/* SUMO777 — 土俵圆环 hero + Banzuke 番付阶梯. 土俵棕 #241710 × 力士陶橙 #FF9A76 */
:root{
  --bg:#241710;--panel:#2F1E15;--panel2:#3A2418;--text:#F5E9DD;--muted:#C7A88E;
  --gold:#FF9A76;--gold-soft:#7A4A33;--ink:#150B06;
  --glow:0 0 12px rgba(255,154,118,.4),0 0 26px rgba(255,154,118,.2);
  --grad-panel:linear-gradient(150deg,#3A2418 0%,#241710 100%);
  --font-h:'Contrail One',cursive;--font-b:'Monda',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font-family:var(--font-b);line-height:1.7;font-size:16px}
img,svg{max-width:100%;vertical-align:middle}
a{color:var(--gold);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:100%;max-width:1160px;margin:0 auto;padding:0 16px}
.container.narrow{max-width:840px}
.center{text-align:center}
.site-header{position:sticky;top:0;z-index:50;background:rgba(36,23,16,.92);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,154,118,.35)}
.header-in{display:flex;align-items:center;gap:14px;min-height:60px}
.brand{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-h);font-weight:400;font-size:1.1rem;color:var(--text);white-space:nowrap;letter-spacing:.03em}
.brand:hover{text-decoration:none}
.nav-desktop{display:none;margin-left:auto;gap:18px}
.nav-desktop a{color:var(--muted);font-weight:700;font-size:.95rem}
.nav-desktop a:hover{color:var(--gold);text-decoration:none}
.header-cta{display:flex;gap:8px;margin-left:auto}
.nav-desktop+.header-cta{margin-left:0}
.btn{display:inline-block;padding:10px 20px;border-radius:10px;font-family:var(--font-b);font-weight:700;font-size:.9rem;cursor:pointer;border:1px solid transparent;transition:transform .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg,#FF9A76,#D96C48);color:#241710;box-shadow:var(--glow)}
.btn-secondary{background:transparent;color:var(--gold);border-color:rgba(255,154,118,.55)}
.btn-block{display:block;width:100%;text-align:center}
.pulse{animation:pulse-glow 2s infinite}
@keyframes pulse-glow{0%,100%{box-shadow:0 0 8px rgba(255,154,118,.4)}50%{box-shadow:0 0 22px rgba(255,154,118,.8)}}
.nav-toggle{display:none}
.burger{display:flex;flex-direction:column;gap:4px;cursor:pointer;padding:6px;margin-left:4px}
.burger span{width:22px;height:2px;background:var(--gold);border-radius:2px}
.m-nav{display:none;background:var(--panel);border-bottom:1px solid rgba(255,154,118,.3)}
.m-nav-group{padding:10px 16px}
.m-nav-group h3{font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);margin-bottom:6px;font-weight:700}
.m-nav-group a{display:block;padding:6px 0;color:var(--text)}
.nav-toggle:checked~.m-nav{display:block}
/* ===== 土俵圆环 hero（dohyo ring + tsuna 注纲） ===== */
.dohyo-hero{padding:44px 0 6px;background:radial-gradient(60% 70% at 50% 0%,rgba(255,154,118,.13) 0%,rgba(36,23,16,0) 70%)}
.dohyo-head{text-align:center}
.dohyo-head h1{font-family:var(--font-h);font-weight:400;font-size:clamp(2.1rem,6.5vw,3.6rem);letter-spacing:.04em;text-shadow:0 2px 0 #7A4A33,0 0 26px rgba(255,154,118,.45)}
.hero-sub{max-width:640px;margin:12px auto 20px;color:var(--muted)}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.stage{position:relative;height:310px;max-width:640px;margin:26px auto 0;overflow:hidden}
.hero-glow{position:absolute;left:10%;right:10%;top:0;bottom:28%;background:radial-gradient(52% 60% at 50% 55%,rgba(255,154,118,.36) 0%,rgba(255,154,118,.1) 55%,rgba(36,23,16,0) 100%);animation:glow-breathe 5s ease-in-out infinite;z-index:0}
.tsuna{position:absolute;left:50%;top:26px;width:440px;height:168px;margin-left:-220px;border-radius:50%;border:15px solid rgba(255,154,118,0);border-top-color:#E9C9A5;box-shadow:inset 0 4px 0 rgba(117,66,44,.5);z-index:1}
.tsuna::after{content:"";position:absolute;left:12px;right:12px;top:-19px;height:8px;border-radius:50%;border:2px solid rgba(117,66,44,.65);border-bottom-color:transparent}
.shide{position:absolute;width:12px;height:27px;background:#F5E9DD;clip-path:polygon(0 0,100% 0,100% 62%,74% 76%,100% 82%,50% 100%,0 82%,26% 76%,0 62%);transform-origin:top center;animation:shide-sway 3.6s ease-in-out infinite alternate;filter:drop-shadow(0 2px 3px rgba(21,11,6,.5))}
.shide.s1{left:16%;top:46px}
.shide.s2{left:31%;top:76px;animation-delay:.5s}
.shide.s3{left:49%;top:86px;animation-delay:1s}
.shide.s4{left:67%;top:76px;animation-delay:1.5s}
.shide.s5{left:82%;top:46px;animation-delay:2s}
.dohyo{position:absolute;left:50%;bottom:36px;width:400px;height:152px;margin-left:-200px;border-radius:50%;background:radial-gradient(58% 84% at 50% 26%,#5A3620 0%,#42281A 58%,#2E1B10 100%);box-shadow:0 18px 34px rgba(0,0,0,.5),inset 0 -6px 14px rgba(21,11,6,.4);z-index:2}
.ring-line{position:absolute;left:13%;right:13%;top:20%;bottom:20%;border-radius:50%;border:4px solid #C7A88E;box-shadow:0 0 0 1px rgba(21,11,6,.45),inset 0 0 16px rgba(255,154,118,.12)}
.salt{position:absolute;width:4px;height:4px;border-radius:50%;background:#F5E9DD;opacity:.7}
.salt.a1{left:30%;top:38%}
.salt.a2{left:64%;top:30%}
.salt.a3{left:52%;top:58%}
.dohyo-base{position:absolute;left:50%;bottom:8px;width:462px;height:58px;margin-left:-231px;background:linear-gradient(180deg,#3A2315 0%,#241710 92%);clip-path:polygon(7% 0,93% 0,100% 100%,0 100%);z-index:1}
@keyframes glow-breathe{0%,100%{opacity:1}50%{opacity:.62}}
@keyframes shide-sway{from{transform:rotate(-6deg)}to{transform:rotate(6deg)}}
.stage-chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:16px 0 4px}
.chip{font-size:.78rem;letter-spacing:.06em;color:var(--gold);border:1px solid rgba(255,154,118,.4);border-radius:99px;padding:3px 14px;background:rgba(36,23,16,.6)}
.chip-warm{color:#FFE3D2;border-color:#7A4A33}
.section{padding:38px 0}
.section-alt{background:rgba(47,30,21,.55)}
.sec-title{font-family:var(--font-h);font-weight:400;font-size:1.5rem;margin-bottom:18px;text-align:center}
.sec-sub{color:var(--muted);text-align:center;max-width:640px;margin:-8px auto 18px;font-size:.92rem}
.grid-2,.grid-3,.grid-4{display:grid;gap:16px;grid-template-columns:1fr;margin-bottom:8px}
.glow-card{display:block;background:var(--grad-panel);border:1px solid rgba(255,154,118,.35);border-radius:14px;padding:18px;color:var(--text);transition:border-color .15s,box-shadow .15s}
.glow-card:hover{border-color:var(--gold);box-shadow:var(--glow);text-decoration:none}
.glow-card h3{font-size:1.05rem;margin-bottom:6px;color:var(--gold)}
.glow-card p{color:var(--muted);font-size:.92rem}
.nc-icon{font-size:1.5rem;display:block;margin-bottom:8px}
/* ===== Banzuke 番付阶梯（等级横木梯） ===== */
.banzuke{display:flex;flex-direction:column;align-items:center;gap:10px;margin:22px 0 8px}
.bz-rung{display:flex;align-items:center;gap:14px;width:100%;max-width:640px;padding:12px 18px;border-radius:12px;background:linear-gradient(180deg,#4A2E1E 0%,#332014 100%);border:1px solid rgba(255,154,118,.28);box-shadow:0 3px 0 #1B0F08}
.bz-y{width:100%;border-color:rgba(255,154,118,.75);box-shadow:0 3px 0 #1B0F08,0 0 18px rgba(255,154,118,.35)}
.bz-o{width:92%}
.bz-s{width:84%}
.bz-k{width:76%}
.bz-m{width:68%}
.bz-rank{font-family:var(--font-h);font-weight:400;font-size:1.05rem;color:var(--gold);min-width:112px;letter-spacing:.03em}
.bz-y .bz-rank{color:#FFD9C4;text-shadow:0 0 12px rgba(255,154,118,.6)}
.bz-desc{color:var(--muted);font-size:.88rem;line-height:1.55}
.bz-foot{color:var(--muted);font-size:.85rem;text-align:center;max-width:680px;margin:10px auto 0}
/* ===== 通用区块 ===== */
.trust-zone p{max-width:640px;margin:10px auto;color:var(--muted)}
.trust-zone .pill-18{margin:6px 0 12px}
.flow{margin:16px 0;padding:20px;display:block}
.flow>*{border-radius:10px;padding:11px 14px;margin-bottom:9px;font-size:.95rem;background:rgba(36,23,16,.55);border:1px solid rgba(255,154,118,.35)}
.flow-step strong{color:var(--gold)}
.flow-end{border:1px dashed rgba(255,154,118,.5);color:var(--muted)}
.prose .note{color:var(--muted);font-size:.9rem}
.page-head{padding-top:22px}
.page-head h1,.prose h1{font-family:var(--font-h);font-weight:400;font-size:clamp(1.5rem,4.5vw,2.2rem);line-height:1.3}
.prose h2{font-family:var(--font-h);font-weight:400;font-size:1.35rem;margin:26px 0 10px;line-height:1.35}
.prose h3{font-size:1.08rem;font-weight:700;margin:20px 0 8px;color:var(--gold)}
.prose p{margin:0 0 14px}
.prose ul,.prose ol{margin:0 0 14px 22px}
.prose li{margin-bottom:6px}
.steps li{margin-bottom:10px}
.steps li strong{color:var(--gold)}
.fig{margin:20px 0}
.fig img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid rgba(255,154,118,.3)}
.fig figcaption{color:var(--muted);font-size:.82rem;margin-top:8px;text-align:center}
.quick-form{display:grid;gap:8px;max-width:360px;margin:12px 0}
.quick-form label{font-size:.85rem;color:var(--muted)}
.quick-form input{background:#241710;border:1px solid rgba(255,154,118,.4);border-radius:8px;padding:10px 12px;color:var(--text);font-family:var(--font-b)}
.quick-form input:focus{outline:none;border-color:var(--gold)}
.kamus-grid{display:grid;gap:10px;margin:14px 0}
.kamus-item{background:var(--grad-panel);border:1px solid rgba(255,154,118,.3);border-radius:10px;overflow:hidden}
.kamus-item summary{cursor:pointer;padding:13px 16px;font-weight:700;list-style:none;position:relative}
.kamus-item summary::-webkit-details-marker{display:none}
.kamus-item summary::after{content:"+";position:absolute;right:16px;color:var(--gold)}
.kamus-item[open] summary::after{content:"−"}
.kamus-item p{padding:0 16px 14px;color:var(--muted);font-size:.95rem}
.err-wrap{padding:70px 16px}
.err-code{font-family:var(--font-h);font-size:5rem;color:var(--gold);text-shadow:var(--glow)}
.err-wrap .btn{margin:18px 0}
.crumbs{padding:12px 0 0;font-size:.82rem;color:var(--muted)}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"›";margin-right:6px;color:var(--gold)}
.site-footer{background:var(--panel);border-top:1px solid rgba(255,154,118,.35);padding:36px 0 92px;margin-top:30px}
.foot-grid{display:grid;gap:24px;grid-template-columns:1fr}
.foot-brand p{color:var(--muted);font-size:.9rem;margin:10px 0}
.foot-col h3{font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:var(--gold);margin-bottom:8px;font-weight:700}
.foot-col a{display:block;color:var(--muted);padding:3px 0;font-size:.92rem}
.foot-col a:hover{color:var(--gold);text-decoration:none}
.pill-18{display:inline-block;border:1px solid var(--gold);color:var(--gold);border-radius:999px;padding:2px 12px;font-weight:700;font-size:.85rem}
.foot-bottom{margin-top:24px;padding-top:16px;border-top:1px solid rgba(255,154,118,.25);color:var(--muted);font-size:.85rem}
.float-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(36,23,16,.92);backdrop-filter:blur(8px);border-top:1px solid rgba(255,154,118,.4)}
@media (max-width:767px){
  .header-in{gap:8px}
  .brand{font-size:.98rem}
  .brand .logo-mark{width:26px;height:26px}
  .header-cta{gap:6px}
  .header-cta .btn{padding:8px 13px;font-size:.85rem}
  .burger{padding:5px}
  .tsuna{width:330px;height:126px;margin-left:-165px}
  .dohyo{width:300px;height:116px;margin-left:-150px;bottom:30px}
  .dohyo-base{width:346px;height:46px;margin-left:-173px;bottom:6px}
  .bz-rank{min-width:96px;font-size:.95rem}
  .bz-rung{flex-direction:column;align-items:flex-start;gap:4px;padding:10px 14px}
}
@media (min-width:768px){
  .grid-2{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(3,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:2fr 1fr 1.4fr 1fr}
  .nav-desktop{display:flex}
  .header-cta{margin-left:0}
  .burger{display:none}
  .m-nav{display:none!important}
  .float-cta{left:auto;right:18px;bottom:18px;border-radius:12px;border:1px solid rgba(255,154,118,.5)}
  .float-cta .btn-block{width:auto}
}
@media (min-width:1024px){.grid-4{grid-template-columns:repeat(4,1fr)}}
@media (prefers-reduced-motion:reduce){.pulse,.shide,.hero-glow{animation:none}}

/* ===== Float CTA Jackpot v2 (2026-09-13): 底部居中 + 闪烁（自 bagong4d 移植，陶橙配色） ===== */
.float-cta{left:50%;right:auto;transform:translateX(-50%);width:100%;max-width:600px;margin:0;display:block}
.float-inner{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.jackpot-tag{display:inline-flex;align-items:center;gap:6px;font-weight:800;font-size:1rem;letter-spacing:.02em;color:#FFD9A8;text-shadow:0 0 10px rgba(255,217,168,.6)}
.jackpot-blink{animation:jackpot-blink 1.1s ease-in-out infinite}
@keyframes jackpot-blink{0%,100%{opacity:1;text-shadow:0 0 10px rgba(255,217,168,.85),0 0 22px rgba(255,154,118,.45)}50%{opacity:.5;text-shadow:0 0 4px rgba(255,217,168,.3)}}
.masuk-btn{position:relative;overflow:hidden;white-space:nowrap;flex:0 0 auto;font-weight:800;letter-spacing:.02em;animation:masuk-glow 1.4s ease-in-out infinite}
.masuk-btn::after{content:"";position:absolute;top:0;left:-80%;width:55%;height:100%;background:linear-gradient(105deg,rgba(255,255,255,0) 0%,rgba(255,255,255,.55) 50%,rgba(255,255,255,0) 100%);transform:skewX(-20deg);animation:masuk-shine 1.8s linear infinite}
@keyframes masuk-shine{0%{left:-80%}55%,100%{left:130%}}
@keyframes masuk-glow{0%,100%{box-shadow:0 0 8px rgba(255,154,118,.55)}50%{box-shadow:0 0 24px rgba(255,154,118,.95),0 0 40px rgba(217,108,72,.5)}}
.jp-spark{display:inline-block;animation:spark-twinkle 1s ease-in-out infinite}
@keyframes spark-twinkle{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(.55) rotate(18deg);opacity:.45}}
@media (prefers-reduced-motion:reduce){.jackpot-blink,.masuk-btn,.masuk-btn::after,.jp-spark{animation:none}}