutter) 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.6fr;
  gap:clamp(28px,4vw,64px);
  padding-bottom:40px;
}
.footer-block{min-width:0}

.footer-mark{
  margin:0 0 14px;
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-size:15px;
  letter-spacing:.1em;
  color:var(--paper);
}
.footer-claim{
  max-width:22em;
  margin:0 0 16px;
  font-family:var(--font-serif);
  font-size:clamp(18px,2vw,23px);
  font-weight:600;
  line-height:1.6;
  color:var(--paper);
}
.footer-domain{
  margin:0;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.08em;
  color:var(--blue-grey);
}

.footer-title{
  position:relative;
  margin:0 0 18px;
  padding-top:14px;
  font-family:var(--font-mono);
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--paper);
}
.footer-title::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:28px;
  height:2px;
  background:var(--orange);
}

.footer-list{display:flex;flex-direction:column;gap:10px;font-size:15px;line-height:1.6}
.footer-list a{
  color:var(--graphite);
  text-decoration:none;
  border-bottom:1px solid transparent;
  transition:color var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.footer-list a:hover{color:var(--paper);border-bottom-color:var(--cyan)}

.footer-contact li{
  display:grid;
  grid-template-columns:46px 1fr;
  gap:12px;
  align-items:baseline;
}
.footer-contact .label{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--blue-grey);
}
.footer-contact .value{color:var(--mist);word-break:break-word}

.footer-note{
  margin-top:18px;
  padding-left:14px;
  border-left:1px solid var(--ink-700);
  font-size:13.5px;
  line-height:1.75;
  color:var(--graphite);
}

.footer-legal{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px 32px;
  padding-top:22px;
  border-top:1px solid var(--ink-700);
  font-size:13px;
}
.footer-legal p{margin:0}
.legal-actions{display:flex;flex-wrap:wrap;gap:20px}
.footer-legal a{
  color:var(--graphite);
  text-decoration:none;
  transition:color var(--dur) var(--ease);
}
.footer-legal a:hover{color:var(--cyan)}

/* ---------- 7. 通用内容组件 ---------- */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--graphite);
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--orange)}

.section-head{display:flex;flex-direction:column;gap:14px;margin-bottom:36px}
.section-head h2{color:var(--paper)}
.section-head p{max-width:38em;color:var(--graphite)}

.status-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:5px 11px;
  border:1px solid var(--ink-700);
  border-radius:999px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--mist);
  white-space:nowrap;
}
.status-pill::before{
  content:"";
  flex:none;
  width:7px;
  height:7px;
  border-radius:50%;
  background:var(--blue-grey);
}
.status-pill[data-stock="active"]::before{background:var(--green)}
.status-pill[data-stock="pending"]::before{background:var(--amber)}
.status-pill[data-stock="retired"]::before{background:var(--blue-grey)}

/* 图片容器基础规则（页面阶段放 <img> 占位） */
.media-frame{
  position:relative;
  display:block;
  width:100%;
  overflow:hidden;
  background:var(--ink-800);
  border:1px solid var(--ink-700);
}
.media-frame > img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
}
.media-frame::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  background:linear-gradient(90deg,rgba(47,211,200,.10) 0%,rgba(11,18,32,0) 44%,rgba(255,106,26,.10) 100%);
  opacity:.6;
}
.media-frame--21x9{aspect-ratio:21/9}
.media-frame--16x9{aspect-ratio:16/9}
.media-frame--4x3{aspect-ratio:4/3}
.media-frame--1x1{aspect-ratio:1/1}
.media-caption{
  margin-top:10px;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.04em;
  color:var(--blue-grey);
}

/* ---------- 8. 入场动效协议 ---------- */
.js [data-reveal]{
  opacity:0;
  transform:translateY(8px);
}
.js [data-reveal].is-visible{
  opacity:1;
  transform:none;
  transition:opacity 240ms var(--ease),transform 240ms var(--ease);
}

/* ---------- 9. 响应式 ---------- */
@media (max-width:1100px){
  #main-content{padding-top:92px}

  .site-header{padding-top:10px}
  .site-header[data-scrolled="true"]{padding-top:6px}

  .header-inner{
    grid-template-columns:1fr auto;
    gap:8px 12px;
    padding:8px 8px 8px 14px;
    border-radius:20px;
  }
  .brand{grid-column:1;grid-row:1}
  .header-actions{grid-column:2;grid-row:1}
  .nav-capsule{grid-column:1 / -1;grid-row:2}

  .nav-toggle{display:inline-flex}
  .header-actions .btn-ghost{display:none}
  .header-actions .btn-solid{padding:9px 14px;font-size:13px}

  .nav-capsule{
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:2px;
    max-height:0;
    opacity:0;
    visibility:hidden;
    overflow:hidden;
    transition:max-height .3s var(--ease),opacity var(--dur) var(--ease),visibility 0s linear .3s;
  }
  .site-header[data-open="true"] .nav-capsule{
    max-height:70vh;
    padding-top:4px;
    opacity:1;
    visibility:visible;
    transition:max-height .3s var(--ease),opacity var(--dur) var(--ease),visibility 0s;
  }
  .nav-link{
    padding:13px 16px;
    border-radius:12px;
    font-size:15px;
    color:var(--mist);
  }
  .nav-link::after{display:none}
  .nav-link:hover{background:rgba(36,50,76,.6);color:var(--paper)}
  .nav-link[aria-current="page"]{
    background:rgba(255,106,26,.14);
    box-shadow:inset 0 0 0 1px var(--orange);
  }

  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer-brand{grid-column:1 / -1}
}

@media (max-width:720px){
  body{font-size:16px}
  .brand-sub{display:none}
  .nav-toggle-label{display:none}
  .nav-toggle{padding:10px 13px}
  .scroll-meter{margin-top:4px}

  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-legal{flex-direction:column;align-items:flex-start;gap:14px}
  .footer-contact li{grid-template-columns:42px 1fr;gap:10px}
}

/* ---------- 10. 减弱动效 ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{
    animation-duration:.01ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.01ms !important;
  }
  .js [data-reveal],
  .js [data-reveal].is-visible{
    opacity:1;
    transform:none;
    transition:none;
  }
  .scroll-meter span{transition:none}
}