:root{--wc-ink:#111114;--wc-muted:#6d6d73;--wc-line:#e6e6ea;--wc-soft:#f7f7f8;--wc-dark:#0a0b0d;--wc-dark2:#111318;--wc-darkline:#25282e;--wc-darkmuted:#9297a1}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",Inter,Segoe UI,Arial,sans-serif;color:var(--wc-ink);background:#fff;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}
.wc-header{height:72px;border-bottom:1px solid var(--wc-line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:relative;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:blur(16px)}
.wc-header-inner,.wc-footer-inner{width:min(1180px,100%);margin:auto;display:flex;align-items:center;gap:24px}.wc-header-inner{justify-content:space-between};grid-template-columns:1fr auto 1fr;display:grid.wc-brand{display:flex;align-items:center;gap:10px;font-weight:750;letter-spacing:-.035em;white-space:nowrap}.wc-mark{width:28px;height:28px;border:1.5px solid #111;border-radius:8px;display:grid;place-items:center;font-size:12px;font-weight:800}.wc-page{color:#8a8a90;font-weight:550}.wc-page:before{content:"·";margin:0 9px;color:#b4b4ba}.wc-nav{display:flex;align-items:center;gap:22px;font-size:12px;color:#5f6067}.wc-nav a:hover,.wc-nav a.active{color:#111}.wc-nav .wc-outline{border:1px solid #cfcfd5;border-radius:18px;padding:8px 13px;color:#222;font-weight:650}.wc-menu{display:none}
.wc-footer{border-top:1px solid var(--wc-line);padding:28px;color:#777;font-size:12px;background:#fff}.wc-footer-inner{justify-content:space-between}.wc-footer-links{display:flex;gap:18px;flex-wrap:wrap}.wc-footer-links a:hover{color:#111}
.wc-dark{background:var(--wc-dark);color:#e9ebef}.wc-dark .wc-header{background:rgba(10,11,13,.94);border-color:var(--wc-darkline)}.wc-dark .wc-mark{border-color:#f2f3f5}.wc-dark .wc-page{color:#777d88}.wc-dark .wc-nav{color:#8f949e}.wc-dark .wc-nav a:hover,.wc-dark .wc-nav a.active{color:#fff}.wc-dark .wc-nav .wc-outline{border-color:#353941;color:#f0f1f3}.wc-dark .wc-footer{background:var(--wc-dark);border-color:var(--wc-darkline);color:#747984}.wc-dark .wc-footer-links a:hover{color:#fff}
.wc-wrap{width:min(1180px,calc(100% - 48px));margin:auto}.wc-hero{padding:90px 0 75px}.wc-kicker{font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:#777;font-weight:750;margin-bottom:20px}.wc-dark .wc-kicker{color:#777e88}.wc-hero h1{font-size:clamp(44px,7vw,82px);line-height:.98;letter-spacing:-.065em;margin:0;max-width:900px}.wc-hero h1 span{color:#8b8c92}.wc-dark .wc-hero h1 span{color:#737883}.wc-hero p{max-width:720px;font-size:18px;line-height:1.6;color:var(--wc-muted);margin:25px 0 0}.wc-dark .wc-hero p{color:var(--wc-darkmuted)}
.wc-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}.wc-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 17px;border-radius:22px;border:1px solid #d4d5da;font-size:12px;font-weight:700}.wc-btn.primary{background:#111;color:#fff;border-color:#111}.wc-btn.secondary{background:#fff}.wc-dark .wc-btn{border-color:#34373e;background:#15171b;color:#e8e9ed}.wc-dark .wc-btn.primary{background:#f3f4f6;color:#0a0b0d;border-color:#f3f4f6}
.wc-section{border-top:1px solid var(--wc-line);padding:70px 0}.wc-dark .wc-section{border-color:var(--wc-darkline)}.wc-section h2{font-size:clamp(30px,4vw,50px);letter-spacing:-.055em;line-height:1.03;margin:0 0 28px}.wc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--wc-line);border:1px solid var(--wc-line);border-radius:20px;overflow:hidden}.wc-card{background:#fff;padding:28px;min-height:210px}.wc-card h3{font-size:19px;letter-spacing:-.025em;margin:0 0 9px}.wc-card p{font-size:13px;line-height:1.65;color:var(--wc-muted);margin:0}.wc-num{font:700 10px ui-monospace,monospace;color:#96979e;margin-bottom:45px}.wc-dark .wc-grid{background:var(--wc-darkline);border-color:var(--wc-darkline)}.wc-dark .wc-card{background:#101216}.wc-dark .wc-card p{color:#9297a1}.wc-dark .wc-num{color:#6f747e}
.wc-panel{border:1px solid var(--wc-line);border-radius:20px;padding:28px;background:#fff}.wc-dark .wc-panel{border-color:var(--wc-darkline);background:#101216}.wc-code{font:12px/1.65 ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;background:#f5f5f6;border:1px solid #e3e3e7;border-radius:13px;padding:17px;overflow:auto;white-space:pre-wrap}.wc-dark .wc-code{background:#0b0c0f;border-color:#24272d;color:#cfd3da}.wc-table{width:100%;border-collapse:collapse;font-size:12px}.wc-table th,.wc-table td{text-align:left;padding:12px 10px;border-bottom:1px solid var(--wc-line);vertical-align:top}.wc-dark .wc-table th,.wc-dark .wc-table td{border-color:var(--wc-darkline)}.wc-table th{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#85878e}.wc-table td.mono{font-family:ui-monospace,monospace;font-size:11px}
.wc-note{padding:15px 17px;border:1px solid var(--wc-line);border-radius:13px;background:var(--wc-soft);font-size:12px;line-height:1.6;color:#606169}.wc-dark .wc-note{border-color:var(--wc-darkline);background:#111318;color:#9ca1ab}.wc-status{display:inline-flex;align-items:center;gap:7px;font-size:10px;font-weight:750;text-transform:uppercase;letter-spacing:.06em}.wc-dot{width:7px;height:7px;border-radius:50%;background:#22a06b}.wc-small{font-size:11px;color:#85878f;line-height:1.6}
.wc-input{height:46px;width:100%;border:1px solid #d4d5da;border-radius:10px;padding:0 13px;font:13px inherit;outline:none;background:#fff;color:#111}.wc-input:focus{border-color:#111}.wc-dark .wc-input{background:#0b0c0f;border-color:#34373e;color:#f1f2f4}.wc-dark .wc-input:focus{border-color:#fff}.wc-form{display:flex;gap:8px}.wc-form .wc-input{flex:1}
@media(max-width:850px){.wc-nav{display:flex;gap:12px;max-width:52vw;overflow-x:auto;scrollbar-width:none}.wc-nav::-webkit-scrollbar{display:none}.wc-nav a{white-space:nowrap}.wc-menu{display:none}.wc-header{height:64px;padding:0 18px}.wc-wrap{width:min(100% - 36px,1180px)}.wc-hero{padding:62px 0 55px}.wc-grid{grid-template-columns:1fr}.wc-card{min-height:auto}.wc-footer-inner{display:block}.wc-footer-links{margin:15px 0}.wc-form{flex-direction:column}.wc-form .wc-btn{width:100%}.wc-section{padding:55px 0}}

/* WaterChain navigation standard */
.wc-header{position:sticky !important;top:0;z-index:1000;}
.wc-footer-links{display:flex;align-items:center;justify-content:center;gap:18px 24px;flex-wrap:wrap;}
.wc-footer-links a{white-space:nowrap;}
@media(max-width:850px){.wc-footer-links{justify-content:flex-start;gap:14px 20px;}}

/* WaterChain persistent header */
.wc-header{position:sticky !important;top:0;z-index:5000;}

/* WaterChain global sticky header */
.wc-header{position:sticky !important;top:0 !important;left:auto !important;right:auto !important;width:100%;z-index:5000 !important;}


/* WaterChain final global fixed header */
.wc-header{position:fixed !important;top:0 !important;left:0 !important;right:0 !important;width:100% !important;z-index:10000 !important;}
body{padding-top:72px;}
@media(max-width:850px){body{padding-top:64px;}}


/* WaterChain universal fixed header enforcement */
.wc-header{position:fixed !important;top:0 !important;left:0 !important;right:0 !important;width:100% !important;z-index:99999 !important;}
body{padding-top:72px !important;}
@media(max-width:850px){body{padding-top:64px !important;}}

/* WaterChain global header standard */
.wc-header{position:fixed!important;top:0!important;left:0!important;right:0!important;width:100%!important;z-index:10000!important}
body{padding-top:72px!important}
@media(max-width:850px){body{padding-top:64px!important}}

/* Current Verify uploader — isolated styles */
.verify-upload{margin-top:20px;padding:24px;border:1px solid #dedfe4;border-radius:18px;background:linear-gradient(180deg,#fbfbfc 0%,#f6f6f8 100%);box-shadow:inset 0 1px 0 rgba(255,255,255,.9)}
.verify-upload-main{display:grid;grid-template-columns:52px minmax(0,1fr) auto;align-items:center;gap:16px}
.verify-upload-icon{width:52px;height:52px;border:1px solid #d9dbe0;border-radius:15px;background:#fff;display:grid;place-items:center;font-size:20px;font-weight:800;box-shadow:0 5px 15px rgba(0,0,0,.05)}
.verify-upload-copy{min-width:0;display:flex;flex-direction:column;gap:5px}
.verify-upload-copy strong{font-size:14px;line-height:1.25}
.verify-upload-copy span{font-size:11px;line-height:1.5;color:#6c7078}
.verify-upload-copy small{font-size:10px;line-height:1.4;color:#9a9da4}
.verify-upload .upload-button{height:42px;padding:0 18px;border-radius:11px;border:1px solid #111;background:#111;color:#fff;font-weight:800;box-shadow:0 7px 18px rgba(0,0,0,.12)}
.verify-upload .upload-button:hover{transform:translateY(-1px);box-shadow:0 10px 22px rgba(0,0,0,.16)}
.verify-file-row{margin-top:18px;padding:11px 12px;border:1px solid #e0e1e5;border-radius:13px;background:#fff;display:grid;grid-template-columns:36px minmax(0,1fr) auto;align-items:center;gap:12px;min-height:56px;box-sizing:border-box}
.verify-file-type{width:36px;height:36px;border-radius:9px;background:#17181b;color:#fff;display:grid;place-items:center;font-size:8px;font-weight:850;letter-spacing:.05em}
.verify-file-info{min-width:0}
.verify-file-info strong{display:block;font-size:11px;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.verify-file-info span{display:block;margin-top:3px;font-size:9px;line-height:1.35;color:#858990}
.verify-file-state{justify-self:end;white-space:nowrap;font-size:8px;font-weight:850;letter-spacing:.08em;padding:5px 8px;border-radius:999px;background:#f1f2f4;color:#6d7077}
.verify-file-row.processing .verify-file-state{background:#f0f1f3;color:#555}
.verify-file-row.match .verify-file-state{background:#eaf8f0;color:#087f5b}
.verify-file-row.mismatch .verify-file-state{background:#fff0f0;color:#b42318}
.verify-upload-foot{display:flex;justify-content:space-between;gap:10px;margin-top:12px;padding-top:11px;border-top:1px solid #e4e5e8;font-size:8px;font-weight:750;letter-spacing:.06em;color:#92959c}
@media(max-width:700px){.verify-upload-main{grid-template-columns:46px minmax(0,1fr)}.verify-upload-icon{width:46px;height:46px}.verify-upload .upload-button{grid-column:1/-1;width:100%}.verify-file-row{grid-template-columns:34px minmax(0,1fr)}.verify-file-state{grid-column:2;justify-self:start}.verify-upload-foot{flex-wrap:wrap}}

/* Verify upload — aligned to WaterChain issuance upload language */
.verify-upload{position:relative;padding:0 0 20px !important;background:transparent !important;border:0 !important;box-shadow:none !important;text-align:left !important}
.verify-upload .supporting-label{font-size:13px;font-weight:700;color:#111;margin:0 0 9px}
.verify-upload .supporting-label span{font-weight:800}
.verify-upload-main{min-height:142px;border:1px dashed #cfd1d7;border-radius:18px;background:#fbfbfc;display:flex;align-items:center;justify-content:center;gap:15px;flex-direction:column;text-align:center;padding:18px 20px;box-sizing:border-box}
.verify-upload-main .verify-upload-icon{font-size:14px;line-height:1;color:#777}
.verify-upload-copy{display:flex;flex-direction:column;align-items:center;gap:5px}
.verify-upload-copy strong{font-size:15px;line-height:1.3}
.verify-upload-copy span{font-size:11px;color:#777}
.verify-upload-copy .choose-inline{border:0;background:none;padding:0;font:inherit;color:#666;text-decoration:none;cursor:pointer}
.verify-upload-copy .choose-inline:hover{text-decoration:underline;color:#111}
.verify-file-row{display:grid !important;grid-template-columns:minmax(0,1fr) auto !important;align-items:center;gap:12px;margin-top:12px;padding:10px 12px;border:1px solid #e0e1e5;border-radius:12px;background:#fff}
.verify-file-info{min-width:0}
.verify-file-info strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:11px}
.verify-file-info span{display:block;margin-top:3px;font-size:9px;color:#858990}
.verify-file-state{font-size:8px;font-weight:800;letter-spacing:.08em;padding:6px 8px;border-radius:999px;background:#f1f2f4;color:#666}
.verify-file-row.match .verify-file-state{background:#e9f8f0;color:#087f5b}
.verify-file-row.mismatch .verify-file-state{background:#fff0f0;color:#b42318}

/* ===== Verify v6 — premium upload card ===== */
.verify-upload{position:relative!important;margin-top:22px!important;padding:0 0 20px!important;background:transparent!important;border:0!important;box-shadow:none!important;text-align:left!important}
.verify-upload .supporting-label{display:block!important;margin:0 0 10px!important;font-size:13px!important;line-height:1.3!important;font-weight:700!important;color:#16171a!important}
.verify-upload .supporting-label span{font-weight:800!important}
.verify-upload-main{min-height:148px!important;width:100%!important;box-sizing:border-box!important;padding:22px 26px!important;border:1px dashed #cfd2d8!important;border-radius:18px!important;background:#fbfbfc!important;display:flex!important;align-items:center!important;justify-content:center!important;flex-direction:column!important;gap:9px!important;text-align:center!important;transition:border-color .18s ease,background .18s ease,box-shadow .18s ease!important}
.verify-upload:hover .verify-upload-main,.verify-upload.dragover .verify-upload-main{border-color:#111!important;background:#f8f8f9!important;box-shadow:0 10px 28px rgba(0,0,0,.045)!important}
.verify-upload-icon{width:auto!important;height:auto!important;border:0!important;border-radius:0!important;background:transparent!important;box-shadow:none!important;font-size:14px!important;line-height:1!important;color:#70747b!important;font-weight:500!important}
.verify-upload-copy{display:flex!important;flex-direction:column!important;align-items:center!important;gap:5px!important;min-width:0!important}
.verify-upload-copy strong{font-size:15px!important;line-height:1.3!important;font-weight:800!important;color:#111!important}
.verify-upload-copy span{font-size:11px!important;line-height:1.45!important;color:#74777e!important}
.verify-upload-copy .choose-inline{display:inline!important;border:0!important;padding:0!important;margin:0!important;background:none!important;color:#555960!important;font:inherit!important;font-weight:650!important;text-decoration:underline!important;text-underline-offset:2px!important;cursor:pointer!important}
.verify-file-row{margin-top:12px!important;min-height:58px!important;width:100%!important;box-sizing:border-box!important;padding:10px 12px!important;border:1px solid #e2e3e7!important;border-radius:13px!important;background:#fff!important;display:grid!important;grid-template-columns:34px minmax(0,1fr) auto!important;align-items:center!important;gap:11px!important}
.verify-file-type{width:34px!important;height:34px!important;border-radius:8px!important;background:#17181b!important;color:#fff!important;display:grid!important;place-items:center!important;font-size:7px!important;font-weight:850!important;letter-spacing:.04em!important}
.verify-file-info{min-width:0!important}
.verify-file-info strong{display:block!important;font-size:11px!important;line-height:1.35!important;font-weight:750!important;white-space:nowrap!important;overflow:hidden!important;text-overflow:ellipsis!important;color:#191a1d!important}
.verify-file-info span{display:block!important;margin-top:3px!important;font-size:9px!important;line-height:1.35!important;color:#8b8e95!important}
.verify-file-state{justify-self:end!important;white-space:nowrap!important;font-size:8px!important;font-weight:850!important;letter-spacing:.08em!important;padding:5px 8px!important;border-radius:999px!important;background:#f0f1f3!important;color:#6e7178!important}
.verify-file-row.processing .verify-file-state{background:#f0f1f3!important;color:#555!important}
.verify-file-row.match .verify-file-state{background:#eaf8f0!important;color:#087f5b!important}
.verify-file-row.mismatch .verify-file-state{background:#fff0f0!important;color:#b42318!important}
.verify-upload-foot{display:flex!important;justify-content:space-between!important;gap:12px!important;margin-top:11px!important;padding-top:10px!important;border-top:1px solid #e6e7ea!important;font-size:8px!important;font-weight:700!important;letter-spacing:.045em!important;color:#979aa1!important}
.legacy-notice{margin:14px 0 0!important;padding:12px 14px!important;border:1px solid #e6e0cf!important;border-radius:12px!important;background:#fcfaf4!important;display:flex!important;flex-direction:column!important;gap:3px!important}
.legacy-notice b{font-size:10px!important;letter-spacing:.05em!important;text-transform:uppercase!important;color:#705f2d!important}
.legacy-notice span{font-size:10px!important;line-height:1.5!important;color:#77705c!important}
@media(max-width:700px){.verify-upload-main{min-height:135px!important;padding:20px!important}.verify-file-row{grid-template-columns:34px minmax(0,1fr)!important}.verify-file-state{grid-column:2!important;justify-self:start!important}.verify-upload-foot{flex-direction:column!important;gap:5px!important}}

@media(max-width:850px){.wc-header-inner{display:flex;justify-content:space-between}.wc-nav{justify-self:auto}}

/* WaterChain header navigation centering */
.wc-header .wc-nav,
.site-header .wc-nav,
header .wc-nav,
.wc-header nav,
.site-header nav{
  position:absolute !important;
  left:50% !important;
  transform:translateX(-50%) !important;
  margin-left:0 !important;
  margin-right:0 !important;
}
@media(max-width:820px){
  .wc-header .wc-nav,
  .site-header .wc-nav,
  header .wc-nav,
  .wc-header nav,
  .site-header nav{
    position:static !important;
    transform:none !important;
  }
}