@property --spin { syntax: '<angle>'; initial-value: 0deg; inherits: false; }
:root {
  --navy:#10233f; --navy-2:#18385f; --blue:#2457ff; --blue-deep:#1641d6;
  --cyan:#66dff5; --coral:#ff6b55; --canvas:#eef3f9; --paper:#fbfdff;
  --muted:#63748a; --line:#d7e0eb; --soft-blue:#e8efff; --success:#087b71;
  --radius-sm:10px; --radius-md:18px; --radius-lg:30px;
  --shadow:0 24px 70px rgba(30,62,104,.14);
}
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0; min-height:100vh; color:var(--navy); background:var(--canvas);
  font:15px/1.65 "HarmonyOS Sans SC","MiSans","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
body::before {
  content:""; position:fixed; inset:0; z-index:-2;
  background:linear-gradient(rgba(35,76,125,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(35,76,125,.045) 1px,transparent 1px);
  background-size:32px 32px; mask-image:linear-gradient(to bottom,#000 0%,transparent 78%);
}
body::after {
  content:""; position:fixed; top:-24vw; right:-18vw; z-index:-3; width:64vw; height:64vw; border-radius:50%;
  background:radial-gradient(circle,rgba(102,223,245,.3),rgba(36,87,255,.08) 48%,transparent 70%); filter:blur(10px);
}
a { color:var(--blue-deep); }
button,input,textarea,select { font:inherit; }
.shell { width:min(1240px,calc(100% - 40px)); margin:0 auto; }
.topbar { display:grid; grid-template-columns:1fr auto 1fr; align-items:center; min-height:84px; border-bottom:1px solid rgba(16,35,63,.11); }
.brand { display:inline-flex; align-items:center; gap:11px; width:max-content; color:var(--navy); text-decoration:none; font-weight:900; letter-spacing:-.04em; font-size:19px; }
.brand-mark { position:relative; display:inline-grid; place-items:center; width:34px; height:34px; color:#fff; border-radius:11px 11px 11px 3px; background:var(--blue); box-shadow:7px 7px 0 rgba(102,223,245,.38); transform:rotate(-4deg); }
.brand-mark::before,.brand-mark::after { content:""; position:absolute; background:#fff; border-radius:99px; }
.brand-mark::before { width:14px; height:3px; transform:rotate(-42deg); }
.brand-mark::after { width:3px; height:14px; transform:rotate(-42deg); }
.top-tag { justify-self:center; display:inline-flex; align-items:center; gap:8px; color:var(--muted); font-size:12px; }
.top-tag::before { content:""; width:7px; height:7px; border-radius:50%; background:#20b99d; box-shadow:0 0 0 5px rgba(32,185,157,.12); }
.nav { justify-self:end; display:flex; align-items:center; gap:6px; }
.nav a { color:var(--navy); text-decoration:none; padding:9px 12px; border-radius:10px; font-size:13px; font-weight:700; transition:background .2s ease,transform .2s ease; }
.nav a:hover { background:rgba(255,255,255,.7); transform:translateY(-1px); }
.hero { display:grid; grid-template-columns:minmax(0,.88fr) minmax(500px,1.12fr); gap:clamp(48px,7vw,100px); align-items:start; padding:64px 0 86px; }
.hero-copy { position:relative; padding-top:46px; }
.hero-kicker { display:flex; align-items:center; gap:12px; margin-bottom:26px; font-size:13px; font-weight:800; color:var(--blue); }
.hero-kicker::before { content:""; width:34px; height:2px; background:var(--blue); }
h1 { margin:0; font-size:clamp(48px,5.6vw,76px); line-height:1.03; letter-spacing:-.065em; font-weight:950; }
.hero h1 { max-width:7.5em; }
.hero .lead { max-width:520px; margin:26px 0 0; color:var(--muted); font-size:17px; line-height:1.9; }
.process-line { display:grid; grid-template-columns:repeat(3,1fr); margin-top:40px; border-top:1px solid rgba(16,35,63,.16); }
.process-item { position:relative; padding:17px 8px 0 0; color:var(--muted); font-size:12px; }
.process-item::before { content:""; position:absolute; top:-4px; left:0; width:7px; height:7px; border-radius:50%; background:var(--paper); border:2px solid var(--blue); }
.process-item b { display:block; margin-bottom:2px; color:var(--navy); font-size:14px; }
.brief-board { position:relative; isolation:isolate; animation:board-in .8s cubic-bezier(.2,.8,.2,1) both; }
.brief-board::before,.brief-board::after { content:""; position:absolute; z-index:-1; border:1px solid rgba(36,87,255,.14); background:rgba(251,253,255,.45); }
.brief-board::before { inset:22px -18px -14px 24px; border-radius:36px; transform:rotate(1.7deg); }
.brief-board::after { inset:45px 24px -26px -12px; border-radius:28px; transform:rotate(-1.2deg); }
.tool-chip { position:absolute; z-index:3; display:flex; align-items:center; gap:7px; border:1px solid rgba(16,35,63,.12); background:rgba(255,255,255,.94); box-shadow:0 12px 32px rgba(31,63,103,.14); border-radius:999px; padding:8px 12px; color:var(--navy-2); font-size:11px; font-weight:800; pointer-events:none; }
.tool-chip::before { content:""; width:8px; height:8px; border-radius:3px; background:var(--chip,var(--blue)); }
.chip-a { --chip:var(--coral); top:78px; right:-42px; animation:chip-float 5s ease-in-out infinite; }
.chip-b { --chip:var(--cyan); bottom:92px; left:-48px; animation:chip-float 6s ease-in-out -2s infinite reverse; }
.card { position:relative; background:rgba(251,253,255,.94); border:1px solid rgba(255,255,255,.9); border-radius:var(--radius-lg); box-shadow:var(--shadow),inset 0 0 0 1px rgba(26,67,110,.07); padding:clamp(26px,3.6vw,46px); }
.brief-card { overflow:hidden; }
.brief-card::before { content:""; position:absolute; inset:0 auto 0 0; width:5px; background:linear-gradient(var(--blue),var(--cyan) 55%,var(--coral)); }
.board-head { display:flex; align-items:start; justify-content:space-between; gap:24px; margin-bottom:28px; }
.board-head h2,.card h2 { margin:0; font-size:25px; line-height:1.2; letter-spacing:-.035em; }
.board-head p,.sub { margin:6px 0 0; color:var(--muted); font-size:13px; }
.progress-ring { --value:8%; position:relative; display:grid; place-items:center; flex:0 0 auto; width:48px; height:48px; border-radius:50%; background:conic-gradient(var(--blue) var(--value),#e4eaf1 0); }
.progress-ring::before { content:""; position:absolute; inset:5px; border-radius:inherit; background:var(--paper); }
.progress-ring span { position:relative; font-size:10px; font-weight:900; }
.form-section { position:relative; padding:24px 0 4px; border-top:1px solid var(--line); }
.form-section-title { display:flex; align-items:center; gap:9px; margin-bottom:13px; color:var(--navy); font-size:12px; font-weight:900; }
.section-dot { width:8px; height:8px; border-radius:50%; background:var(--blue); box-shadow:0 0 0 5px var(--soft-blue); }
.field-grid { display:grid; grid-template-columns:1fr 1fr; gap:15px; }
label { display:block; margin:14px 0 7px; font-size:12px; font-weight:800; }
.field-grid label { margin-top:0; }
input,textarea,select { width:100%; border:1px solid var(--line); border-radius:var(--radius-sm); background:rgba(255,255,255,.88); padding:12px 13px; color:var(--navy); transition:border-color .2s ease,box-shadow .2s ease,background .2s ease; }
textarea { min-height:126px; resize:vertical; }
input::placeholder,textarea::placeholder { color:#9aa8b9; }
input:focus,textarea:focus,select:focus { outline:none; border-color:var(--blue); background:#fff; box-shadow:0 0 0 4px rgba(36,87,255,.1); }
input[type="file"] { padding:9px; border-style:dashed; background:#f4f8ff; cursor:pointer; }
input[type="file"]::file-selector-button { margin-right:10px; border:0; border-radius:8px; padding:8px 12px; background:var(--soft-blue); color:var(--blue-deep); font-weight:800; cursor:pointer; }
.help { color:var(--muted); font-size:11px; margin-top:6px; }
.file-feedback { min-height:18px; margin-top:6px; color:var(--blue-deep); font-size:11px; font-weight:700; }
.privacy-note { display:flex; align-items:center; gap:8px; margin-top:15px; color:var(--muted); font-size:11px; }
.privacy-note::before { content:""; width:8px; height:8px; border-radius:50% 50% 3px 3px; border:2px solid var(--success); }
.button { position:relative; display:inline-flex; align-items:center; justify-content:center; gap:9px; min-height:46px; border:0; border-radius:12px; padding:12px 19px; overflow:hidden; background:var(--blue); color:#fff; text-decoration:none; font-weight:900; cursor:pointer; box-shadow:0 10px 28px rgba(36,87,255,.24); transition:transform .2s ease,box-shadow .2s ease,background .2s ease; }
.button::after { content:""; position:absolute; top:-120%; left:-30%; width:28%; height:340%; background:rgba(255,255,255,.2); transform:rotate(24deg); transition:left .55s ease; }
.button:hover { transform:translateY(-2px); background:var(--blue-deep); box-shadow:0 16px 32px rgba(36,87,255,.3); }
.button:hover::after { left:115%; }
.button:active { transform:translateY(0) scale(.985); }
.button.secondary { background:var(--navy); box-shadow:0 10px 25px rgba(16,35,63,.18); }
.button.ghost { color:var(--navy); background:rgba(255,255,255,.5); border:1px solid var(--line); box-shadow:none; }
.button.loading { pointer-events:none; opacity:.8; }
.button.loading::before { content:""; width:15px; height:15px; border:2px solid rgba(255,255,255,.45); border-top-color:#fff; border-radius:50%; animation:spin .7s linear infinite; }
.wide { width:100%; margin-top:20px; }
.flash,.notice { padding:14px 15px; border-radius:12px; margin-bottom:18px; }
.flash { color:#9a321f; background:#fff0ed; border:1px solid #ffd1c9; }
.notice { color:#075f57; background:#e8f8f5; border:1px solid #c4ede7; }
.page { padding:48px 0 82px; }
.page-head { display:flex; justify-content:space-between; align-items:end; gap:20px; margin-bottom:26px; }
.page-kicker { display:flex; gap:8px; align-items:center; margin-bottom:10px; color:var(--blue); font-size:12px; font-weight:800; }
.page-kicker::before { content:""; width:20px; height:2px; background:currentColor; }
.page h1 { font-size:clamp(38px,5vw,64px); }
.meta-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin:24px 0; }
.meta { padding:14px; background:#f2f6fb; border-radius:12px; font-weight:750; }
.meta span { display:block; margin-bottom:3px; color:var(--muted); font-size:10px; font-weight:700; }
.status { display:inline-flex; align-items:center; gap:7px; border:1px solid #b9e9e2; border-radius:999px; padding:6px 11px; background:#e8f8f5; color:var(--success); font-size:11px; font-weight:900; }
.status::before { content:""; width:6px; height:6px; border-radius:50%; background:currentColor; box-shadow:0 0 0 3px rgba(8,123,113,.1); }
.status-track { display:grid; grid-template-columns:repeat(4,1fr); margin:26px 0 30px; }
.track-step { position:relative; padding:20px 8px 0 0; border-top:2px solid var(--line); color:#9aa8b9; font-size:11px; }
.track-step::before { content:""; position:absolute; top:-6px; left:0; width:9px; height:9px; border-radius:50%; background:var(--paper); border:2px solid var(--line); }
.track-step.done { border-color:var(--blue); color:var(--navy); font-weight:800; }
.track-step.done::before { border-color:var(--blue); background:var(--blue); box-shadow:0 0 0 5px var(--soft-blue); }
.files { display:grid; gap:8px; padding:0; list-style:none; }
.files a { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:13px 14px; border:1px solid var(--line); border-radius:11px; background:#fff; text-decoration:none; transition:transform .18s ease,border-color .18s ease; }
.files a::before { content:"↓"; display:grid; place-items:center; flex:0 0 auto; width:28px; height:28px; border-radius:9px; background:var(--soft-blue); color:var(--blue); font-weight:900; }
.files a span { margin-right:auto; color:var(--navy); }
.files a small { color:var(--muted); }
.files a:hover { transform:translateX(3px); border-color:#abc0df; }
.copybox { display:grid; grid-template-columns:1fr auto; gap:8px; margin-top:14px; }
.copybox input { min-width:0; }
.copybox button { white-space:nowrap; }
.table-wrap { overflow:auto; border:1px solid var(--line); border-radius:16px; }
table { width:100%; border-collapse:collapse; background:#fff; }
th,td { text-align:left; border-bottom:1px solid #e8edf3; padding:15px 16px; vertical-align:middle; }
th { background:#f5f8fc; color:var(--muted); font-size:10px; letter-spacing:.04em; }
td a { color:var(--navy); text-decoration:none; }
tbody tr { transition:background .18s ease; }
tbody tr:hover { background:#f8faff; }
tr:last-child td { border-bottom:0; }
.actions { display:flex; gap:8px; flex-wrap:wrap; margin-top:19px; }
.split { display:grid; grid-template-columns:minmax(0,1.15fr) minmax(330px,.85fr); gap:20px; align-items:start; }
.sticky-stack { position:sticky; top:24px; }
.prose { white-space:pre-wrap; background:#f5f8fc; border-left:3px solid var(--blue); border-radius:0 12px 12px 0; padding:17px 18px; }
.admin-card { border-top:5px solid var(--blue); }
.login-card { max-width:520px; margin:34px auto 0; border-top:5px solid var(--blue); }
.success-card { max-width:840px; margin:20px auto 0; overflow:hidden; }
.success-card::after { content:""; position:absolute; width:180px; height:180px; right:-70px; top:-80px; border-radius:50%; border:28px solid rgba(102,223,245,.22); }
.card h3 { margin:28px 0 10px; font-size:14px; }
.empty-state { padding:50px 20px; color:var(--muted); text-align:center; }
.footer { display:flex; justify-content:space-between; gap:24px; padding:26px 0 36px; border-top:1px solid rgba(16,35,63,.11); color:var(--muted); font-size:11px; }
@keyframes chip-float { 0%,100% { transform:translate3d(0,0,0) rotate(-2deg); } 50% { transform:translate3d(0,-10px,0) rotate(2deg); } }
@keyframes board-in { from { opacity:0; transform:translateY(24px) rotate(.7deg); } to { opacity:1; transform:translateY(0) rotate(0); } }
@keyframes copy-pop { 50% { transform:scale(.94); } }
@keyframes spin { to { transform:rotate(360deg); } }
.copied { animation:copy-pop .28s ease; }
:focus-visible { outline:3px solid rgba(36,87,255,.32); outline-offset:3px; }
@media (max-width:980px) {
  .hero { grid-template-columns:1fr; gap:48px; }
  .hero-copy { position:static; padding-top:14px; }
  .hero h1 { max-width:10em; }
  .chip-a { right:-8px; } .chip-b { left:-8px; }
}
@media (max-width:700px) {
  .shell { width:min(100% - 24px,620px); }
  .topbar { grid-template-columns:1fr auto; min-height:70px; }
  .top-tag { display:none; }
  .nav a:first-child { display:none; }
  .hero { padding:30px 0 62px; }
  h1,.page h1 { font-size:clamp(39px,13vw,56px); }
  .hero .lead { font-size:15px; }
  .process-line { gap:6px; }
  .process-item { font-size:10px; }
  .process-item b { font-size:12px; }
  .brief-board::before,.brief-board::after,.tool-chip { display:none; }
  .card { padding:23px 19px; border-radius:22px; }
  .field-grid,.split { grid-template-columns:1fr; }
  .board-head { align-items:center; }
  .page { padding-top:32px; }
  .page-head { align-items:start; flex-direction:column; }
  .meta-grid { grid-template-columns:1fr; }
  .status-track { grid-template-columns:1fr; margin-left:6px; }
  .track-step { padding:0 0 22px 22px; border-top:0; border-left:2px solid var(--line); }
  .track-step::before { top:0; left:-6px; }
  .track-step.done { border-color:var(--blue); }
  .copybox { grid-template-columns:1fr; }
  .sticky-stack { position:static; }
  table,thead,tbody,tr,th,td { display:block; }
  thead { display:none; }
  tr { border-bottom:1px solid var(--line); padding:11px; }
  td { border:0; padding:6px; }
  .footer { flex-direction:column; }
}
@media (prefers-reduced-motion:reduce) {
  *,*::before,*::after { animation-duration:.01ms !important; animation-iteration-count:1 !important; scroll-behavior:auto !important; transition-duration:.01ms !important; }
}