/* ============================================================
   天北镇服务器 — 介绍页
   视觉基调沿用 TWDS 的干净企业官网语言；
   只有首屏右侧透明窗口内是动态线路图。
   ============================================================ */

:root{
  --green:#008000;
  --green-deep:#004d1f;
  --green-ink:#04351d;
  --ink:#101a13;
  --ink-2:#2d3a31;
  --muted:#5c6b61;
  --muted-2:#7f8b83;
  --line:#e2e8e1;
  --paper:#f7f8f5;
  --white:#fff;
  --signal:#e8c34a;

  --shell:1280px;
  --header-h:76px;
  --radius:16px;
  --radius-sm:10px;

  --sans:"Inter","Helvetica Neue",-apple-system,BlinkMacSystemFont,"Segoe UI",
    "Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans CJK SC",sans-serif;
  --mono:ui-monospace,"Cascadia Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;

  --shadow-card:0 18px 50px -30px rgba(8,40,22,.45);
  --shadow-lift:0 30px 70px -40px rgba(8,40,22,.55);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 20px)}
body{
  margin:0;background:var(--white);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  overflow-wrap:break-word;
}
body.menu-open{overflow:hidden}
h1,h2,h3,h4,p,figure,dl,dd{margin:0}
ul{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer}
::selection{background:var(--green);color:#fff}
/* 公司卡 / 进度卡内部：选中文字用该卡自己的主题色（--accent 来自每张卡的内联变量）。
   浅色主题（如 BR 米色）需要深色字才看得清，用 --selection-ink 覆盖。 */
.company ::selection,
.project ::selection{background:var(--accent);color:var(--selection-ink,#07130c)}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:4px}
.hero :focus-visible,.mobile-menu :focus-visible{outline-color:#fff}
[hidden]{display:none !important}

.svg-sprite{position:absolute;width:0;height:0;overflow:hidden}
.icon{width:18px;height:18px;flex:none;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.icon--xs{width:13px;height:13px}

.shell{width:min(var(--shell),100% - 48px);margin-inline:auto}
@media (max-width:640px){.shell{width:calc(100% - 32px)}}

.skip-link{
  position:fixed;left:16px;top:-72px;z-index:200;
  padding:10px 16px;border-radius:8px;background:var(--green);color:#fff;
  font-size:14px;font-weight:600;transition:top .2s ease;
}
.skip-link:focus{top:12px}

/* ---------------- header ---------------- */
.site-header{
  position:fixed;inset:0 0 auto 0;z-index:100;
  height:var(--header-h);
  background:rgba(255,255,255,.95);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  box-shadow:0 10px 30px -26px rgba(6,32,16,.55);
}
.header__inner{height:100%;display:flex;align-items:center;gap:22px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand__logo{width:64px;height:auto;flex:none}
.brand__text{display:flex;flex-direction:column;line-height:1.1}
.brand__text strong{font-size:17px;font-weight:800;color:var(--green);letter-spacing:-.01em;white-space:nowrap}
.brand__text small{font-family:var(--mono);font-size:8px;letter-spacing:.13em;color:var(--muted-2);margin-top:4px;white-space:nowrap}

.nav{display:flex;align-items:center;gap:26px;margin-left:18px}
.nav a{
  position:relative;display:inline-flex;align-items:center;gap:4px;
  font-size:14px;font-weight:500;color:var(--ink-2);
  padding:8px 0;transition:color .2s ease;white-space:nowrap;
}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:var(--green);transform:scaleX(0);transform-origin:left;
  transition:transform .25s ease;
}
.nav a:hover{color:var(--green)}
.nav a:hover::after{transform:scaleX(1)}

.header__tools{display:flex;align-items:center;gap:10px;margin-left:auto}
.ip-chip{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 12px;border-radius:8px;
  background:var(--green);color:#fff;
  transition:background .2s ease,transform .2s ease;
}
.ip-chip:hover{background:#006b25;transform:translateY(-1px)}
.ip-chip__label{font-size:10px;letter-spacing:.04em;opacity:.72;white-space:nowrap}
.ip-chip code{font-family:var(--mono);font-size:12px;letter-spacing:.01em}
.ip-chip .icon{opacity:.75}

.lang{position:relative}
.lang__button{
  display:inline-flex;align-items:center;gap:7px;
  height:40px;padding:0 10px;border:1px solid var(--line);border-radius:8px;
  background:#fff;transition:border-color .2s ease,background .2s ease;
}
.lang__button:hover{border-color:#c6d1c9;background:#fbfcfa}
.lang__mark{width:20px;height:20px;display:grid;place-items:center;color:var(--green);flex:none}
.lang__icon{width:20px;height:20px;fill:currentColor;stroke:none}
.lang__code{font-size:12px;font-weight:700;color:var(--ink-2);font-family:var(--mono);min-width:14px}
.lang__chevron{color:var(--muted-2);transition:transform .2s ease}
.lang__button[aria-expanded="true"] .lang__chevron{transform:rotate(180deg)}
.lang__menu{
  position:absolute;right:0;top:calc(100% + 8px);z-index:20;
  width:232px;padding:6px;border-radius:12px;background:#fff;
  border:1px solid var(--line);box-shadow:0 24px 50px -24px rgba(6,32,16,.4);
}
.lang__menu button{
  width:100%;display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding:9px 10px;border-radius:7px;text-align:left;
}
.lang__menu button:hover{background:var(--paper)}
.lang__menu span{font-size:14px;font-weight:600;color:var(--ink)}
.lang__menu small{font-family:var(--mono);font-size:9px;letter-spacing:.08em;color:var(--muted-2);text-transform:uppercase}
.lang__menu button[aria-selected="true"]{background:#eef7ee}
.lang__menu button[aria-selected="true"] span{color:var(--green)}

.menu-button{
  display:none;width:40px;height:40px;border:1px solid var(--line);border-radius:8px;
  align-items:center;justify-content:center;background:#fff;color:var(--ink);
}
.menu-button .icon{width:20px;height:20px}
.menu-button__close{display:none}
.menu-button[aria-expanded="true"] .menu-button__open{display:none}
.menu-button[aria-expanded="true"] .menu-button__close{display:block}

/* mobile menu */
.mobile-menu{
  position:fixed;inset:var(--header-h) 0 0 0;z-index:90;
  background:linear-gradient(160deg,#008000 0%,#004d1f 100%);
  color:#fff;padding:28px 20px 32px;display:flex;flex-direction:column;
  animation:menuIn .28s ease both;
}
@keyframes menuIn{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.mobile-menu__nav{display:flex;flex-direction:column;gap:2px}
.mobile-menu__nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 6px;border-bottom:1px solid rgba(255,255,255,.14);
  font-size:22px;font-weight:700;letter-spacing:-.01em;
}
.mobile-menu__nav a:hover{color:#c9ffd8}
.mobile-menu__foot{margin-top:auto;display:grid;gap:10px;padding-top:24px}
.copy-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border:1px solid rgba(255,255,255,.2);border-radius:10px;
  background:rgba(255,255,255,.07);color:#fff;text-align:left;
}
.copy-row span{display:flex;flex-direction:column;gap:2px}
.copy-row small{font-size:10px;color:rgba(255,255,255,.6);letter-spacing:.04em}
.copy-row code{font-family:var(--mono);font-size:14px}
.copy-row .icon{opacity:.7}

/* ---------------- hero ---------------- */
.hero{
  position:relative;overflow:hidden;min-height:100svh;
  display:flex;align-items:center;
  padding:calc(var(--header-h) + 54px) 0 64px;
  color:#fff;
  background:
    radial-gradient(900px 620px at 82% 18%, rgba(255,255,255,.14), transparent 60%),
    linear-gradient(135deg,#008000 0%,#006b25 52%,#003f1c 100%);
}
.hero__bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero__orb{position:absolute;border-radius:50%;background:rgba(255,255,255,.08);animation:orbFloat var(--dur,14s) ease-in-out infinite alternate}
.hero__orb--1{width:180px;height:180px;left:-40px;top:18%}
.hero__orb--2{width:110px;height:110px;right:12%;top:12%;--dur:17s}
.hero__orb--3{width:64px;height:64px;left:38%;bottom:9%;--dur:12s}
@keyframes orbFloat{from{transform:translate3d(0,10px,0)}to{transform:translate3d(0,-18px,0)}}
.hero__particles{position:absolute;inset:0}
.particle{
  position:absolute;width:2px;height:2px;border-radius:50%;
  background:rgba(255,255,255,.6);opacity:0;
  animation:particleRise var(--dur,16s) linear infinite;animation-delay:var(--delay,0s);
}
@keyframes particleRise{
  0%{transform:translate3d(0,30px,0);opacity:0}
  10%{opacity:.9}
  85%{opacity:.28}
  100%{transform:translate3d(var(--drift,10px),-150px,0);opacity:0}
}

.hero__inner{position:relative;z-index:2}
.hero__grid{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(0,.97fr);gap:56px;align-items:center}
.hero__copy{max-width:640px}
.hero__kicker{
  display:flex;align-items:center;gap:9px;
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:rgba(255,255,255,.72);margin-bottom:24px;
}
.hero__dot{width:6px;height:6px;border-radius:50%;background:#b8ffcb;box-shadow:0 0 0 4px rgba(184,255,203,.14);animation:livePulse 2.6s ease-out infinite}
@keyframes livePulse{0%{box-shadow:0 0 0 0 rgba(184,255,203,.35)}70%{box-shadow:0 0 0 9px rgba(184,255,203,0)}100%{box-shadow:0 0 0 0 rgba(184,255,203,0)}}

.hero__title{
  font-size:clamp(3rem,6.1vw,5.5rem);
  line-height:1.02;font-weight:800;letter-spacing:-.025em;
  white-space:pre-line;text-wrap:balance;margin-bottom:24px;
}
html[lang="en"] .hero__title{font-size:clamp(2.8rem,5.5vw,5rem)}
html[lang="de"] .hero__title{font-size:clamp(2.5rem,5vw,4.5rem)}
.hero__lede{
  font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);
  max-width:34em;margin-bottom:32px;
}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px}
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:48px;padding:0 22px;border-radius:8px;
  font-size:14px;font-weight:600;letter-spacing:.01em;
  transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.button .icon{width:17px;height:17px}
.button--white{background:#fff;color:var(--green);box-shadow:0 12px 30px -18px rgba(0,0,0,.5)}
.button--white:hover{background:#eef7ee;transform:translateY(-1px)}
.button--ghost{border:1px solid rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.04)}
.button--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.65)}
.hero__copy-btn{min-height:54px;padding:9px 18px;justify-content:space-between;gap:18px}
.hero__copy-text{display:flex;flex-direction:column;align-items:flex-start;gap:1px;line-height:1.2}
.hero__copy-text small{font-size:10px;font-weight:500;color:rgba(0,70,22,.58)}
.hero__copy-text code{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--green);letter-spacing:0}

.hero__meta{
  display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(255,255,255,.18);
}
.hero__meta dt{font-family:var(--mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:rgba(255,255,255,.52);margin-bottom:6px}
.hero__meta dd{font-size:13px;color:rgba(255,255,255,.9);white-space:nowrap}

/* glass window + route */
.hero__visual{position:relative;justify-self:end;width:100%;max-width:600px}
.glass{
  position:relative;height:432px;border-radius:18px;overflow:hidden;
  background:rgba(255,255,255,.075);
  border:1px solid rgba(255,255,255,.22);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  box-shadow:0 40px 80px -50px rgba(0,0,0,.65),inset 0 1px 0 rgba(255,255,255,.18);
}
.glass__bar{
  position:absolute;inset:0 0 auto 0;height:42px;z-index:3;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
}
.glass__dots{display:flex;gap:7px}
.glass__dots i{width:9px;height:9px;border-radius:50%;display:block}
.glass__dots i:nth-child(1){background:#f26d6d}
.glass__dots i:nth-child(2){background:#e8c34a}
.glass__dots i:nth-child(3){background:#5ecf7b}
.glass__live{display:flex;align-items:center;gap:7px;font-family:var(--mono);font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.7)}
.glass__live i{width:5px;height:5px;border-radius:50%;background:#b8ffcb;animation:livePulse 2.6s ease-out infinite}
.route{
  position:absolute;left:0;right:0;top:42px;bottom:34px;
  width:100%;height:calc(100% - 76px);z-index:2;
  -webkit-mask-image:radial-gradient(ellipse at 50% 50%,#000 48%,transparent 78%);
  mask-image:radial-gradient(ellipse at 50% 50%,#000 48%,transparent 78%);
}
.route-ghost{fill:none;stroke:rgba(255,255,255,.1);stroke-width:13;stroke-linecap:round;stroke-linejoin:round}
.route-main{fill:none;stroke:rgba(255,255,255,.92);stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 0 5px rgba(255,255,255,.28))}
.station__halo{fill:none;stroke:rgba(255,255,255,.2);stroke-width:9}
.station__ring{fill:#00651f;stroke:#fff;stroke-width:2.1}
.station__core{fill:rgba(255,255,255,.92)}
.route-arrow__halo{fill:rgba(255,255,255,.14);stroke:rgba(255,255,255,.35);stroke-width:1}
.route-arrow path{fill:#fff;filter:drop-shadow(0 3px 8px rgba(0,0,0,.35))}
.glass__foot{
  position:absolute;inset:auto 0 0 0;height:34px;z-index:3;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;font-family:var(--mono);font-size:8px;letter-spacing:.12em;
  color:rgba(255,255,255,.5);text-transform:uppercase;
}
.glass__foot > span:first-child{display:flex;align-items:center;gap:8px}
.glass__foot > span:last-child{white-space:nowrap}
.glass__foot b{display:inline-grid;place-items:center;width:20px;height:14px;border-radius:3px;background:rgba(255,255,255,.16);color:#fff;font-size:8px;letter-spacing:.02em}

.hero__scroll{
  position:absolute;left:50%;bottom:22px;transform:translateX(-50%);
  display:flex;flex-direction:column;align-items:center;gap:8px;
  font-family:var(--mono);font-size:8px;letter-spacing:.18em;color:rgba(255,255,255,.45);
}
.hero__scroll i{width:1px;height:34px;background:linear-gradient(to bottom,rgba(255,255,255,.5),transparent)}

/* ---------------- sections ---------------- */
.section{padding:84px 0}
.section--paper{background:var(--paper)}
.section--white{background:#fff}
.section-head{max-width:760px;margin:0 auto 52px;text-align:center}
.section-index{
  display:flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted-2);margin-bottom:16px;
}
.section-index span:first-child{color:var(--green);font-weight:700}
.section-title{
  font-size:clamp(2rem,4vw,2.9rem);line-height:1.14;font-weight:800;letter-spacing:-.025em;
  color:var(--ink);margin-bottom:14px;text-wrap:balance;white-space:pre-line;
}
.section-lede{font-size:16px;line-height:1.8;color:var(--muted);max-width:40em;margin-inline:auto}

/* ---------------- companies ---------------- */
.companies{display:flex;flex-direction:column;gap:20px}
.companies__row{display:grid;grid-template-columns:1fr 1fr;gap:20px}

.company{
  position:relative;background:#fff;border:1px solid var(--line);border-top:4px solid var(--accent);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:box-shadow .3s ease,transform .3s ease;
}
.company:hover{box-shadow:var(--shadow-lift)}
.company--feature{
  display:grid;grid-template-columns:1.02fr .98fr;min-height:400px;
  background:
    radial-gradient(700px 400px at 18% 20%,rgba(255,255,255,.08),transparent 62%),
    linear-gradient(135deg,#064a27 0%,#04351d 70%,#022a17 100%);
  border-color:rgba(255,255,255,.08);border-top-color:var(--accent);color:#fff;
}
.company--feature::before{
  content:"";position:absolute;inset:0;pointer-events:none;z-index:0;
  background-image:radial-gradient(circle at 2px 2px,rgba(255,255,255,.14) 1px,transparent 1.4px);
  background-size:26px 26px;
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 62%);
  mask-image:linear-gradient(90deg,#000,transparent 62%);
  opacity:.55;
}
.company__body{position:relative;z-index:2;padding:38px 40px 32px;display:flex;flex-direction:column}
.company--half{display:flex;flex-direction:column}
.company--half .company__body{flex:1}
.company__body--half{padding:26px 28px 24px}
.company--feature .company__body{max-width:600px}
.company__id{display:flex;align-items:center;gap:14px;margin-bottom:18px}
.logo-chip{
  width:54px;height:54px;border-radius:10px;flex:none;
  display:grid;place-items:center;
  background:#fff;border:1px solid rgba(16,26,19,.06);
}
.logo-chip img{width:36px;height:auto;object-fit:contain}
/* BR 标志是透明底的米色底 + 深棕图形，直接放白章上即可 */
.logo-chip--br img{width:40px;height:40px}
.company__id h3{font-size:28px;line-height:1.15;font-weight:800;letter-spacing:-.02em}
.company__body--half .company__id h3{font-size:23px}
.company__roman{font-family:var(--mono);font-size:9px;letter-spacing:.14em;color:var(--muted-2);margin-top:6px}
.company--feature .company__roman{color:rgba(255,255,255,.42)}
.company__role{
  font-family:var(--mono);font-size:9px;letter-spacing:.13em;text-transform:uppercase;
  color:color-mix(in srgb,var(--accent) 58%,#0f1a13);
  margin-bottom:14px;
}
.company--feature .company__role{color:#8fe0a5}
.company__intro{
  font-size:15.5px;line-height:1.85;color:var(--ink-2);
  max-width:38em;margin-bottom:20px;
}
.company--feature .company__intro{color:rgba(255,255,255,.8);font-size:16px;line-height:1.9}
.company__body--half .company__intro{font-size:14.5px;line-height:1.8;min-height:0}
.tags{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:22px}
.tags span{
  display:inline-flex;align-items:center;height:24px;padding:0 9px;
  border:1px solid color-mix(in srgb,var(--accent) 38%,transparent);
  border-radius:999px;font-size:11px;font-weight:500;
  color:color-mix(in srgb,var(--accent) 48%,#1b241e);
  background:color-mix(in srgb,var(--accent) 7%,#fff);
}
.company--feature .tags span{
  border-color:rgba(255,255,255,.22);color:rgba(255,255,255,.78);
  background:rgba(255,255,255,.06);
}
.company__foot{
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.company--feature .company__foot{border-top-color:rgba(255,255,255,.14)}
.company__lead{font-size:11px;color:var(--muted);white-space:nowrap}
.company--feature .company__lead{color:rgba(255,255,255,.55)}
.company__links{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.mini-link{
  display:inline-flex;align-items:center;gap:3px;
  font-size:11px;font-weight:500;color:var(--ink-2);
  border-bottom:1px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.mini-link:hover{color:var(--green);border-bottom-color:currentColor}
.company--feature .mini-link{color:rgba(255,255,255,.68)}
.company--feature .mini-link:hover{color:#fff}

.company__media{position:relative;overflow:hidden;min-height:100%}
.company__media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:saturate(.86) contrast(1.03);transition:transform .8s cubic-bezier(.2,.7,.3,1)}
.company:hover .company__media img{transform:scale(1.03)}
.company__media-shade{
  position:absolute;inset:0;
  background:linear-gradient(90deg,#04351d 0%,rgba(4,53,29,.5) 34%,rgba(4,53,29,.05) 72%),
             linear-gradient(0deg,rgba(2,26,14,.7),transparent 55%);
}
.company__pattern{position:absolute;inset:0;pointer-events:none}
.company__pattern--tr{
  background:repeating-radial-gradient(circle at 100% 120%,transparent 0 24px,rgba(255,255,255,.16) 25px 26px,transparent 27px 50px);
  opacity:.22;mix-blend-mode:soft-light;
}
.company__pattern--ar{
  background:repeating-linear-gradient(135deg,rgba(198,117,253,.18) 0 1px,transparent 1px 16px);
  opacity:.55;
}
.company__pattern--br{
  background-image:linear-gradient(rgba(59,42,37,.1) 1px,transparent 1px),linear-gradient(90deg,rgba(59,42,37,.1) 1px,transparent 1px);
  background-size:22px 22px;opacity:.55;
}
.company__stamp{
  position:absolute;right:14px;bottom:-34px;
  font-size:210px;line-height:1;font-weight:800;letter-spacing:-.08em;
  color:rgba(255,255,255,.07);pointer-events:none;
}
.company__photo{position:relative;height:176px;overflow:hidden}
.company__photo img{width:100%;height:100%;object-fit:cover;filter:saturate(.82);transition:transform .8s cubic-bezier(.2,.7,.3,1)}
.company:hover .company__photo img{transform:scale(1.04)}
.company__photo-tint{position:absolute;inset:0;background:linear-gradient(180deg,rgba(198,117,253,.16),rgba(20,8,30,.42))}
.company__photo-tint--warm{background:linear-gradient(180deg,rgba(238,220,216,.08),rgba(59,42,37,.55))}

/* 公司专属的低对比图案 / 底色，保证正文仍然易读 */
.company--half::before{
  content:"";position:absolute;left:0;right:0;bottom:0;top:176px;
  z-index:0;pointer-events:none;
}
.company--ar::before{
  background-image:
    linear-gradient(180deg,rgba(198,117,253,.08),rgba(255,255,255,0) 52%),
    repeating-linear-gradient(135deg,rgba(198,117,253,.1) 0 1px,transparent 1px 18px);
}
.company--br::before{
  background-image:
    linear-gradient(180deg,rgba(238,220,216,.35),rgba(255,255,255,0) 55%),
    linear-gradient(rgba(59,42,37,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(59,42,37,.06) 1px,transparent 1px);
  background-size:auto,24px 24px,24px 24px;
}
.company--half .company__body{background:transparent}

/* ---------------- progress ---------------- */
.projects{display:grid;gap:20px}
.project{
  position:relative;overflow:hidden;border-radius:var(--radius);
  min-height:330px;color:#fff;isolation:isolate;
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 24px 60px -40px rgba(0,0,0,.7);
}
.project__bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2;
  filter:blur(15px) saturate(.9) brightness(.84);transform:scale(1.08);
  transition:transform .8s cubic-bezier(.2,.7,.3,1);
}
.project:hover .project__bg{transform:scale(1.12)}
.project__shade{
  position:absolute;inset:0;z-index:-1;
  background:
    radial-gradient(120% 150% at 92% 18%,rgba(var(--accent-rgb),.28),transparent 55%),
    linear-gradient(90deg,rgba(5,14,9,.94) 0%,rgba(5,14,9,.84) 34%,rgba(5,14,9,.46) 68%,rgba(5,14,9,.18) 100%);
}
.project__inner{position:relative;z-index:1;padding:32px 36px 28px}
.project__top,.project__foot{max-width:none}
.project__title,.project__desc,.project__progress{max-width:780px}
.project__top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.line-badge{
  display:inline-grid;place-items:center;height:26px;min-width:34px;padding:0 7px;
  border-radius:5px;background:var(--accent);color:#07130c;
  font-family:var(--mono);font-size:11px;font-weight:800;letter-spacing:.04em;
}
.project__company{font-size:12px;font-weight:600;color:rgba(255,255,255,.78)}
.status{display:inline-flex;align-items:center;gap:6px;font-size:10px;letter-spacing:.08em;color:rgba(255,255,255,.6);font-family:var(--mono)}
.status i{width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(var(--accent-rgb),.16)}
.project__dates{margin-left:auto;font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:rgba(255,255,255,.55);white-space:nowrap}
.project__title{font-size:clamp(1.5rem,2.6vw,2rem);line-height:1.2;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.project__desc{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);max-width:44em;margin-bottom:22px}
.project__progress{display:grid;grid-template-columns:118px 1fr;gap:20px;align-items:end;margin-bottom:18px}
.project__pct{display:flex;align-items:baseline;gap:2px;line-height:.9}
.project__pct span{font-size:56px;font-weight:800;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.project__pct small{font-size:18px;font-weight:600;color:rgba(255,255,255,.55)}
.project__bar{height:6px;border-radius:999px;background:rgba(255,255,255,.15);overflow:hidden;position:relative}
.project__bar i{
  display:block;height:100%;width:0;border-radius:999px;background:var(--accent);
  position:relative;transition:width 1.2s cubic-bezier(.2,.7,.3,1);
}
.project__bar i::after{
  content:"";position:absolute;right:-1px;top:50%;width:12px;height:12px;border-radius:50%;
  transform:translateY(-50%);background:var(--accent);border:2px solid rgba(5,14,9,.65);
}
.project__days{font-family:var(--mono);font-size:10px;letter-spacing:.07em;color:rgba(255,255,255,.5);margin-top:9px}
.project__foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.like{
  display:inline-flex;align-items:center;gap:7px;
  height:34px;padding:0 13px;border-radius:999px;
  border:1px solid rgba(255,255,255,.22);color:rgba(255,255,255,.78);
  font-size:12px;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.like .icon{width:14px;height:14px;fill:transparent;transition:fill .2s ease}
.like:hover{border-color:var(--accent);color:#fff}
.like[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:#07130c}
.like[aria-pressed="true"] .icon{fill:#07130c;stroke:#07130c}
.project__contact{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  color:rgba(255,255,255,.8);border-bottom:1px solid rgba(255,255,255,.24);padding-bottom:2px;
}
.project__contact:hover{color:#fff;border-bottom-color:#fff}

/* ---------------- server / stats ---------------- */
.server__grid{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:56px;align-items:center}
.server__head .section-index{justify-content:flex-start}
.server__head .section-title{margin-bottom:14px}
.server__head .section-lede{margin-inline:0}
.join{
  position:relative;overflow:hidden;border-radius:18px;padding:28px;
  color:#fff;background:
    radial-gradient(500px 300px at 90% 0%,rgba(255,255,255,.14),transparent 60%),
    linear-gradient(145deg,#008000 0%,#00501f 100%);
  box-shadow:0 30px 70px -44px rgba(0,40,18,.65);
}
.join::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 2px 2px,rgba(255,255,255,.16) 1px,transparent 1.4px);
  background-size:24px 24px;opacity:.25;
}
.join>*{position:relative;z-index:1}
.join__eyebrow{font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:rgba(255,255,255,.55);margin-bottom:10px}
.join h3{font-size:28px;line-height:1.2;font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.join p{font-size:13px;line-height:1.75;color:rgba(255,255,255,.76);max-width:32em}
.copy-field{
  width:100%;display:flex;align-items:center;gap:10px;
  margin:18px 0 14px;padding:11px 14px;border-radius:10px;
  background:#fff;color:var(--ink);text-align:left;
  transition:transform .2s ease,box-shadow .2s ease;
}
.copy-field:hover{transform:translateY(-1px);box-shadow:0 12px 30px -20px rgba(0,0,0,.5)}
.copy-field__label{font-size:9px;color:var(--muted);letter-spacing:.06em;white-space:nowrap}
.copy-field code{font-family:var(--mono);font-size:16px;font-weight:700;color:var(--green);margin-left:auto}
.copy-field .icon{width:15px;height:15px;color:var(--muted-2)}
.join__actions{display:flex;flex-wrap:wrap;gap:7px}
.join__link{
  display:inline-flex;align-items:center;gap:5px;
  height:32px;padding:0 10px;border-radius:7px;
  border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);
  color:rgba(255,255,255,.82);font-size:11px;
  transition:background .2s ease,color .2s ease;
}
.join__link:hover{background:rgba(255,255,255,.14);color:#fff}
.join__meta{font-family:var(--mono);font-size:9px;letter-spacing:.08em;color:rgba(255,255,255,.45);margin-top:16px}

.stats{
  display:grid;grid-template-columns:repeat(4,1fr);
  margin-top:56px;border-top:1px solid var(--line);
}
.stat{padding:28px 26px 6px;border-right:1px solid var(--line)}
.stat:first-child{padding-left:0}
.stat:last-child{border-right:0;padding-right:0}
.stat__icon{
  display:grid;place-items:center;width:36px;height:36px;border-radius:9px;
  background:#eaf4e9;color:var(--green);margin-bottom:18px;
}
.stat__icon .icon{width:19px;height:19px}
.stat__num{display:block;font-size:clamp(2.6rem,4.4vw,3.7rem);line-height:1;font-weight:800;letter-spacing:-.04em;color:var(--green);font-variant-numeric:tabular-nums}
.stat__label{display:block;margin-top:10px;font-size:13px;color:var(--muted)}
.stats__note{display:flex;align-items:center;gap:8px;margin-top:18px;font-size:11.5px;line-height:1.6;color:var(--muted-2)}
.stats__dot{width:6px;height:6px;border-radius:50%;background:var(--gray-300);flex:none}
.stats__dot.is-live{background:#34a853;box-shadow:0 0 0 3px rgba(52,168,83,.16)}
.stats__dot.is-stale{background:#e0a63a;box-shadow:0 0 0 3px rgba(224,166,58,.18)}

/* ---------------- footer ---------------- */
.footer{background:#081a10;color:#fff;padding:64px 0 24px}
.footer__top{display:grid;grid-template-columns:1.5fr .8fr .8fr 1fr;gap:40px}
.footer__brand img{width:148px;height:auto;opacity:.92}
.footer__brand p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.55);margin:16px 0 18px;max-width:24em}
.footer__ip{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 12px;
  border:1px solid rgba(255,255,255,.18);border-radius:7px;
  color:rgba(255,255,255,.8);font-family:var(--mono);font-size:11px;
  transition:background .2s ease,border-color .2s ease;
}
.footer__ip:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.35)}
.footer__col{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
.footer__col h4{font-family:var(--mono);font-size:9px;letter-spacing:.15em;text-transform:uppercase;color:rgba(255,255,255,.4);margin-bottom:4px}
.footer__col a,.footer__col button{
  display:inline-flex;align-items:center;gap:3px;
  font-size:13px;color:rgba(255,255,255,.72);text-align:left;transition:color .2s ease;
}
.footer__col a:hover,.footer__col button:hover{color:#fff}
.footer__bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:52px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  font-size:11px;color:rgba(255,255,255,.38);
}

.toast{
  position:fixed;left:50%;bottom:28px;z-index:300;transform:translate(-50%,16px);
  padding:10px 16px;border-radius:8px;background:#0d2417;color:#fff;
  font-size:12px;box-shadow:0 18px 40px -20px rgba(0,0,0,.6);
  opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* ---------------- reveal ---------------- */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .65s cubic-bezier(.2,.7,.3,1),transform .65s cubic-bezier(.2,.7,.3,1);transition-delay:var(--delay,0ms)}
.js .reveal.is-in{opacity:1;transform:none}
.companies .reveal:nth-child(2){--delay:80ms}

/* ---------------- responsive ---------------- */
@media (max-width:1240px){
  .ip-chip__label{display:none}
  .nav{gap:20px;margin-left:10px}
  .brand__text small{display:none}
}
@media (max-width:1200px){
  /* 放不下右侧线路图时，整块隐藏，首屏只保留文字，向下直接进入 01 */
  .hero__grid{grid-template-columns:1fr;gap:0}
  .hero__visual{display:none}
  .hero__copy{max-width:720px;margin-inline:auto;text-align:center}
  /* 中文/日文标题末尾是全角标点，字形视觉重心偏左；居中时右移半个字宽做视觉配平 */
  html[lang="zh-CN"] .hero__title,
  html[lang="zh-TW"] .hero__title,
  html[lang="ja"] .hero__title{transform:translateX(.4em)}
  .hero__kicker{justify-content:center}
  .hero__actions{justify-content:center}
  .hero__meta{text-align:center}
  .hero__scroll{display:none}
}
@media (max-width:1080px){
  .nav{display:none}
  .menu-button{display:inline-flex}
  .server__grid{grid-template-columns:1fr;gap:32px}
  .join{max-width:560px}
  .stats{margin-top:40px}
}
@media (max-width:900px){
  .company--feature{grid-template-columns:1fr;min-height:0}
  .company__media{min-height:260px;order:-1}
  .company__media-shade{background:linear-gradient(0deg,#04351d 0%,rgba(4,53,29,.15) 55%,rgba(4,53,29,.05) 100%)}
  .company--feature .company__body{max-width:none;padding-top:30px}
  .companies__row{grid-template-columns:1fr}
  .company__photo{height:190px}
  .company--half::before{top:190px}
}
@media (max-width:760px){
  .section{padding:72px 0}
  .section-head{margin-bottom:36px}
  .hero{padding-top:calc(var(--header-h) + 40px)}
  .hero__title{font-size:clamp(2.5rem,10vw,3.5rem)}
  .hero__lede{font-size:15px;line-height:1.85}
  .hero__meta{grid-template-columns:1fr 1fr;gap:16px;margin-top:30px}
  .glass{height:330px}
  .project__inner{padding:24px 22px 22px}
  .project__dates{margin-left:0;flex-basis:100%}
  .project__progress{grid-template-columns:90px 1fr;gap:14px}
  .project__pct span{font-size:44px}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:22px 20px 4px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .stat:nth-child(2n){border-right:0;padding-right:0}
  .stat:nth-child(2n+1){padding-left:0}
  .stat:nth-child(n+3){border-bottom:0}
  .footer__top{grid-template-columns:1fr 1fr;gap:32px}
  .footer__brand{grid-column:1/-1}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:6px}
}
@media (max-width:640px){
  .ip-chip{display:none}
}
@media (max-width:560px){
  .header__inner{gap:10px}
  .brand__logo{width:54px}
  .brand__text strong{font-size:15px}
  .lang__button{padding:0 8px;gap:5px}
  .lang__code{display:none}
  .hero__title{font-size:clamp(2.3rem,12vw,3rem)}
  .hero__actions{flex-direction:column;align-items:stretch}
  .button{width:100%}
  .hero__meta{grid-template-columns:1fr;gap:10px}
  .hero__meta div{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
  .hero__meta dt{margin-bottom:0}
  .glass{height:290px;border-radius:14px}
  .section-title{font-size:clamp(1.75rem,7.4vw,2.2rem)}
  .company__body,.company__body--half{padding:24px 20px 22px}
  .company__id h3{font-size:23px}
  .company__body--half .company__id h3{font-size:20px}
  .company__intro,.company__body--half .company__intro{font-size:14px;min-height:0}
  .company__foot{flex-direction:column;align-items:flex-start}
  .company__links{gap:12px}
  .project__pct span{font-size:40px}
  .project__top{gap:8px}
  .footer__top{grid-template-columns:1fr}
  .footer__col{display:grid;grid-template-columns:1fr;gap:8px 16px}
  .footer__col h4{grid-column:1/-1}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .js .reveal{opacity:1;transform:none}
}