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.evidence{padding:140px 0;color:#fff;background:radial-gradient(circle at 80% 8%,rgba(255,61,25,.18),transparent 24%),radial-gradient(circle at 15% 84%,rgba(255,203,56,.08),transparent 30%),#101212;overflow:hidden}.evidence-shell{display:grid;grid-template-columns:.8fr 1.2fr .72fr;grid-template-rows:auto 320px;gap:24px}.evidence-intro{padding:30px 20px 40px 0}.evidence-intro h2{margin:24px 0;font-family:"Arial Black","Microsoft YaHei",sans-serif;font-size:clamp(40px,4.5vw,70px);line-height:1;letter-spacing:-.07em}.evidence-intro>p:last-child{color:rgba(255,255,255,.57);line-height:1.8}.video-card,.photo-card{position:relative;margin:0;overflow:hidden;border-radius:30px 8px 30px 8px;background:#050606}.video-card{grid-row:span 2;min-height:760px}.video-card video,.photo-card img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease),filter 1.1s var(--ease)}.video-card video{object-position:center;filter:brightness(.78) saturate(.75)}.video-card:hover video,.photo-card:hover img{transform:scale(1.035);filter:brightness(.92) saturate(.9)}.video-card figcaption,.photo-card figcaption{position:absolute;left:16px;right:16px;bottom:16px;display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border:1px solid rgba(255,255,255,.16);border-radius:14px;background:rgba(8,9,9,.68);backdrop-filter:blur(16px);color:#fff;font-size:13px;font-weight:900}.video-card button{width:42px;height:42px;border:0;border-radius:50%;background:var(--signal);color:#fff;cursor:pointer}.video-card button .iconify{font-size:23px}.photo-card figcaption{justify-content:flex-start;gap:12px}.photo-card figcaption span{color:var(--acid)}.photo-card-dark{min-height:400px}.photo-card-gate{min-height:320px;grid-column:1}.photo-card img{filter:brightness(.67) contrast(1.08)}
.chain{padding:160px 0 180px}.chain-track{margin-top:110px;display:grid;grid-template-columns:1fr auto 1fr auto 1fr auto 1fr;align-items:stretch;gap:18px}.chain-node{min-height:310px;padding:34px 28px;position:relative;border:2px solid var(--ink);border-radius:36px 10px 36px 10px;background:radial-gradient(circle at 78% 18%,rgba(255,203,56,.22),transparent 24%),rgba(255,255,255,.38);transition:transform .5s var(--ease),box-shadow .5s var(--ease)}.chain-node:hover{transform:translateY(-12px) rotate(-1deg);box-shadow:0 25px 60px rgba(12,13,13,.12)}.chain-node>.iconify{display:block;margin:40px 0 52px;font-size:62px;color:var(--signal)}.node-number{font-size:12px;font-weight:1000;letter-spacing:.12em}.chain-node h3{margin:0 0 12px;font-size:28px;letter-spacing:-.05em}.chain-node p{margin:0;color:var(--muted);line-height:1.6}.chain-arrow{align-self:center;color:var(--signal);font-size:32px}.danger-node{color:#fff;border-color:var(--signal);background:radial-gradient(circle at 70% 15%,rgba(255,203,56,.2),transparent 28%),var(--signal)}.danger-node>.iconify{color:#fff}.danger-node p{color:rgba(255,255,255,.72)}
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.route{padding:130px 0 150px;background:radial-gradient(circle at 50% 120%,rgba(255,61,25,.12),transparent 48%)}.route-shell>.eyebrow{text-align:center}.route-line{margin-top:80px;display:grid;grid-template-columns:230px 1fr 230px;align-items:center;gap:40px}.route-point{text-align:center}.route-point .iconify{font-size:52px;color:var(--signal)}.route-point strong,.route-point small{display:block}.route-point strong{margin-top:16px;font-size:20px}.route-point small{margin-top:8px;color:var(--muted)}.route-segment{position:relative;display:flex;align-items:center;justify-content:space-between}.route-segment:before{content:"";position:absolute;left:0;right:0;height:2px;background:repeating-linear-gradient(90deg,var(--ink) 0 9px,transparent 9px 18px)}.route-segment span,.route-segment i{position:relative;z-index:2;background:var(--paper);border:3px solid var(--ink);border-radius:50%}.route-segment span{width:22px;height:22px}.route-segment i{width:11px;height:11px;background:var(--signal);border-color:var(--signal)}.route-segment em{position:absolute;top:34px;left:50%;transform:translateX(-50%);white-space:nowrap;font-style:normal;color:var(--signal);font-size:12px;font-weight:900;letter-spacing:.1em}.route-end .iconify{color:var(--ink)}
.closing{min-height:84svh;display:grid;place-items:center;color:#fff;overflow:hidden}.closing>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.34) contrast(1.16) saturate(.55)}.closing-overlay{position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,transparent,rgba(0,0,0,.72) 85%)}.closing-content{position:relative;z-index:2;text-align:center;padding:70px 24px}.closing-content img{width:170px;margin:0 auto 32px;filter:drop-shadow(0 16px 35px rgba(0,0,0,.35))}.closing-content p{font-size:11px;letter-spacing:.22em;font-weight:900;color:var(--acid)}.closing-content h2{margin:24px 0;font-family:"Arial Black","Microsoft YaHei",sans-serif;font-size:clamp(58px,8vw,126px);line-height:.94;letter-spacing:-.08em}.closing-content>span{color:rgba(255,255,255,.58);font-size:13px;font-weight:800}
.chapter-indicator{position:fixed;z-index:85;right:26px;top:50%;opacity:0;transform:translateX(120px);transition:opacity .5s var(--ease),transform .5s var(--ease);writing-mode:vertical-rl;color:#fff;mix-blend-mode:difference;font-size:11px;font-weight:900;letter-spacing:.12em}.chapter-indicator i{display:inline-block;height:80px;width:1px;margin:14px 0;background:currentColor;opacity:.4}.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease)}.reveal.is-visible{opacity:1;transform:none}
@media(max-width:1000px){.site-header{grid-template-columns:1fr auto}nav{display:none}.hero h1{max-width:720px}.risk-stamp{width:165px;right:28px;bottom:88px;padding:22px}.section-heading,.chain-title,.control-heading{grid-template-columns:1fr;gap:24px}.problem-grid{grid-template-columns:1fr}.evidence-shell{grid-template-columns:1fr 1fr;grid-template-rows:auto}.video-card{grid-row:auto;min-height:660px}.evidence-intro{grid-column:1/-1}.photo-card-gate{grid-column:auto;min-height:400px}.chain-track{grid-template-columns:1fr 1fr}.chain-arrow{display:none}}
@media(max-width:680px){.site-header{top:10px;width:calc(100% - 20px);height:62px;border-radius:15px}.brand span{display:none}.brand img{width:42px;height:42px}.present-button{padding:11px 14px}.section-shell,.hero-content{width:calc(100% - 36px)}.hero-content{padding-top:148px}.kicker{flex-direction:column;gap:7px}.hero h1{font-size:clamp(54px,17vw,82px);line-height:.92}.hero-subtitle{width:80%;margin-top:24px}.hero-actions{flex-direction:column;align-items:flex-start}.risk-stamp{width:128px;bottom:68px;padding:17px}.risk-stamp .iconify{font-size:26px}.risk-stamp strong{font-size:23px}.hero-location{left:18px;bottom:28px;font-size:10px}.hero-location i{width:28px}.problem,.chain,.control{padding:100px 0}.problem-grid{margin-top:60px;gap:40px}.problem-copy{padding-left:20px}.evidence{padding:95px 0}.evidence-shell{grid-template-columns:1fr}.video-card{min-height:610px}.photo-card-dark,.photo-card-gate{min-height:360px}.chain-track{grid-template-columns:1fr;margin-top:60px}.chain-node{min-height:250px}.chain-node>.iconify{margin:25px 0 36px}.control-list{margin-top:60px}.control-item{grid-template-columns:64px 1fr;padding:30px 0;gap:18px}.control-item>.iconify{display:none}.route-line{grid-template-columns:1fr;gap:50px}.route-segment{min-height:40px}.route-segment em{top:38px}.closing-content img{width:125px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition-duration:.01ms!important}}

/* Editorial spacing refinement */
.hero h1{max-width:980px;font-size:clamp(60px,7.6vw,132px);letter-spacing:-.055em;line-height:.95}
.hero-subtitle{margin-top:40px}
.section-heading h2,.chain-title h2,.control-heading h2{line-height:1.03;letter-spacing:-.06em}
.problem-grid{grid-template-columns:1.08fr .92fr;gap:clamp(80px,8vw,126px);margin-top:110px}
.problem-copy p{max-width:650px;margin-bottom:30px}
.problem-copy .lead{line-height:1.52;letter-spacing:-.025em}
.quote-line{padding-top:22px}
.facts{gap:16px}
.fact{min-height:142px;padding:30px 30px 26px 108px}
.fact>.iconify{left:30px;top:40px}
.photo-card-dark{grid-row:span 2;min-height:760px}
.photo-card-dark img{object-position:center 42%}

@media(max-width:1180px) and (min-width:681px){
  .site-header{grid-template-columns:1fr auto}
  nav{display:none}
  .hero h1{max-width:760px}
  .risk-stamp{width:165px;right:28px;bottom:88px;padding:22px}
  .section-heading,.chain-title,.control-heading{grid-template-columns:1fr;gap:30px}
  .problem-grid{grid-template-columns:1fr;gap:56px}
  .problem-copy p{max-width:720px}
  .evidence-shell{grid-template-columns:1fr 1fr;grid-template-rows:auto}
  .video-card,.photo-card-dark{grid-row:auto;min-height:660px}
  .evidence-intro{grid-column:1/-1;max-width:760px}
  .photo-card-gate{grid-column:auto;min-height:400px}
  .chain-track{grid-template-columns:1fr 1fr}
  .chain-arrow{display:none}
}

@media(max-width:680px){
  .hero-content{padding-top:136px}
  .kicker{gap:7px;margin-bottom:26px}
  .hero h1{font-size:clamp(50px,15.5vw,76px);line-height:.98;letter-spacing:-.045em}
  .hero-subtitle{width:74%;margin-top:26px;line-height:1.65}
  .hero-actions{margin-top:24px}
  .risk-stamp{width:auto;aspect-ratio:auto;right:18px;bottom:82px;padding:12px 16px;border-radius:999px;transform:rotate(2deg)}
  .risk-stamp .iconify{font-size:22px;margin:0}
  .risk-stamp small,.risk-stamp em{display:none}
  .risk-stamp strong{font-size:18px;letter-spacing:-.04em}
  .problem,.chain,.control{padding:96px 0}
  .problem-grid{margin-top:62px;gap:44px}
  .problem-copy p{font-size:16px;line-height:1.8}
  .facts{gap:12px}
  .fact{min-height:126px}
  .photo-card-dark,.photo-card-gate{grid-row:auto;min-height:390px}
  .route-line{gap:58px}
  .route-segment{min-height:44px;margin:0 26px}
  .route-segment em{top:40px}
}