:root{
  --paper:#f3f5f8;
  --sheet:#fbfcfd;
  --ink:#1b2a41;
  --mute:#5c6b7a;
  --line:#d5dde6;
  --navy:#243b55;
  --steel:#4a6fa5;
  --seal:#b8932e;
  --font:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  --display:"Cambria","Georgia","Songti SC","Microsoft YaHei",serif;
  --mono:"Consolas","Cascadia Mono","Sarasa Mono SC",monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);font-family:var(--font);line-height:1.65;
  background:
    linear-gradient(90deg,rgba(36,59,85,.03) 1px,transparent 1px),
    linear-gradient(180deg,#eef2f6 0%,var(--paper) 40%,#e8eef4 100%);
  background-size:48px 48px,auto;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{width:min(1120px,92%);margin:0 auto}

.law-top{
  position:sticky;top:0;z-index:40;background:rgba(251,252,253,.94);
  backdrop-filter:blur(12px);border-bottom:1px solid var(--line);
}
.law-inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem 0}
.brand{display:flex;align-items:center;gap:.7rem}
.brand-seal{
  width:2.2rem;height:2.2rem;border-radius:50%;display:grid;place-items:center;
  border:2px solid var(--seal);color:var(--seal);font-family:var(--display);font-weight:700;font-size:.85rem;
}
.brand b{display:block;font-family:var(--display);font-size:1.12rem;font-weight:700}
.brand small{display:block;font-family:var(--mono);font-size:.62rem;color:var(--mute);letter-spacing:.12em}
.nav{display:flex;flex-wrap:wrap;gap:.3rem 1rem;color:var(--mute);font-size:.9rem}
.nav a:hover,.nav a.on{color:var(--steel)}
.nav-cta{
  padding:.42rem .95rem;background:var(--navy);color:#fff;
  font-size:.86rem;font-weight:600;white-space:nowrap;
}
.clause-bar{
  display:flex;flex-wrap:wrap;justify-content:center;gap:.4rem;padding:.45rem .8rem;
  border-top:1px solid var(--line);font-family:var(--mono);font-size:.7rem;color:var(--mute);
}
.clause-bar span{padding:.12rem .45rem;border:1px solid var(--line);background:#fff}

.line-band{height:36px;overflow:hidden;line-height:0}
.line-band svg{width:100%;height:36px;display:block}
.draw-line{
  fill:none;stroke:var(--steel);stroke-width:1.4;stroke-dasharray:10 8;
  animation:drawFlow 2.6s linear infinite;opacity:.55;
}
.draw-line-2{
  fill:none;stroke:rgba(184,147,46,.55);stroke-width:1.1;stroke-dasharray:4 10;
  animation:drawFlow 3.4s linear infinite reverse;opacity:.4;
}
@keyframes drawFlow{to{stroke-dashoffset:-120}}
@media (prefers-reduced-motion:reduce){
  .draw-line,.draw-line-2{animation:none}
}

.hero-law{padding:2.4rem 0 2rem}
.hero-law .hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:1.7rem;align-items:center;
}
.contract-panel{
  background:var(--sheet);border:1px solid var(--line);padding:1.5rem 1.4rem;
  box-shadow:0 16px 36px rgba(27,42,65,.06);position:relative;
}
.contract-panel::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--navy);
}
.tag{
  display:inline-block;margin:0 0 .7rem;padding:.18rem .5rem;
  border:1px solid rgba(74,111,165,.35);color:var(--steel);
  font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;
}
.hero-law h1{
  margin:0 0 .65rem;font-family:var(--display);font-size:clamp(1.9rem,3.9vw,2.75rem);
  line-height:1.18;font-weight:700;color:var(--navy);
  background:linear-gradient(currentColor,currentColor) left bottom / 0 2px no-repeat;
  animation:underlineGrow 1.2s ease forwards .2s;
}
@keyframes underlineGrow{to{background-size:100% 2px}}
@media (prefers-reduced-motion:reduce){
  .hero-law h1{animation:none;background-size:100% 2px}
}
.lead{margin:0 0 1.15rem;color:var(--mute);max-width:34rem;font-size:1.02rem}
.actions{display:flex;flex-wrap:wrap;gap:.65rem;margin-bottom:1rem}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:9.3rem;padding:.72rem 1.15rem;
  font-family:var(--display);font-size:.95rem;
  border:1px solid transparent;cursor:pointer;
  white-space:nowrap;word-break:keep-all;writing-mode:horizontal-tb;
}
.btn-fill{background:var(--navy);color:#fff;border-color:#1a2f45;font-weight:700}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-steel{background:var(--steel);color:#fff;border-color:#3b5d8c;font-weight:700}
.btn:hover{filter:brightness(1.05)}
.req{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
.req p{
  margin:0;padding:.7rem .75rem;background:#fff;border:1px solid var(--line);
  border-top:2px solid var(--steel);font-size:.84rem;color:var(--mute);font-family:var(--mono);
}
.req b{display:block;color:var(--ink);margin-bottom:.12rem;font-family:var(--display);font-size:.9rem}
.hero-media{align-self:center}
.frame-law{
  align-self:center;margin:0;padding:0;overflow:visible;
  border:1px solid var(--line);background:#fff;
  box-shadow:8px 8px 0 rgba(36,59,85,.08);
}
.hero-media img{
  display:block;width:100%;height:auto;object-fit:contain;object-position:center;
  margin:0;padding:0;min-height:0;max-height:none;clip-path:none;transform:none;
}

.sec{padding:2.7rem 0}
.sec-h{margin-bottom:1.3rem;max-width:40rem}
.sec-h .k{margin:0 0 .3rem;font-family:var(--mono);font-size:.7rem;color:var(--steel);letter-spacing:.14em}
.sec-h h2{margin:0 0 .4rem;font-family:var(--display);font-size:clamp(1.35rem,2.4vw,1.9rem);color:var(--navy)}
.sec-h p{margin:0;color:var(--mute)}

.dl-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem}
.dl-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  padding:1.1rem 1rem;position:relative;
}
.dl-card .clause{
  position:absolute;top:.7rem;right:.7rem;font-family:var(--mono);font-size:.65rem;color:var(--seal);
}
.dl-card .os{margin:0 0 .5rem;font-family:var(--display);font-size:1.08rem;color:var(--navy)}
.dl-card .row{margin:0 0 .18rem;font-size:.86rem;color:var(--mute)}
.dl-card .row b{color:var(--ink);font-family:var(--mono)}
.dl-card .btn{margin-top:auto;width:100%;margin-top:.95rem}

.feat-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.65rem}
.feat{
  background:#fff;border:1px solid var(--line);padding:1rem .85rem;
  border-top:3px solid var(--navy);
}
.feat:nth-child(2){border-top-color:var(--steel)}
.feat:nth-child(3){border-top-color:var(--seal)}
.feat .ic{
  width:2rem;height:2rem;margin-bottom:.55rem;display:grid;place-items:center;
  border:1px solid var(--line);font-family:var(--mono);font-size:.7rem;font-weight:700;color:var(--steel);
}
.feat h3{margin:0 0 .3rem;font-family:var(--display);font-size:1rem;color:var(--navy)}
.feat p{margin:0;font-size:.86rem;color:var(--mute)}

.sol-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:1.1rem;align-items:start}
.sol-copy{
  background:#fff;border:1px solid var(--line);padding:1.35rem 1.25rem;
  box-shadow:0 12px 28px rgba(27,42,65,.05);
}
.sol-copy h2{margin:0 0 .6rem;font-family:var(--display);font-size:1.4rem;color:var(--navy)}
.sol-copy p{margin:0 0 .75rem;color:var(--mute)}
.articles{list-style:none;margin:1rem 0 0;padding:0;display:grid;gap:.4rem}
.articles li{
  padding:.55rem .7rem;border-left:3px solid var(--steel);background:var(--paper);
  font-size:.88rem;color:var(--mute);font-family:var(--mono);
}
.articles strong{color:var(--navy);font-family:var(--display)}
.shots{display:grid;grid-template-columns:1fr 1fr;gap:.6rem}
.shots figure{margin:0;border:1px solid var(--line);background:#fff;padding:.28rem}
.shots img{width:100%;height:auto;object-fit:contain;object-position:center}

.trust{padding:2rem 0;text-align:center}
.trust-card{
  display:inline-block;padding:1.5rem 1.3rem;background:#fff;border:1px solid var(--line);
  min-width:min(100%,40rem);box-shadow:0 12px 28px rgba(27,42,65,.05);
}
.trust strong{display:block;font-family:var(--display);font-size:clamp(1.75rem,3.2vw,2.45rem);color:var(--navy);margin-bottom:.25rem}
.trust .sub{color:var(--mute);margin-bottom:1rem}
.brands{display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem}
.brands span{
  padding:.4rem .85rem;border:1px solid var(--line);font-size:.88rem;font-family:var(--display);
}

.split{display:grid;grid-template-columns:1.1fr .9fr;gap:1rem}
.panel{
  background:#fff;border:1px solid var(--line);padding:1.15rem 1.1rem;
  box-shadow:0 8px 22px rgba(27,42,65,.04);
}
.panel h2{margin:0 0 .9rem;font-family:var(--display);font-size:1.22rem;color:var(--navy)}
.news{list-style:none;margin:0;padding:0;display:grid;gap:.7rem}
.news li{padding-bottom:.7rem;border-bottom:1px dashed var(--line)}
.news time{display:block;font-family:var(--mono);font-size:.72rem;color:var(--steel);margin-bottom:.2rem}
.news a{font-weight:650}.news a:hover{color:var(--steel)}
.news p{margin:.25rem 0 0;font-size:.86rem;color:var(--mute)}
.faq details{border-bottom:1px solid var(--line);padding:.55rem 0}
.faq summary{cursor:pointer;font-weight:650;list-style:none;font-family:var(--display)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"§ ";color:var(--seal)}
.faq p{margin:.4rem 0 0;color:var(--mute);font-size:.9rem}
.thumbs{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.5rem;margin-top:1rem}
.thumbs figure{margin:0;border:1px solid var(--line);background:var(--paper);padding:.25rem}
.thumbs img{width:100%;height:auto;object-fit:contain}

.cta-law{padding:2.5rem 0 3.1rem}
.cta-box{
  text-align:center;max-width:42rem;margin:0 auto;padding:2rem 1.4rem;
  background:#fff;border:1px solid var(--line);box-shadow:0 0 0 4px rgba(74,111,165,.08);
}
.cta-box h2{margin:0 0 .55rem;font-family:var(--display);font-size:clamp(1.35rem,2.6vw,1.95rem);color:var(--navy)}
.cta-box > p{margin:0 0 1.1rem;color:var(--mute)}
.gains{list-style:none;margin:1rem 0 0;padding:0;display:flex;flex-wrap:wrap;justify-content:center;gap:.45rem}
.gains li{
  padding:.35rem .7rem;border:1px solid var(--line);font-family:var(--mono);font-size:.78rem;color:var(--mute);
}

.foot{padding:1.3rem 0 1.7rem;color:var(--mute);font-size:.86rem;border-top:1px solid var(--line)}
.foot-row{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.7rem;align-items:center}
.foot-links{display:flex;gap:1rem}
.foot-links a:hover{color:var(--steel)}

@media (max-width:960px){
  .hero-law .hero-grid,.sol-grid,.split,.dl-grid{grid-template-columns:1fr 1fr}
  .feat-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .hero-law .hero-grid,.sol-grid,.split,.dl-grid,.feat-grid,.shots,.thumbs,.req{grid-template-columns:1fr}
  .nav{display:none}
  .actions .btn{flex:1 1 100%}
}

.hero-law .hero-grid{align-items:center}
.hero-law .hero-media{align-self:center;margin:0;padding:0}
.hero-law .frame-law{align-self:center;margin:0;padding:0;overflow:visible}
.hero-law .hero-media img{
  display:block;width:100%;height:auto;object-fit:contain;object-position:center;
  margin:0;padding:0;min-height:0;max-height:none;clip-path:none;transform:none;
}