:root{
  --paper:#fbf7ed;
  --paper-2:#f4ead8;
  --surface:#fffdf6;
  --surface-2:#fff7df;
  --ink:#171512;
  --muted:#6a6156;
  --line:#eadfca;
  --gold:#b8943a;
  --deep:#26382f;
  --moss:#466657;
  --rose:#8f5547;
  --shadow:0 22px 60px rgba(38,56,47,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:radial-gradient(760px 420px at 8% -8%,rgba(216,177,111,.28),transparent 58%),radial-gradient(720px 430px at 100% 0%,rgba(143,85,71,.12),transparent 58%),linear-gradient(180deg,#fffaf0 0%,var(--paper) 58%,var(--paper-2) 100%);color:var(--ink);font-family:'Noto Sans SC','Noto Sans CJK SC','Source Han Sans SC','PingFang SC','Microsoft YaHei','Hiragino Sans GB',Georgia,serif;line-height:1.72}
a{color:inherit}.wrap{width:min(1120px,calc(100% - 34px));margin:0 auto}.gk-header{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0 18px;border-bottom:1px solid rgba(23,21,18,.12)}.gk-brand{display:flex;align-items:center;gap:12px;text-decoration:none}.gk-mark{width:42px;height:42px;border-radius:15px;overflow:hidden;background:#fff;border:1px solid rgba(184,148,58,.28);box-shadow:0 10px 26px rgba(23,21,18,.08)}.gk-mark img{width:100%;height:100%;object-fit:cover;display:block}.gk-name{display:block;font-weight:900}.gk-tag{display:block;color:var(--muted);font-size:12px}.gk-nav{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}.gk-nav a{min-height:38px;display:inline-flex;align-items:center;padding:8px 12px;border:1px solid rgba(23,21,18,.12);border-radius:999px;text-decoration:none;font-size:13px;background:rgba(255,250,240,.74)}.gk-nav a.active{background:rgba(184,148,58,.16);border-color:rgba(184,148,58,.48);font-weight:850}.route-note{margin:14px 0 6px;padding:12px 14px;border:1px solid rgba(184,148,58,.24);border-radius:18px;background:rgba(255,250,240,.72);color:var(--muted);font-size:14px;line-height:1.6}.hero{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(270px,.78fr);gap:34px;align-items:center;padding:56px 0 28px}.eyebrow,.section-kicker{display:inline-flex;width:max-content;align-items:center;gap:8px;margin-bottom:12px;color:var(--rose);font-size:13px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}.eyebrow:before,.section-kicker:before{content:"";width:28px;height:1px;background:var(--gold)}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(42px,6vw,76px);line-height:.99;letter-spacing:-.045em;margin-bottom:20px;max-width:760px}h2{font-size:clamp(27px,3.3vw,44px);line-height:1.07;letter-spacing:-.03em;margin-bottom:12px}h3{font-size:22px;line-height:1.18;margin-bottom:8px}.lead{font-size:clamp(18px,2.1vw,23px);color:#3f372f;max-width:710px}.muted,.mini,.fine{color:var(--muted)}.mini,.fine{font-size:15px}.btn-row,.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:20px}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:11px 17px;border-radius:999px;border:1px solid rgba(23,21,18,.14);text-decoration:none;background:rgba(255,250,240,.88);font-weight:850;box-shadow:0 8px 22px rgba(23,21,18,.05)}.btn.primary{background:var(--deep);border-color:var(--deep);color:#fff;box-shadow:0 16px 38px rgba(38,56,47,.22)}.btn.soft{background:rgba(184,148,58,.12);border-color:rgba(184,148,58,.35)}.text-link{font-weight:850;color:var(--deep);text-decoration:none;border-bottom:1px solid rgba(38,56,47,.28)}.hero-card{position:relative;border:1px solid rgba(23,21,18,.12);border-radius:30px;padding:16px;background:linear-gradient(145deg,rgba(255,250,240,.92),rgba(244,232,206,.92));box-shadow:var(--shadow)}.hero-card img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:23px;border:1px solid rgba(255,255,255,.7);display:block}.note-chip{position:absolute;left:28px;right:28px;bottom:28px;padding:14px 16px;border-radius:20px;background:rgba(255,250,240,.9);backdrop-filter:blur(10px);border:1px solid rgba(23,21,18,.1);box-shadow:0 18px 45px rgba(23,21,18,.12);font-weight:850}.trust-line{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.trust-line span{border:1px solid rgba(49,88,74,.18);border-radius:999px;background:rgba(255,255,255,.62);padding:7px 10px;color:var(--deep);font-size:13px;font-weight:850}.band,.panel{margin:26px 0;padding:28px;border:1px solid rgba(23,21,18,.12);border-radius:30px;background:rgba(255,250,240,.78);box-shadow:var(--shadow)}.band.tight{padding:22px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card{padding:20px;border-radius:22px;border:1px solid rgba(23,21,18,.1);background:#fffdf6}.card strong,.num{color:var(--gold);font-size:13px;letter-spacing:.12em;text-transform:uppercase}.num{display:block;margin-bottom:8px}.dark{background:linear-gradient(145deg,rgba(38,56,47,.96),rgba(58,72,61,.93));color:#fff}.dark .muted,.dark .mini{color:rgba(255,255,255,.76)}.dark .text-link{color:#fff;border-bottom-color:rgba(255,255,255,.52)}.keyword-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.keyword-row span{border:1px solid rgba(49,88,74,.18);border-radius:999px;background:rgba(255,255,255,.68);padding:7px 10px;font-size:13px;font-weight:850;color:var(--deep)}.dark .keyword-row span{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.24)}.method-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}.method-list a{display:block;padding:14px 15px;border-radius:18px;border:1px solid rgba(23,21,18,.1);background:rgba(255,255,255,.58);text-decoration:none}.theme-top{padding:46px 0 22px}.theme-top h1{font-size:clamp(38px,6vw,66px)}.theme-faq details{border:1px solid rgba(23,21,18,.1);border-radius:18px;background:#fffdf6;padding:15px 16px}.theme-faq details+details{margin-top:10px}.theme-faq summary{cursor:pointer;font-weight:850}.footer{color:#5b5248;font-size:14px;border-top:1px solid rgba(23,21,18,.12);padding:30px 0 104px;margin-top:36px}.footer a{color:inherit}.mobile-sticky{position:fixed;left:14px;right:14px;bottom:14px;z-index:20;display:none;gap:10px;padding:10px;border-radius:24px;background:rgba(255,250,240,.92);backdrop-filter:blur(14px);border:1px solid rgba(23,21,18,.12);box-shadow:0 18px 44px rgba(23,21,18,.18)}.mobile-sticky .btn{flex:1;padding:10px 12px;min-height:42px;font-size:14px}@media(max-width:900px){.hero,.grid-2{grid-template-columns:1fr}.grid-3,.grid-4,.method-list{grid-template-columns:1fr 1fr}.gk-header{align-items:flex-start;flex-direction:column}.gk-nav{justify-content:flex-start;flex-wrap:nowrap;max-width:100%;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}.gk-nav::-webkit-scrollbar{display:none}.gk-nav a{white-space:nowrap;flex:0 0 auto}.hero-card{max-width:430px}.mobile-sticky{display:flex}}@media(max-width:560px){body{padding-bottom:88px}.wrap{width:min(100% - 24px,1120px)}h1{font-size:41px}.band,.panel{padding:21px}.grid-3,.grid-4,.method-list{grid-template-columns:1fr}.btn-row,.cta-row{flex-direction:column}.btn{width:100%}.hero{padding-top:34px}.note-chip{left:24px;right:24px;bottom:24px}.mobile-sticky .btn:not(:first-child){display:none}}