/* theme-v2: 蓝紫科技感主题 + 登录/咨询/对比/轮播/致敬模块 */
:root{
  --blue:#3b4fd6;
  --blue-deep:#1a1f7a;
  --purple:#6b3fd4;
  --violet:#8b5cf6;
  --deep:#0a0d3a;
  --ink:#0e1238;
  --cyan:#62e9ff;
  --magenta:#c084fc;
  --line:rgba(107,63,212,.16);
  --wrap:min(1240px,calc(100vw - 80px));
  --grad:linear-gradient(135deg,#2f46d8 0%,#5b35d0 48%,#7c3aed 100%);
  --grad-soft:linear-gradient(145deg,rgba(47,70,216,.92),rgba(107,63,212,.88));
}

.auth-page .brand-mark{
  background:#072b61 url(assets/product-logo.png) center/82% no-repeat!important;
  border-radius:8px;
}

/* brand mark uses logo image when available */
.brand-mark,.brand-symbol{
  background:transparent url(assets/product-logo.png) center/contain no-repeat !important;
  color:transparent !important;
  border:0 !important;
  border-radius:0 !important;
}

.site-header{
  backdrop-filter:blur(16px);
  background:rgba(8,10,40,.72) !important;
  border-bottom:1px solid rgba(139,92,246,.18);
}
.site-header nav a{color:rgba(255,255,255,.82)}
.site-header nav a:hover{color:#fff}
.header-action,.button.primary{
  background:var(--grad) !important;
  border:0 !important;
  box-shadow:0 10px 28px rgba(79,70,229,.35);
}
.header-actions-row{
  display:flex;align-items:center;gap:10px;margin-left:auto;
}
.auth-slot{display:flex;align-items:center;gap:8px}
.auth-link{
  color:#fff;text-decoration:none;font-size:13px;padding:8px 12px;border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
}
.auth-link.primary{background:var(--grad);border-color:transparent}
.auth-user{
  display:inline-flex;align-items:center;gap:8px;color:#fff;text-decoration:none;font-size:13px;
}
.auth-avatar{
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad);font-size:12px;font-weight:700;
}
.auth-logout{
  border:0;background:transparent;color:rgba(255,255,255,.7);cursor:pointer;font-size:12px;
}
.auth-logout:hover{color:#fff}

/* Hero purple-blue */
.hero{
  background:radial-gradient(ellipse at 70% 20%,rgba(124,58,237,.35),transparent 45%),
             radial-gradient(ellipse at 20% 80%,rgba(47,70,216,.4),transparent 40%),
             linear-gradient(145deg,#14186a 0%,#2a1f8f 42%,#4c1d95 100%) !important;
}
.hero:before{
  background:radial-gradient(circle at 50% 40%,rgba(98,233,255,.12),transparent 55%) !important;
}
.hero-tag{color:rgba(196,181,253,.95)!important;letter-spacing:.12em}
.hero h1 span{
  background:linear-gradient(90deg,#a5b4fc,#e9d5ff,#67e8f9);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-machine{opacity:.92;filter:saturate(1.05)}
.machine-window{
  border-color:rgba(167,139,250,.35)!important;
  box-shadow:0 30px 80px rgba(15,10,60,.45), inset 0 0 0 1px rgba(255,255,255,.06)!important;
}
.machine-chip{
  background:linear-gradient(135deg,rgba(49,46,129,.88),rgba(91,33,182,.8))!important;
  border:1px solid rgba(196,181,253,.25)!important;
}

.capability-strip{
  background:linear-gradient(180deg,#0f1248,#12165a)!important;
  border-color:rgba(139,92,246,.2)!important;
}
.capability-strip article b{color:#a78bfa!important}
.capability-strip strong{color:#eef2ff!important}

/* five feature chips */
.feature-pills{
  display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:28px;
}
.feature-pills article{
  padding:18px 16px;border-radius:18px;
  background:linear-gradient(160deg,rgba(255,255,255,.08),rgba(255,255,255,.02));
  border:1px solid rgba(167,139,250,.22);color:#e0e7ff;
}
.feature-pills b{display:block;font-size:12px;color:#c4b5fd;margin-bottom:8px;letter-spacing:.08em}
.feature-pills span{font-size:14px;line-height:1.45;color:#f8fafc}

/* Scan carousel */
.scan-carousel{
  position:relative;border-radius:24px;overflow:hidden;
  border:1px solid rgba(167,139,250,.28);
  background:linear-gradient(160deg,#0b1038,#1e1b4b);
  min-height:420px;
}
.scan-slide{display:none;position:relative}
.scan-slide.active{display:block}
.scan-slide .scan-pair{
  display:grid;grid-template-columns:1fr 1fr;min-height:420px;
}
.scan-slide img{width:100%;height:420px;object-fit:contain;display:block}
.scan-slide .scan-line-wrap{position:relative;overflow:hidden}
.scan-slide .scan-beam{
  position:absolute;inset:0 auto 0 0;width:28%;
  background:linear-gradient(90deg,transparent,rgba(98,233,255,.55),transparent);
  animation:scanMove 2.8s ease-in-out infinite;
  pointer-events:none;
}
@keyframes scanMove{
  0%{transform:translateX(-20%);opacity:.2}
  50%{opacity:1}
  100%{transform:translateX(360%);opacity:.2}
}
.scan-meta{
  position:absolute;left:18px;bottom:18px;z-index:2;
  padding:10px 14px;border-radius:12px;background:rgba(8,10,40,.72);color:#fff;font-size:13px;
  border:1px solid rgba(255,255,255,.12);
}
.scan-controls{
  display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:14px;
}
.scan-dots{display:flex;gap:8px}
.scan-dots button,.scan-nav button{
  border:0;cursor:pointer;border-radius:999px;
}
.scan-dots button{width:8px;height:8px;background:rgba(255,255,255,.28)}
.scan-dots button.active{background:#a78bfa;width:22px}
.scan-nav button{
  padding:8px 14px;background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.14)
}

/* Homage 吕大临 */
.homage-section{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#0b0f3d 0%,#2e1065 55%,#1e1b4b 100%);
  color:#fff;
}
.homage-layout{
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.homage-kicker{color:#c4b5fd;letter-spacing:.16em;font-size:12px;margin:0 0 12px}
.homage-title{
  font-size:clamp(28px,3.5vw,42px);margin:0 0 12px;line-height:1.25;
}
.homage-title em{
  font-style:normal;color:#e9d5ff;
  border-bottom:2px solid rgba(167,139,250,.7);
}
.homage-chain{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:18px 0 22px;
}
.homage-chain span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:54px;padding:10px 14px;border-radius:14px;
  background:rgba(255,255,255,.06);border:1px solid rgba(196,181,253,.25);
  font-weight:700;letter-spacing:.08em;
}
.homage-chain i{color:#67e8f9;font-style:normal;opacity:.8}
.homage-copy{color:rgba(226,232,255,.82);line-height:1.75;margin:0}
.homage-book{
  position:relative;border-radius:22px;overflow:hidden;
  border:1px solid rgba(196,181,253,.25);
  box-shadow:0 28px 80px rgba(0,0,0,.35);
}
.homage-book img{width:100%;display:block;max-height:420px;object-fit:cover}
.homage-book figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  background:linear-gradient(transparent,rgba(8,8,30,.88));font-size:12px;color:#e9d5ff;
}

/* Archive / cases grid with compare */
.archive-toolbar{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 24px}
.archive-toolbar button{
  border:1px solid rgba(139,92,246,.25);background:#fff;color:#312e81;
  border-radius:999px;padding:8px 14px;cursor:pointer;font-size:13px;
}
.archive-toolbar button.active,.archive-toolbar button:hover{
  background:var(--grad);color:#fff;border-color:transparent;
}
.case-click-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.case-click-card{
  cursor:pointer;border-radius:18px;overflow:hidden;background:#0f1238;color:#fff;
  border:1px solid rgba(167,139,250,.2);transition:transform .25s ease, box-shadow .25s ease;
}
.case-click-card:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(49,46,129,.28)}
.case-click-card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden}
.case-click-card .thumb img{width:100%;height:100%;object-fit:contain;display:block}
.case-click-card .thumb .ghost{display:none}
.case-click-card .meta{padding:14px 16px}
.case-click-card b{display:block;font-size:15px;margin-bottom:4px}
.case-click-card small{color:rgba(226,232,255,.7)}
#case-compare-stage{margin-top:28px}
.compare-caption{text-align:center;color:#64748b;margin:12px 0 0;font-size:13px}

/* Case catalog data and detail states */
.cases-section{padding-top:120px}
.cases-section .section-head h2{max-width:100%;font-size:46px;line-height:1.12;letter-spacing:0;overflow-wrap:anywhere;white-space:normal}
.case-summary{
  display:flex;align-items:center;flex-wrap:wrap;gap:18px;margin:24px 0 8px;
  color:#64748b;font-size:13px;
}
.case-summary b{color:#3730a3;font-size:20px;margin-right:4px}
.case-rights-summary{flex:1 1 320px;color:#94a3b8}
.case-click-card{position:relative;min-width:0}
.case-click-card:focus-visible{outline:3px solid #a78bfa;outline-offset:3px}
.case-click-card .thumb{background:#f8fafc}
.case-click-card .case-category{
  position:absolute;left:12px;top:12px;padding:5px 8px;border-radius:6px;
  color:#fff;background:rgba(15,18,56,.76);font-size:11px;line-height:1;
}
.case-click-card .case-period{display:block;margin-top:3px;line-height:1.45}
.case-click-card .case-description{
  display:-webkit-box;overflow:hidden;margin:10px 0 12px;color:rgba(226,232,255,.72);
  font-size:12px;line-height:1.55;-webkit-box-orient:vertical;-webkit-line-clamp:3;
}
.case-meta-footer{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:11px}
.case-institution{overflow:hidden;color:rgba(226,232,255,.58);text-overflow:ellipsis;white-space:nowrap}
.case-publication{flex:none;padding:4px 6px;border:1px solid rgba(251,191,36,.38);border-radius:4px;color:#fcd34d}
.case-publication.is-confirmed{border-color:rgba(74,222,128,.4);color:#86efac}
.case-load-state{grid-column:1/-1;min-height:160px;display:grid;place-items:center;color:#64748b}
.case-load-state.is-error{color:#b45309}
.case-detail-panel{
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(260px,.8fr);gap:28px;align-items:start;
  padding:24px;border:1px solid #e2e8f0;border-radius:14px;background:#fff;
  box-shadow:0 16px 42px rgba(30,41,59,.1);
}
.case-detail-panel .slider-wrapper{width:100%;max-width:none;min-height:340px}
.case-detail-copy{padding:8px 4px}
.case-detail-category{display:block;color:#6366f1;font-size:12px;letter-spacing:0}
.case-detail-copy h3{margin:8px 0 10px;color:#172554;font-size:24px}
.case-detail-description{margin:0 0 18px;color:#475569;font-size:14px;line-height:1.75}
.case-detail-copy dl{display:grid;gap:10px;margin:0 0 18px}
.case-detail-copy dl>div{display:grid;grid-template-columns:68px minmax(0,1fr);gap:10px;padding-bottom:8px;border-bottom:1px solid #eef2f7}
.case-detail-copy dt{color:#94a3b8;font-size:12px}
.case-detail-copy dd{margin:0;color:#334155;font-size:12px;line-height:1.55}
.case-total-link{display:inline-flex;align-items:center;color:#4f46e5;font-size:13px;text-decoration:none}
.case-total-link:hover{text-decoration:underline}
@media(max-width:820px){
  .cases-section{padding-top:96px}
  .cases-section .section-head h2{font-size:30px}
  .cases-page{overflow-x:hidden}
  .cases-page .wrap{max-width:calc(100vw - 28px);min-width:0}
  .cases-page .site-header .header-actions-row{display:none}
  .cases-page .archive-toolbar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .cases-page .archive-toolbar button{min-width:0;padding:8px 6px}
  .cases-page .case-click-grid,.cases-page .case-click-card{width:100%;min-width:0}
  .case-detail-panel{grid-template-columns:1fr;padding:16px}
  .case-detail-panel .slider-wrapper{min-height:280px}
}

/* Scenes application cards */
.scene-cards{
  display:grid;grid-template-columns:repeat(2,1fr);gap:20px;
}
.scene-card{
  position:relative;border-radius:22px;overflow:hidden;min-height:260px;
  border:1px solid rgba(167,139,250,.22);color:#fff;
}
.scene-card img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.scene-card .overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:22px;background:linear-gradient(transparent 20%,rgba(10,12,40,.88));
}
.scene-card h3{margin:0 0 6px;font-size:20px}
.scene-card p{margin:0;color:rgba(226,232,255,.8);font-size:14px;line-height:1.55}

/* Modal + forms */
.modal{
  position:fixed;inset:0;z-index:1000;display:none;place-items:center;
  background:rgba(8,10,30,.62);backdrop-filter:blur(6px);padding:20px;
}
.modal.open{display:grid}
.modal-card{
  width:min(520px,100%);background:#fff;border-radius:20px;padding:28px 26px;
  box-shadow:0 30px 80px rgba(15,23,42,.28);position:relative;color:#0f172a;
}
.modal-card h3{margin:0 0 8px;font-size:22px}
.modal-card .sub{margin:0 0 18px;color:#64748b;font-size:14px}
.modal-close{
  position:absolute;right:14px;top:12px;border:0;background:transparent;font-size:22px;cursor:pointer;color:#94a3b8;
}
.form-grid{display:grid;gap:12px}
.form-grid label{display:grid;gap:6px;font-size:13px;color:#334155}
.form-grid input,.form-grid select,.form-grid textarea{
  border:1px solid #dbe3f0;border-radius:12px;padding:11px 12px;font:inherit;color:#0f172a;
  background:#f8fafc;
}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{
  outline:2px solid rgba(99,102,241,.25);border-color:#818cf8;background:#fff;
}
.form-row{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:end}
.form-msg{min-height:20px;font-size:13px;color:#6366f1;margin:4px 0 0}
.integration-note{
  margin:0 0 16px;padding:10px 12px;border:1px solid #c7d2fe;background:#eef2ff;
  color:#4338ca;font-size:12px;line-height:1.6;border-radius:8px;
}
.site-notice{
  position:fixed;z-index:9999;left:50%;top:20px;transform:translateX(-50%);
  width:min(560px,calc(100% - 32px));padding:12px 16px;border:1px solid #c7d2fe;
  border-radius:8px;background:#fff;color:#312e81;box-shadow:0 12px 32px rgba(30,27,75,.18);
  font-size:13px;line-height:1.5;text-align:center;
}
.form-actions{display:flex;gap:10px;margin-top:8px}
.btn{
  border:0;border-radius:12px;padding:12px 16px;cursor:pointer;font:inherit;font-weight:600;
}
.btn-primary{background:var(--grad);color:#fff}
.btn-ghost{background:#eef2ff;color:#3730a3}
.btn:disabled{opacity:.6;cursor:not-allowed}

/* Auth pages */
.auth-page{
  min-height:100vh;display:grid;place-items:center;padding:40px 16px;
  background:
    radial-gradient(circle at 20% 20%,rgba(124,58,237,.25),transparent 35%),
    radial-gradient(circle at 80% 80%,rgba(47,70,216,.3),transparent 35%),
    linear-gradient(145deg,#0b0f3d,#1e1b4b 50%,#312e81);
}
.auth-card{
  width:min(440px,100%);background:rgba(255,255,255,.96);border-radius:22px;padding:32px 28px;
  box-shadow:0 30px 80px rgba(0,0,0,.28);
}
.auth-card h1{margin:0 0 8px;font-size:26px;color:#1e1b4b}
.auth-card .lead{margin:0 0 22px;color:#64748b;font-size:14px}
.auth-card .links{margin-top:16px;font-size:13px;color:#64748b}
.auth-card .links a{color:#4f46e5;text-decoration:none;font-weight:600}
.profile-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:8px;
}
.profile-item{
  padding:14px;border-radius:14px;background:#f8fafc;border:1px solid #e2e8f0;
}
.profile-item small{display:block;color:#94a3b8;font-size:12px;margin-bottom:4px}
.profile-item b{color:#1e293b;font-size:15px;word-break:break-all}

/* Partners / contact purple accents */
.partners-section{background:linear-gradient(135deg,#0b0f3d,#2e1065)!important}
.contact{background:linear-gradient(120deg,#1e1b4b,#312e81 45%,#4c1d95)!important}
.map-console{border-color:rgba(167,139,250,.3)!important}

@media (max-width:1000px){
  .feature-pills{grid-template-columns:1fr 1fr}
  .case-click-grid{grid-template-columns:1fr 1fr}
  .homage-layout,.scan-slide .scan-pair,.scene-cards{grid-template-columns:1fr}
  .scan-slide img{height:260px}
  .scan-carousel{min-height:auto}
}
@media (max-width:700px){
  .feature-pills,.case-click-grid,.profile-grid{grid-template-columns:1fr}
  .header-actions-row .header-action{display:none}
  .site-header nav{display:none}
}

/* v2 layout fixes */
.capability-strip{grid-template-columns:repeat(5,1fr)!important;background:linear-gradient(180deg,#0f1248,#12165a)!important;color:#e2e8f0}
.capability-strip article{padding:22px 16px!important}
.capability-strip article+article{border-left-color:rgba(167,139,250,.18)!important}
.capability-strip span{color:rgba(226,232,255,.75)!important}
.capability-strip strong{color:#f8fafc!important}
.contact{display:grid!important;grid-template-columns:1.1fr .9fr;gap:28px;align-items:start}
.contact .modal-card{width:100%}
@media(max-width:900px){
  .capability-strip{grid-template-columns:1fr 1fr!important}
  .contact{grid-template-columns:1fr!important}
}
@media(max-width:700px){
  .capability-strip{grid-template-columns:1fr!important}
}