/* ==========================================================================
   0. 设计令牌 / Design Tokens
   ========================================================================== */
:root{
  --navy-900:#0A1E3C;
  --navy-850:#08182F;
  --navy-800:#0B2B5C;
  --navy-700:#10386F;
  --blue:#1E6FFF;
  --blue-600:#1757D6;
  --cyan:#00D4FF;
  --cyan-dim:#7FE6FF;
  --white:#FFFFFF;
  --muted:#A8BBD4;
  --muted-dim:#7E93B0;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.16);
  --radius:16px;
  --radius-sm:10px;
  --radius-lg:22px;
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,.84,.44,1);
  --wrap:1240px;
  --nav-h:76px;
  --font:-apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Source Han Sans SC", "Noto Sans CJK SC", "Microsoft YaHei UI", sans-serif;
  --shadow:0 18px 48px -20px rgba(0,0,0,.72);
  --shadow-glow:0 0 0 1px rgba(0,212,255,.22), 0 18px 48px -22px rgba(30,111,255,.55);
}

/* ==========================================================================
   1. Reset & Base
   ========================================================================== */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  color:var(--muted);
  background:var(--navy-900);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,select,textarea{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
::selection{background:rgba(0,212,255,.28);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--navy-850)}
::-webkit-scrollbar-thumb{background:#1d3b6b;border-radius:10px;border:2px solid var(--navy-850)}
::-webkit-scrollbar-thumb:hover{background:#2a5291}

.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}
.skip-link{position:absolute;left:12px;top:-60px;z-index:200;background:var(--cyan);color:#04182c;font-weight:700;padding:10px 16px;border-radius:8px;transition:top .2s var(--ease)}
.skip-link:focus{top:12px}

/* ==========================================================================
   2. Layout primitives
   ========================================================================== */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.section{position:relative;padding:104px 0;scroll-margin-top:var(--nav-h)}
.section + .section{border-top:1px solid var(--line)}
.section--alt{background:linear-gradient(180deg,rgba(11,43,92,.42),rgba(10,30,60,.1))}
.section-head{max-width:760px;margin:0 0 52px}

.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--cyan);margin-bottom:16px}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,var(--cyan),transparent)}
.h2{font-size:clamp(26px,3.4vw,40px);line-height:1.24;font-weight:700;color:var(--white);letter-spacing:-.01em}
.h2 em{font-style:normal;color:var(--cyan)}
.lead{margin-top:18px;font-size:clamp(15px,1.35vw,17px);color:var(--muted);max-width:70ch}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:650;letter-spacing:.01em;white-space:nowrap;cursor:pointer;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease),border-color .22s var(--ease);
}
.btn svg{width:18px;height:18px;flex:none}
.btn--primary{color:#fff;background:linear-gradient(135deg,var(--blue),#2C86FF 55%,var(--cyan));box-shadow:0 12px 30px -12px rgba(30,111,255,.75),0 0 0 1px rgba(255,255,255,.08) inset}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 18px 40px -14px rgba(30,111,255,.9),0 0 0 1px rgba(255,255,255,.14) inset}
.btn--ghost{color:#E6F2FF;background:rgba(255,255,255,.05);border:1px solid var(--line-2)}
.btn--ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(0,212,255,.45);transform:translateY(-2px)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}
.btn:active{transform:translateY(0)}

.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--cyan);font-size:14.5px;font-weight:600}
.link-arrow svg{width:15px;height:15px;transition:transform .22s var(--ease)}
.link-arrow:hover svg{transform:translateX(4px)}

/* ==========================================================================
   4. Header / Navigation
   ========================================================================== */
.header{
  position:fixed;inset:0 0 auto 0;z-index:90;height:var(--nav-h);
  display:flex;align-items:center;background:transparent;border-bottom:1px solid transparent;
  transition:height .3s var(--ease),background .3s var(--ease),border-color .3s var(--ease),backdrop-filter .3s var(--ease);
}
.header.is-scrolled{
  height:62px;background:rgba(10,30,60,.78);
  -webkit-backdrop-filter:blur(18px) saturate(150%);backdrop-filter:blur(18px) saturate(150%);
  border-bottom-color:var(--line);
}
.header__inner{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand__mark{width:38px;height:38px;flex:none;border-radius:9px;box-shadow:0 0 0 1px rgba(255,255,255,.30)}
.brand__text{display:flex;flex-direction:column;line-height:1.15}
.brand__name{font-size:16.5px;font-weight:750;color:#fff;letter-spacing:.02em}
.brand__sub{font-size:11px;color:var(--muted-dim);letter-spacing:.16em}
.nav{display:flex;align-items:center;gap:4px}
.nav a{position:relative;display:block;padding:9px 13px;border-radius:8px;font-size:14.5px;font-weight:550;color:var(--muted);transition:color .22s var(--ease),background .22s var(--ease)}
.nav a::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;background:var(--cyan);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease)}
.nav a:hover{color:#fff;background:rgba(255,255,255,.05)}
.nav a.is-active{color:#fff}
.nav a.is-active::after{transform:scaleX(1)}
.header__cta{flex:none}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-2);align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle .ico-close{display:none}
body.nav-open .nav-toggle .ico-open{display:none}
body.nav-open .nav-toggle .ico-close{display:block}

.drawer{
  position:fixed;inset:62px 0 0 0;z-index:85;background:rgba(8,24,47,.96);
  -webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);
  padding:22px 24px calc(28px + env(safe-area-inset-bottom));overflow-y:auto;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .28s var(--ease),transform .28s var(--ease),visibility .28s;
}
body.nav-open .drawer{opacity:1;visibility:visible;transform:none}
.drawer a{display:flex;align-items:center;justify-content:space-between;padding:15px 4px;font-size:17px;font-weight:600;color:#fff;border-bottom:1px solid var(--line)}
.drawer a span.idx{font-size:12px;color:var(--cyan);letter-spacing:.1em}
.drawer__foot{margin-top:24px;display:grid;gap:12px}
.drawer__foot .btn{width:100%}

/* ==========================================================================
   5. Hero
   ========================================================================== */
.hero{
  position:relative;min-height:100svh;display:flex;align-items:center;
  padding:calc(var(--nav-h) + 60px) 0 72px;overflow:hidden;
  background:
    radial-gradient(1200px 700px at 78% -10%,rgba(30,111,255,.30),transparent 60%),
    radial-gradient(900px 620px at 8% 108%,rgba(0,212,255,.16),transparent 62%),
    linear-gradient(170deg,#0B2B5C 0%,#0A1E3C 55%,#08182F 100%);
}
.hero-bg{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.hero-grid{
  position:absolute;inset:-10% -10% -30%;
  background-image:
    linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 30%,transparent 78%);
  mask-image:radial-gradient(ellipse 90% 70% at 50% 30%,#000 30%,transparent 78%);
  animation:gridDrift 26s linear infinite;
}
@keyframes gridDrift{0%{transform:translate3d(0,0,0)}100%{transform:translate3d(64px,64px,0)}}
.hero-net{position:absolute;inset:0;width:100%;height:100%;opacity:.62}
.hero-net .flow-line{fill:none;stroke:url(#gFlow);stroke-width:1;stroke-dasharray:5 190;stroke-linecap:round;animation:flowMove 9s linear infinite}
@keyframes flowMove{from{stroke-dashoffset:195}to{stroke-dashoffset:0}}
.hero-net .n-base{fill:#0B2B5C;stroke:rgba(0,212,255,.55);stroke-width:1.2}
.hero-net .n-core{fill:var(--cyan);opacity:.9}
.hero-net .n-ring{fill:none;stroke:var(--cyan);stroke-width:1;transform-box:fill-box;transform-origin:center;animation:ringPulse 3.6s ease-out infinite}
@keyframes ringPulse{0%{transform:scale(.6);opacity:.75}70%{transform:scale(3.4);opacity:0}100%{transform:scale(3.4);opacity:0}}
.hero-glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.hero-glow--a{width:520px;height:520px;left:-140px;top:6%;background:rgba(30,111,255,.55);animation:floatA 14s ease-in-out infinite}
.hero-glow--b{width:420px;height:420px;right:-100px;bottom:4%;background:rgba(0,212,255,.30);animation:floatB 18s ease-in-out infinite}
@keyframes floatA{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,30px)}}
@keyframes floatB{0%,100%{transform:translate(0,0)}50%{transform:translate(-34px,-26px)}}
.hero-scan{position:absolute;left:0;right:0;height:180px;top:0;background:linear-gradient(180deg,rgba(0,212,255,.10),transparent);animation:scanDown 11s linear infinite}
@keyframes scanDown{0%{transform:translateY(-180px)}100%{transform:translateY(100vh)}}
.hero-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,24,47,.55) 0%,rgba(8,24,47,.28) 40%,rgba(10,30,60,.86) 100%)}

.hero__inner{position:relative;z-index:2;max-width:900px}
.hero__tag{display:inline-flex;align-items:center;gap:9px;height:34px;padding:0 15px;border-radius:999px;background:rgba(0,212,255,.10);border:1px solid rgba(0,212,255,.28);color:var(--cyan-dim);font-size:13px;font-weight:600;letter-spacing:.04em;margin-bottom:26px}
.hero__tag i{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(0,212,255,.18)}
.hero h1{font-size:clamp(33px,5.6vw,62px);line-height:1.16;font-weight:750;color:#fff;letter-spacing:-.02em}
.hero h1 .grad{background:linear-gradient(100deg,#ffffff 10%,#9CD6FF 48%,var(--cyan) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero__sub{margin-top:24px;max-width:66ch;font-size:clamp(15px,1.5vw,18px);line-height:1.85;color:#C3D5EC}
.hero__sub strong{color:#fff;font-weight:600}
.hero__actions{margin-top:38px;display:flex;flex-wrap:wrap;gap:14px}

.chips{margin-top:44px}
.chips__label{font-size:13px;color:var(--muted-dim);letter-spacing:.06em;margin-bottom:12px}
.chips__row{display:flex;flex-wrap:wrap;gap:10px}
.chip{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border-radius:999px;background:rgba(255,255,255,.045);border:1px solid var(--line-2);color:#D5E4F6;font-size:14px;font-weight:550;transition:background .22s var(--ease),border-color .22s var(--ease),transform .22s var(--ease),color .22s}
.chip svg{width:15px;height:15px;color:var(--cyan)}
.chip:hover{background:rgba(0,212,255,.10);border-color:rgba(0,212,255,.45);color:#fff;transform:translateY(-2px)}
.chip.is-on{background:rgba(0,212,255,.14);border-color:var(--cyan);color:#fff}

.trust{position:relative;z-index:2;margin-top:64px;padding-top:30px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(5,1fr);gap:8px 18px}
.trust__item{position:relative;padding-left:16px}
.trust__item + .trust__item::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:1px;background:var(--line)}
.trust__num{font-size:clamp(24px,2.6vw,34px);font-weight:750;line-height:1.2;color:#fff;letter-spacing:-.01em;font-variant-numeric:tabular-nums}
.trust__num .unit{font-size:.55em;font-weight:600;color:var(--cyan);margin-left:2px}
.trust__txt{margin-top:4px;font-size:13px;color:var(--muted-dim);letter-spacing:.02em}

.scroll-hint{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:11.5px;letter-spacing:.24em;color:rgba(168,187,212,.6)}
.scroll-hint i{width:1px;height:34px;background:linear-gradient(180deg,var(--cyan),transparent);animation:hintMove 2.2s ease-in-out infinite}
@keyframes hintMove{0%,100%{opacity:.25;transform:scaleY(.5);transform-origin:top}50%{opacity:1;transform:scaleY(1)}}

/* ==========================================================================
   6. Capability (五条业务线)
   ========================================================================== */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cap-card{
  position:relative;overflow:hidden;display:flex;flex-direction:column;
  padding:30px 28px 28px;border-radius:var(--radius-lg);
  background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.02));
  border:1px solid var(--line);
  transition:transform .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease);
}
.cap-card::before{content:"";position:absolute;inset:0;opacity:0;background:radial-gradient(420px 260px at var(--mx,50%) var(--my,0%),rgba(30,111,255,.20),transparent 68%);transition:opacity .34s var(--ease);pointer-events:none}
.cap-card::after{content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:linear-gradient(90deg,var(--blue),var(--cyan));transform:scaleX(0);transform-origin:left;transition:transform .4s var(--ease)}
.cap-card:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.30);box-shadow:var(--shadow)}
.cap-card:hover::before{opacity:1}
.cap-card:hover::after{transform:scaleX(1)}
.cap-card.is-pulse{border-color:var(--cyan);box-shadow:var(--shadow-glow)}
.cap-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.cap-icon{width:52px;height:52px;flex:none;border-radius:14px;display:grid;place-items:center;background:linear-gradient(145deg,rgba(30,111,255,.24),rgba(0,212,255,.10));border:1px solid rgba(0,212,255,.24)}
.cap-icon svg{width:26px;height:26px;color:var(--cyan)}
.cap-code{font-size:12px;font-weight:700;letter-spacing:.14em;color:rgba(168,187,212,.55);padding-top:4px}
.cap-title{margin-top:20px;font-size:20px;font-weight:700;color:#fff;line-height:1.35}
.cap-desc{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.75}
.cap-tags{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 11px;border-radius:8px;font-size:12.5px;color:#C6D8EE;background:rgba(255,255,255,.055);border:1px solid var(--line);transition:border-color .25s,color .25s}
.cap-card:hover .tag{border-color:rgba(0,212,255,.24);color:#E4F1FF}
.cap-flow{margin-top:22px;padding-top:18px;border-top:1px dashed var(--line-2);font-size:12.6px;line-height:1.85;color:var(--muted-dim)}
.cap-flow b{color:#CBDDF3;font-weight:600}

/* ==========================================================================
   7. Solution (三角色 Tab)
   ========================================================================== */
.tabs{display:flex;flex-wrap:wrap;gap:8px;padding:6px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line);width:fit-content}
.tab{position:relative;height:44px;padding:0 22px;border-radius:10px;font-size:15px;font-weight:600;color:var(--muted);transition:color .26s var(--ease),background .26s var(--ease);display:inline-flex;align-items:center;gap:8px}
.tab svg{width:17px;height:17px}
.tab:hover{color:#fff}
.tab.is-active{color:#04182c;background:linear-gradient(135deg,var(--cyan),#6FE0FF)}
.panel-wrap{margin-top:38px;position:relative}
.panel{display:none;opacity:0;transform:translateY(14px);transition:opacity .36s var(--ease-out),transform .36s var(--ease-out)}
.panel.is-active{display:block}
.panel.is-in{opacity:1;transform:none}
.sol{display:grid;grid-template-columns:0.95fr 1.05fr;gap:36px;align-items:start;padding:34px;border-radius:var(--radius-lg);background:linear-gradient(160deg,rgba(11,43,92,.55),rgba(255,255,255,.02));border:1px solid var(--line)}
.sol__art{position:relative;aspect-ratio:1/.86;border-radius:var(--radius);overflow:hidden;background:radial-gradient(120% 120% at 20% 10%,#12386F,#08182F 70%);border:1px solid var(--line)}
.sol__art svg{position:absolute;inset:0;width:100%;height:100%}
.sol__art .spin{transform-box:fill-box;transform-origin:center;animation:spinSlow 24s linear infinite}
@keyframes spinSlow{to{transform:rotate(360deg)}}
.sol__badge{position:absolute;left:14px;bottom:14px;display:inline-flex;align-items:center;gap:7px;height:30px;padding:0 13px;border-radius:999px;background:rgba(8,24,47,.75);border:1px solid var(--line-2);font-size:12.5px;color:var(--cyan-dim)}
.sol__title{font-size:23px;font-weight:700;color:#fff;line-height:1.35}
.sol__who{margin-top:6px;font-size:13.5px;color:var(--muted-dim)}
.sol__blocks{margin-top:24px;display:grid;gap:16px}
.sol__block{position:relative;padding-left:44px}
.sol__block i{position:absolute;left:0;top:1px;width:28px;height:28px;border-radius:9px;display:grid;place-items:center;font-size:12px;font-weight:700;font-style:normal}
.sol__block--pain i{background:rgba(255,120,120,.13);color:#FF9C9C;border:1px solid rgba(255,120,120,.28)}
.sol__block--answer i{background:rgba(0,212,255,.13);color:var(--cyan);border:1px solid rgba(0,212,255,.3)}
.sol__k{font-size:12.5px;letter-spacing:.14em;color:var(--muted-dim);font-weight:600}
.sol__v{margin-top:5px;font-size:15.5px;color:#DCE9F8;line-height:1.78}
.sol__links{margin-top:22px;display:flex;flex-wrap:wrap;gap:9px;align-items:center}
.sol__links .lbl{font-size:12.5px;color:var(--muted-dim);margin-right:2px}
.pill{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;font-size:12.5px;font-weight:600;color:var(--cyan-dim);background:rgba(0,212,255,.08);border:1px solid rgba(0,212,255,.22);transition:background .22s,border-color .22s,transform .22s}
.pill:hover{background:rgba(0,212,255,.16);border-color:var(--cyan);transform:translateY(-1px)}

/* ==========================================================================
   8. Methodology (七阶段)
   ========================================================================== */
.mth-rail{position:relative;display:grid;grid-template-columns:repeat(7,1fr);gap:14px}
.mth-rail::before{content:"";position:absolute;left:5%;right:5%;top:30px;height:2px;background:var(--line-2);border-radius:2px}
.mth-rail::after{content:"";position:absolute;left:5%;right:5%;top:30px;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan));border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform 1.5s var(--ease-out)}
.mth-rail.is-in::after{transform:scaleX(1)}
.mth{position:relative;text-align:center;display:flex;flex-direction:column;align-items:center}
.mth__node{position:relative;width:60px;height:60px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(160deg,#12386F,#0B2B5C);border:1px solid var(--line-2);transition:transform .3s var(--ease),border-color .3s var(--ease),box-shadow .3s var(--ease);z-index:2}
.mth__node::before{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px dashed rgba(0,212,255,.22);opacity:0;transition:opacity .3s}
.mth__node svg{width:26px;height:26px;color:var(--cyan)}
.mth:hover .mth__node{transform:translateY(-4px) scale(1.05);border-color:var(--cyan);box-shadow:0 0 0 6px rgba(0,212,255,.10)}
.mth:hover .mth__node::before{opacity:1}
.mth__idx{margin-top:18px;font-size:11.5px;font-weight:700;letter-spacing:.16em;color:rgba(168,187,212,.6)}
.mth__title{margin-top:8px;font-size:15px;font-weight:700;color:#fff;line-height:1.5}
.mth__desc{margin-top:9px;font-size:12.8px;line-height:1.72;color:var(--muted-dim)}
.mth__flag{margin-top:10px;display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;padding:3px 9px;border-radius:6px}
.mth__flag--t{color:#9BE7FF;background:rgba(0,212,255,.12);border:1px solid rgba(0,212,255,.24)}
.mth-note{margin-top:44px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;padding-top:32px;border-top:1px solid var(--line)}
.mth-note__hd{grid-column:1/-1;display:flex;align-items:baseline;gap:12px;margin-bottom:2px}
.mth-note__hd h3{font-size:17px;color:#fff;font-weight:700}
.mth-note__hd span{font-size:12.5px;color:var(--muted-dim)}
.mth-note__item{padding:20px;border-radius:var(--radius);background:rgba(255,255,255,.035);border:1px solid var(--line)}
.mth-note__item b{display:block;color:#fff;font-size:14.5px;margin-bottom:6px}
.mth-note__item p{font-size:13.2px;line-height:1.72;color:var(--muted-dim)}

/* ==========================================================================
   9. Cases (脱敏案例)
   ========================================================================== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.case-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.05),rgba(255,255,255,.018));transition:transform .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease)}
.case-card:hover{transform:translateY(-6px);border-color:rgba(0,212,255,.28);box-shadow:var(--shadow)}
.case-hero{position:relative;height:126px;overflow:hidden;border-bottom:1px solid var(--line);background:radial-gradient(120% 140% at 15% 0%,#14407C,#071527 72%)}
.case-hero svg{position:absolute;inset:0;width:100%;height:100%}
.case-hero .bar{fill:url(#gBar)}
.case-year{position:absolute;right:14px;top:14px;font-size:12px;font-weight:700;letter-spacing:.1em;color:var(--cyan-dim);padding:4px 10px;border-radius:999px;background:rgba(8,24,47,.72);border:1px solid rgba(0,212,255,.26)}
.case-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.case-ind{display:inline-flex;align-items:center;gap:6px;align-self:flex-start;height:26px;padding:0 11px;border-radius:7px;font-size:12px;font-weight:600;color:#BFD4EE;background:rgba(255,255,255,.06);border:1px solid var(--line);margin-bottom:14px}
.case-title{font-size:18px;font-weight:700;color:#fff;line-height:1.45}
.case-block{margin-top:18px}
.case-block__k{font-size:11.5px;letter-spacing:.14em;color:rgba(168,187,212,.72);font-weight:700;padding-bottom:7px;margin-bottom:9px;border-bottom:1px solid var(--line)}
.case-list{display:grid;gap:7px}
.case-list li{position:relative;padding-left:16px;font-size:13.6px;line-height:1.75;color:var(--muted)}
.case-list li::before{content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:2px;background:linear-gradient(135deg,var(--blue),var(--cyan))}
.case-nums{margin-top:auto;padding-top:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:10px;border-top:1px dashed var(--line-2)}
.case-nums .n{font-size:20px;font-weight:750;color:#fff;line-height:1.25;font-variant-numeric:tabular-nums}
.case-nums .n span{font-size:.6em;color:var(--cyan);margin-left:2px}
.case-nums .t{margin-top:3px;font-size:11.5px;color:var(--muted-dim);line-height:1.45}
.disclaimer{margin-top:30px;padding:18px 22px;border-radius:var(--radius);background:rgba(0,212,255,.045);border:1px solid rgba(0,212,255,.18);font-size:12.8px;line-height:1.85;color:#9FB7D4}
.disclaimer b{color:var(--cyan-dim);font-weight:650}

/* ==========================================================================
   10. Creative
   ========================================================================== */
.creative{position:relative;overflow:hidden;border-top:1px solid var(--line);background:radial-gradient(900px 520px at 12% -8%,rgba(124,58,237,.30),transparent 62%),radial-gradient(800px 520px at 92% 6%,rgba(0,212,255,.22),transparent 60%),radial-gradient(700px 480px at 50% 110%,rgba(30,111,255,.28),transparent 62%),linear-gradient(180deg,#0A1E3C,#081430 58%,#0A1E3C)}
.creative::before{content:"";position:absolute;inset:0;pointer-events:none;opacity:.32;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000,transparent 75%);mask-image:radial-gradient(ellipse 80% 70% at 50% 40%,#000,transparent 75%)}
.creative .wrap{position:relative;z-index:2}
.bridge{display:flex;align-items:center;gap:14px;margin-top:26px;padding:14px 22px;border-radius:999px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.16);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);width:fit-content;max-width:100%}
.bridge i{width:8px;height:8px;flex:none;border-radius:50%;background:linear-gradient(135deg,#A855F7,var(--cyan));box-shadow:0 0 14px 3px rgba(168,85,247,.5)}
.bridge p{font-size:clamp(15px,1.5vw,18px);font-weight:650;color:#fff;letter-spacing:.01em}
.cr-sub{margin-top:14px;font-size:13.5px;color:var(--muted-dim)}
.cr-tabs{margin-top:34px;display:flex;flex-wrap:wrap;gap:9px}
.cr-tab{height:40px;padding:0 18px;border-radius:999px;font-size:14px;font-weight:600;color:#C9DBF0;background:rgba(255,255,255,.05);border:1px solid var(--line-2);transition:all .26s var(--ease)}
.cr-tab:hover{color:#fff;background:rgba(255,255,255,.11);transform:translateY(-2px)}
.cr-tab.is-active{color:#0A1024;background:linear-gradient(135deg,#C084FC,#67E8F9);border-color:transparent;box-shadow:0 10px 26px -12px rgba(168,85,247,.8)}
.cr-grid{margin-top:30px;display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.work{position:relative;display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line-2);background:rgba(255,255,255,.04);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.work:hover{transform:translateY(-5px);border-color:rgba(103,232,249,.45);box-shadow:0 22px 44px -24px rgba(0,0,0,.8)}
.cv{position:relative;aspect-ratio:4/3;overflow:hidden;background:#07152B}
.cv > img.cv-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.cv-badges{position:absolute;left:10px;top:10px;right:10px;display:flex;justify-content:space-between;gap:8px}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 9px;border-radius:6px;font-size:11px;font-weight:700;letter-spacing:.04em;background:rgba(8,20,48,.72);border:1px solid rgba(255,255,255,.22);color:#E6F2FF}
.work-body{padding:15px 16px 17px}
.work-title{font-size:14.8px;font-weight:650;color:#fff;line-height:1.5}
.work-meta{margin-top:7px;display:flex;align-items:center;gap:8px;font-size:11.8px;color:var(--muted-dim)}
.cr-note{margin-top:26px;padding:16px 20px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px dashed rgba(255,255,255,.2);font-size:13px;line-height:1.8;color:var(--muted-dim)}
.cr-note b{color:#E4F1FF}
.cr-lines{margin-top:34px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cr-line{padding:22px;border-radius:var(--radius);background:rgba(255,255,255,.045);border:1px solid var(--line-2)}
.cr-line b{display:block;color:#fff;font-size:15.5px;margin-bottom:8px}
.cr-line p{font-size:13.4px;line-height:1.78;color:var(--muted-dim)}

/* ==========================================================================
   11. Integration
   ========================================================================== */
.int-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center}
.sys-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.sys{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:var(--radius-sm);background:rgba(255,255,255,.04);border:1px solid var(--line);transition:border-color .26s,background .26s,transform .26s var(--ease)}
.sys:hover{background:rgba(0,212,255,.07);border-color:rgba(0,212,255,.32);transform:translateX(3px)}
.sys__ico{width:38px;height:38px;flex:none;border-radius:10px;display:grid;place-items:center;background:linear-gradient(150deg,rgba(30,111,255,.28),rgba(0,212,255,.10));border:1px solid rgba(0,212,255,.22)}
.sys__ico svg{width:19px;height:19px;color:var(--cyan)}
.sys__t{font-size:14.5px;font-weight:650;color:#E4F1FF;line-height:1.4}
.topo{position:relative;border-radius:var(--radius-lg);border:1px solid var(--line);background:radial-gradient(120% 120% at 50% 0%,rgba(17,58,113,.65),rgba(7,21,43,.92));padding:18px;overflow:hidden}
.topo svg{width:100%;height:auto;display:block}
.topo-cap{margin-top:12px;font-size:12.5px;color:var(--muted-dim);text-align:center;line-height:1.7}
.topo .ring{fill:none;stroke:rgba(0,212,255,.22);stroke-width:1}
.topo .ring2{fill:none;stroke:rgba(30,111,255,.30);stroke-width:1;stroke-dasharray:4 6}
.topo .hubbox{fill:#0E2E5F;stroke:rgba(0,212,255,.55);stroke-width:1.2}
.topo .nodebox{fill:#0B2B5C;stroke:rgba(168,187,212,.42);stroke-width:1}
.topo text{fill:#E4F1FF;font-size:11px;text-anchor:middle;font-weight:600}
.topo .hubtext{fill:#fff;font-size:12px}
.topo .link{fill:none;stroke:rgba(0,212,255,.45);stroke-width:1.2}

/* ==========================================================================
   12. Credentials
   ========================================================================== */
.cred-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cred-card{padding:26px;border-radius:var(--radius);background:rgba(255,255,255,.035);border:1px dashed rgba(0,212,255,.34);transition:border-color .28s,background .28s,transform .28s var(--ease)}
.cred-card:hover{background:rgba(0,212,255,.05);border-color:var(--cyan);transform:translateY(-3px)}
.cred-card h3{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff}
.cred-card h3 svg{width:19px;height:19px;color:var(--cyan);flex:none}
.cred-card p{margin-top:10px;font-size:13.4px;line-height:1.78;color:var(--muted-dim)}
.stat-row{margin-top:20px;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;padding:26px;border-radius:var(--radius);background:linear-gradient(120deg,rgba(11,43,92,.5),rgba(255,255,255,.02));border:1px solid var(--line)}
.stat-row div{text-align:center}
.stat-row .v{font-size:26px;font-weight:750;color:#fff;line-height:1.3}
.stat-row .k{margin-top:5px;font-size:12.5px;color:var(--muted-dim)}
.faq-list{display:grid;gap:14px}
.faq-item{padding:22px 26px;border-radius:var(--radius);background:rgba(255,255,255,.035);border:1px solid var(--line)}
.faq-item h3{font-size:15.5px;font-weight:700;color:#fff;display:flex;gap:12px;align-items:baseline}
.faq-item h3 .qn{color:var(--cyan);font-size:12.5px;font-weight:750;letter-spacing:.06em;flex:none}
.faq-item p{margin-top:9px;font-size:13.6px;line-height:1.8;color:var(--muted)}
.nt-grid{margin-top:22px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.nt-card{display:flex;flex-direction:column;gap:8px;padding:20px 22px;border-radius:var(--radius);background:rgba(255,255,255,.035);border:1px solid var(--line);text-decoration:none;transition:border-color .28s,transform .28s var(--ease)}
.nt-card:hover{border-color:var(--cyan);transform:translateY(-3px)}
.nt-card .nt-date{font-size:12px;color:var(--cyan);letter-spacing:.06em}
.nt-card h3{font-size:15.5px;color:#fff;line-height:1.5;font-weight:700}
.nt-card p{font-size:13px;color:var(--muted);line-height:1.7;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nt-more{margin-top:18px;text-align:right}
.nt-link{color:var(--cyan);font-size:13.5px;text-decoration:none}
.nt-empty{margin-top:20px;color:var(--muted);font-size:13.5px}
@media (max-width:900px){.nt-grid{grid-template-columns:1fr}}
.trust-alt{margin-top:22px;padding:22px 26px;border-radius:var(--radius);background:rgba(255,255,255,.035);border:1px solid var(--line)}
.trust-alt h3{font-size:16px;color:#fff;font-weight:700}
.trust-alt ol{margin-top:12px;display:grid;gap:9px;counter-reset:ta}
.trust-alt li{position:relative;padding-left:30px;font-size:13.6px;line-height:1.8;color:var(--muted);counter-increment:ta}
.trust-alt li::before{content:counter(ta);position:absolute;left:0;top:3px;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;font-size:11px;font-weight:700;color:var(--cyan);background:rgba(0,212,255,.10);border:1px solid rgba(0,212,255,.26)}

/* Placeholder 统一占位标记 */
.ph{display:inline-flex;align-items:center;padding:1px 8px;border-radius:6px;background:rgba(0,212,255,.08);border:1px dashed rgba(0,212,255,.45);color:#9BE7FF;font-size:.92em;line-height:1.7}
.ph::before{content:"【待补：";opacity:.85}
.ph::after{content:"】";opacity:.85}
.ph-block{display:block;padding:14px 16px;border-radius:var(--radius-sm);background:rgba(0,212,255,.055);border:1px dashed rgba(0,212,255,.42);color:#9BE7FF;font-size:13.4px;line-height:1.8}
.ph-block::before{content:"【待补：";opacity:.9}
.ph-block::after{content:"】";opacity:.9}
.ph-box{display:grid;place-items:center;text-align:center;border:1px dashed rgba(0,212,255,.42);border-radius:var(--radius-sm);background:repeating-linear-gradient(45deg,rgba(0,212,255,.05) 0 10px,transparent 10px 20px);color:#9BE7FF;font-size:12.5px;line-height:1.7;padding:18px}
.ph-box svg{width:26px;height:26px;margin-bottom:8px;opacity:.85}

/* ==========================================================================
   13. Careers
   ========================================================================== */
.career-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start}
.cul-list{margin-top:22px;display:grid;gap:14px}
.cul{display:flex;gap:13px;padding:16px;border-radius:var(--radius-sm);background:rgba(255,255,255,.04);border:1px solid var(--line)}
.cul i{width:30px;height:30px;flex:none;border-radius:8px;display:grid;place-items:center;background:rgba(0,212,255,.10);border:1px solid rgba(0,212,255,.24);color:var(--cyan);font-size:13px;font-weight:700;font-style:normal}
.cul__t{font-size:14.8px;font-weight:650;color:#fff}
.cul__d{margin-top:3px;font-size:13.2px;line-height:1.75;color:var(--muted-dim)}
.mail-box{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:24px;padding:18px 20px;border-radius:var(--radius);background:linear-gradient(120deg,rgba(30,111,255,.16),rgba(0,212,255,.07));border:1px solid rgba(0,212,255,.26)}
.mail-box .lbl{font-size:13px;color:var(--muted-dim)}
.mail-box .btn{height:44px}

/* ==========================================================================
   14. Contact
   ========================================================================== */
.contact-grid{display:grid;grid-template-columns:0.85fr 1.15fr;gap:44px;align-items:start}
.ci-list{margin-top:26px;display:grid;gap:14px}
.ci{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:var(--radius);background:rgba(255,255,255,.04);border:1px solid var(--line)}
.ci__i{width:38px;height:38px;flex:none;border-radius:10px;display:grid;place-items:center;background:linear-gradient(150deg,rgba(30,111,255,.26),rgba(0,212,255,.10));border:1px solid rgba(0,212,255,.22)}
.ci__i svg{width:19px;height:19px;color:var(--cyan)}
.ci__k{font-size:12.5px;letter-spacing:.1em;color:var(--muted-dim);font-weight:600}
.ci__v{margin-top:3px;font-size:15px;color:#fff;line-height:1.6;word-break:break-all}
.qr{margin-top:18px;width:132px;aspect-ratio:1;border-radius:12px;overflow:hidden;border:1px dashed rgba(0,212,255,.4);background:rgba(0,212,255,.05);display:grid;place-items:center;text-align:center;padding:10px;font-size:11.5px;color:#9BE7FF;line-height:1.6}
.qr svg{width:22px;height:22px;margin-bottom:6px;opacity:.85}

.form{padding:32px;border-radius:var(--radius-lg);background:linear-gradient(170deg,rgba(11,43,92,.5),rgba(255,255,255,.02));border:1px solid var(--line);box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13.2px;font-weight:600;color:#C6D8EE;margin-bottom:7px}
.field label .req{color:#FF8A8A;margin-left:3px}
.field input,.field select,.field textarea{width:100%;padding:12px 14px;border-radius:10px;background:rgba(8,24,47,.6);border:1px solid var(--line-2);color:#fff;font-size:14.5px;line-height:1.6;transition:border-color .22s,box-shadow .22s,background .22s;-webkit-appearance:none;appearance:none}
.field select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2300D4FF' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;background-size:18px;padding-right:38px}
.field textarea{min-height:104px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:rgba(168,187,212,.5)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,212,255,.16);background:rgba(8,24,47,.85)}
.field input[aria-invalid="true"],.field select[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:#FF7A7A;box-shadow:0 0 0 3px rgba(255,122,122,.14)}
.err{display:none;margin-top:6px;font-size:12.5px;color:#FF9C9C;line-height:1.6}
.err.is-on{display:block}
.form-foot{margin-top:6px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.form-foot .btn{min-width:170px;height:52px}
.form-note{font-size:12.2px;color:var(--muted-dim);line-height:1.7;flex:1;min-width:220px}
.form-success{display:none;padding:44px 32px;text-align:center;border-radius:var(--radius-lg);background:linear-gradient(170deg,rgba(0,212,255,.10),rgba(30,111,255,.06));border:1px solid rgba(0,212,255,.34)}
.form-success.is-on{display:block;animation:popIn .42s var(--ease-out) both}
@keyframes popIn{from{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}
.form-success .ok{width:64px;height:64px;margin:0 auto 20px;border-radius:50%;display:grid;place-items:center;background:rgba(0,212,255,.14);border:1px solid rgba(0,212,255,.4)}
.form-success .ok svg{width:32px;height:32px;color:var(--cyan)}
.form-success h3{font-size:21px;font-weight:700;color:#fff}
.form-success p{margin-top:12px;font-size:14.5px;color:var(--muted);line-height:1.8}
.form-success .again{margin-top:24px}

/* ==========================================================================
   15. Footer
   ========================================================================== */
.footer{position:relative;padding:60px 0 40px;background:linear-gradient(180deg,#08182F,#050F21);border-top:1px solid var(--line)}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.footer h4{font-size:13.5px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px}
.footer ul{display:grid;gap:10px}
.footer li a,.footer li span{font-size:13.6px;color:var(--muted-dim);transition:color .22s}
.footer li a:hover{color:var(--cyan)}
.footer__legal{margin-top:40px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center;font-size:12.6px;color:rgba(126,147,176,.85);line-height:1.8}
.footer__legal .sep{flex:1;min-width:0}
.footer__links{display:flex;flex-wrap:wrap;gap:16px}
.footer__links a{color:rgba(126,147,176,.9);text-decoration:underline;text-decoration-color:rgba(126,147,176,.35);text-underline-offset:3px}
.footer__links a:hover{color:var(--cyan)}

/* ==========================================================================
   16. Floating UI
   ========================================================================== */
.to-top{position:fixed;right:22px;bottom:22px;z-index:80;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:rgba(11,43,92,.8);border:1px solid var(--line-2);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);color:var(--cyan);opacity:0;visibility:hidden;transform:translateY(12px);transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s,background .3s}
.to-top.is-on{opacity:1;visibility:visible;transform:none}
.to-top:hover{background:rgba(30,111,255,.85);color:#fff}
.to-top svg{width:20px;height:20px}
.mcta{position:fixed;left:0;right:0;bottom:0;z-index:88;display:none;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(8,24,47,.9);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-top:1px solid var(--line)}
.mcta .row{display:flex;gap:10px;max-width:520px;margin:0 auto}
.mcta .btn{flex:1;height:46px;padding:0 12px;font-size:14.5px}
.pulse-target{animation:targetPulse 1.4s var(--ease) 1}
@keyframes targetPulse{0%{box-shadow:0 0 0 0 rgba(0,212,255,.55)}60%{box-shadow:0 0 0 14px rgba(0,212,255,0)}100%{box-shadow:0 0 0 0 rgba(0,212,255,0)}}

/* ==========================================================================
   17. Modal
   ========================================================================== */
.modal{position:fixed;inset:0;z-index:120;display:none;align-items:center;justify-content:center;padding:20px;background:rgba(4,12,26,.72);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.modal.is-on{display:flex}
.modal__box{width:100%;max-width:620px;max-height:82vh;overflow-y:auto;padding:30px;border-radius:var(--radius-lg);background:linear-gradient(170deg,#0B2B5C,#08182F);border:1px solid var(--line-2);box-shadow:var(--shadow);animation:popIn .3s var(--ease-out) both}
.modal__hd{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
.modal__hd h3{font-size:19px;font-weight:700;color:#fff}
.modal__x{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;border:1px solid var(--line-2);color:var(--muted)}
.modal__x:hover{color:#fff;border-color:var(--cyan)}
.modal__x svg{width:17px;height:17px}
.modal__box h4{margin:18px 0 8px;font-size:14.5px;color:var(--cyan-dim);font-weight:700}
.modal__box p,.modal__box li{font-size:13.8px;line-height:1.85;color:var(--muted)}
.modal__box ul{display:grid;gap:6px;padding-left:18px;list-style:disc}
.modal__box ul li::marker{color:var(--cyan)}

/* ==========================================================================
   18. Reveal
   ========================================================================== */
.reveal{opacity:0;translate:0 16px;transition:opacity .5s var(--ease-out),translate .5s var(--ease-out)}
.reveal.is-in{opacity:1;translate:0 0}
/* 揭示位移改用独立的 translate 属性，与 hover 使用的 transform 彻底分离：
   - .reveal.is-in 不再写 transform，因此不会覆盖卡片的 :hover{transform:…}；
   - 卡片自身带 hover 过渡，用更高特异性（0,2,0）合并声明，避免被上面 .reveal 的
     transition 简写覆盖（否则 border-color / box-shadow / transform 过渡会丢失）。 */
.reveal.work{transition:opacity .5s var(--ease-out),translate .5s var(--ease-out),transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}
.reveal.cap-card{transition:opacity .5s var(--ease-out),translate .5s var(--ease-out),transform .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease)}
.reveal.case-card{transition:opacity .5s var(--ease-out),translate .5s var(--ease-out),transform .34s var(--ease),border-color .34s var(--ease),box-shadow .34s var(--ease)}
.reveal.cred-card{transition:opacity .5s var(--ease-out),translate .5s var(--ease-out),border-color .28s,background .28s,transform .28s var(--ease)}
/* 阶梯延迟：提升到与卡片合并规则同级（0,2,0）并置于其后，确保 transition-delay 不被覆盖 */
.reveal.reveal--d1{transition-delay:.08s}
.reveal.reveal--d2{transition-delay:.16s}
.reveal.reveal--d3{transition-delay:.24s}
.reveal.reveal--d4{transition-delay:.32s}
.reveal.reveal--d5{transition-delay:.4s}
.reveal.reveal--d6{transition-delay:.48s}

/* ==========================================================================
   19. Responsive
   ========================================================================== */
@media (max-width:1440px){:root{--wrap:1180px}}
@media (max-width:1200px){
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .cr-grid{grid-template-columns:repeat(3,1fr)}
  .mth-rail{grid-template-columns:repeat(4,1fr);gap:26px 14px}
  .mth-rail::before,.mth-rail::after{display:none}
}
@media (max-width:1024px){
  .nav,.header__cta{display:none}
  .nav-toggle{display:flex}
  .section{padding:84px 0}
  .int-grid{grid-template-columns:1fr;gap:32px}
  .sol{grid-template-columns:1fr;gap:26px}
  .sol__art{max-width:520px}
  .contact-grid{grid-template-columns:1fr;gap:34px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:30px}
  .cred-grid{grid-template-columns:repeat(2,1fr)}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:22px 16px}
  .career-grid{grid-template-columns:1fr;gap:30px}
  .cr-lines{grid-template-columns:1fr}
  .mth-note{grid-template-columns:1fr}
}
@media (max-width:768px){
  body{padding-bottom:66px}
  .mcta{display:block}
  .to-top{bottom:80px;right:16px}
  .wrap{padding:0 18px}
  .section{padding:64px 0}
  .hero{min-height:auto;padding:calc(var(--nav-h) + 40px) 0 56px}
  .hero__actions{margin-top:30px}
  .hero__actions .btn{flex:1;min-width:180px}
  .scroll-hint{display:none}
  .trust{grid-template-columns:repeat(2,1fr);gap:22px 14px;margin-top:44px}
  .trust__item:last-child{grid-column:1/-1}
  .trust__item + .trust__item::before{display:none}
  .trust__item{border-left:2px solid var(--line);padding-left:14px}
  .cap-grid,.cred-grid{grid-template-columns:1fr}
  .cr-grid{grid-template-columns:repeat(2,1fr);gap:14px}
  .case-grid{grid-template-columns:1fr}
  .mth-rail{grid-template-columns:1fr;gap:0}
  .mth{text-align:left;align-items:flex-start;flex-direction:row;gap:14px;padding-bottom:22px;position:relative}
  .mth::before{content:"";position:absolute;left:29px;top:60px;bottom:0;width:2px;background:var(--line-2)}
  .mth:last-child::before{display:none}
  .mth__body{padding-top:2px}
  .header,.header.is-scrolled{height:62px}
  .drawer{inset:62px 0 0 0}
  .footer{padding:44px 0 40px}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .form{padding:22px 20px}
  .form-row{grid-template-columns:1fr;gap:0}
  .modal__box{padding:24px 20px}
}
@media (max-width:480px){
  .cr-grid{grid-template-columns:1fr}
  .sys-list{grid-template-columns:1fr}
  .hero__tag{font-size:12px;height:32px;padding:0 12px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .cr-tab{height:36px;padding:0 14px;font-size:13px}
  .tab{height:40px;padding:0 16px;font-size:14px}
  .tabs{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .tabs::-webkit-scrollbar{display:none}
  .case-nums{grid-template-columns:1fr;gap:12px}
  .case-nums .c{display:flex;align-items:baseline;gap:10px}
  .case-nums .t{margin-top:0}
  .stat-row{grid-template-columns:1fr 1fr}
}

/* ==========================================================================
   20. Reduced motion / Print
   ========================================================================== */
@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}
  .reveal{opacity:1;translate:0 0}
  .hero-scan,.hero-net{display:none}
}
@media print{
  .header,.to-top,.mcta,.drawer,.hero-bg,.modal{display:none !important}
  body{background:#fff;color:#111}
  .section{padding:20px 0;border:0}
}