*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:#0c171b;color:#f4eedb;font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif}button{font:inherit;color:inherit;border:0;cursor:pointer}img{display:block}.hidden{display:none!important}.screen{position:absolute;inset:0;display:none;overflow:hidden}.screen.active{display:block}.screen-bg,.screen-shade,.game-shade,.result-shade{position:absolute;inset:0}.screen-bg{background-position:center;background-size:cover;background-repeat:no-repeat}.glass{background:rgba(19,35,40,.72);border:1px solid rgba(255,232,169,.14);box-shadow:0 18px 42px rgba(0,0,0,.25);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}
.btn{min-height:52px;padding:0 22px;border-radius:15px;font-weight:900;letter-spacing:.03em;transition:.16s transform,.16s filter}.btn:hover{filter:brightness(1.06)}.btn:active{transform:translateY(2px)}.btn-gold{background:linear-gradient(#f8d979,#dda244);color:#432b14;box-shadow:0 5px 0 #855a26}.btn-jade{background:linear-gradient(#65c3b8,#368b8b);color:#effffb;box-shadow:0 5px 0 #1b5f63}.btn-quiet{background:rgba(33,55,60,.9);color:#dceae3;box-shadow:0 4px 0 #15282c}.square-btn{width:46px;height:46px;border-radius:13px;background:rgba(16,31,36,.9);border:1px solid rgba(255,255,255,.12);box-shadow:0 4px 0 #0a161a;font-weight:900;font-size:20px}
/* start */.start-bg{background-image:url("../assets/screens/start_bg.png")}.screen-shade{background:linear-gradient(90deg,rgba(8,18,20,.66) 0%,rgba(8,18,20,.18) 48%,rgba(8,18,20,.26) 100%)}.start-copy{position:absolute;z-index:2;left:7vw;top:12vh}.seal-mark{width:72px;height:72px;border-radius:22px;display:grid;place-items:center;background:#e0bd62;color:#203138;font:900 42px serif;box-shadow:0 6px 0 #806a38;margin-bottom:14px}.start-copy h1{margin:0;font:900 clamp(58px,7vw,108px) serif;letter-spacing:.08em;text-shadow:0 6px 0 rgba(10,20,24,.42)}.start-copy p{margin:2px 0;color:#f1d57b;letter-spacing:.42em;font-size:14px;font-weight:900}.start-meta{margin-top:14px;color:#d7e4dd;font-weight:700;letter-spacing:.08em}.start-hero{position:absolute;z-index:2;width:min(31vw,430px);right:10vw;bottom:10vh;filter:drop-shadow(0 18px 20px rgba(0,0,0,.3))}.start-actions{position:absolute;z-index:3;left:7vw;bottom:14vh;display:grid;grid-template-columns:220px 220px;gap:14px}.start-actions #helpBtn{grid-column:1/-1;width:150px}.start-save{position:absolute;z-index:3;right:3vw;top:3vh;display:flex;gap:10px}.start-save span{padding:10px 13px;border-radius:13px;background:rgba(10,27,31,.7);border:1px solid rgba(250,222,140,.18);font-size:12px}.start-save b{color:#ffe18b;font-size:17px}
/* map */.map-bg{background-image:url("../assets/screens/map_art.png")}.map-shade{background:linear-gradient(90deg,rgba(7,17,21,.08),rgba(7,17,21,.15) 58%,rgba(7,17,21,.48))}.map-top{position:absolute;z-index:3;left:14px;right:14px;top:12px;height:64px;border-radius:18px;display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:9px 12px}.map-top small{color:#abc1b8}.map-top h2{margin:1px 0 0;font-size:22px}.map-wallet{font-weight:900;color:#ffe074}.chapter-tabs{position:absolute;z-index:3;left:18px;top:89px;display:flex;gap:7px;max-width:62vw;overflow:auto;padding-bottom:5px}.chapter-tab{white-space:nowrap;padding:8px 11px;border-radius:11px;background:rgba(12,31,36,.74);border:1px solid rgba(255,231,164,.15);color:#d7e7e0}.chapter-tab.active{background:#d7b75a;color:#203138;font-weight:900}.map-panel{position:absolute;z-index:3;right:18px;top:91px;bottom:18px;width:min(31vw,400px);border-radius:24px;padding:14px}.map-panel-title{font-weight:900;margin-bottom:10px}.level-grid{height:calc(100% - 28px);overflow:auto;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding-right:3px}.level-btn{min-height:66px;border-radius:13px;background:rgba(255,255,255,.07);border:1px solid rgba(255,232,169,.11);font-weight:900}.level-btn small{display:block;font-size:9px;color:#b9c8c2;margin-top:4px}.level-btn .stars{color:#ffd765;font-size:9px}.level-btn.locked{filter:grayscale(1) brightness(.52);cursor:not-allowed}.level-btn.selected{outline:2px solid #f5d76f;background:rgba(245,215,111,.13)}.map-stage-card{position:absolute;z-index:3;left:5vw;bottom:5vh;width:min(330px,29vw);border-radius:23px;padding:18px}.map-stage-card small{color:#aec1ba}.map-stage-card h3{margin:5px 0 8px;font-size:25px}.map-stage-card p{color:#d5e1dc;margin:0 0 14px;font-size:13px}.map-stage-card .btn{width:100%}
/* game */.game-bg{background-image:url("../assets/backgrounds/levels/level_01.webp")}.game-shade{background:linear-gradient(180deg,rgba(8,16,20,.08),rgba(8,16,20,.3))}.game-layout{position:relative;z-index:2;height:100%;display:grid;grid-template-columns:225px minmax(500px,1fr) 235px;gap:11px;padding:11px}.hud-left{border-radius:20px;padding:12px;display:flex;flex-direction:column;gap:9px}.hud-head{display:flex;justify-content:space-between;font-size:19px;font-weight:900}.hud-head em{font-style:normal;font-size:11px;color:#ffd96c}.hud-chapter{padding:9px 10px;border-radius:13px;background:rgba(0,0,0,.17)}.hud-chapter small{display:block;color:#9fb6ae}.hud-chapter strong{display:block;margin-top:2px}.hero-health{display:grid;grid-template-columns:58px 1fr;gap:8px;align-items:center;background:rgba(0,0,0,.15);padding:7px;border-radius:14px}.hero-health img{width:58px;height:58px}.hero-health small{color:#a6bbb3}.hearts{display:flex;gap:3px;margin-top:3px}.heart{font-size:21px;color:#ee6268}.heart.empty{opacity:.23;filter:grayscale(1)}.shield-tag{display:inline-block;margin-top:4px;padding:2px 7px;border-radius:999px;background:#72cfc3;color:#143139;font-size:9px;font-weight:900}.stat-cards{display:grid;grid-template-columns:1fr 1fr;gap:6px}.stat-cards div{padding:7px;border-radius:11px;background:rgba(0,0,0,.15)}.stat-cards small{display:block;color:#9fb6ae;font-size:9px}.stat-cards b{font-size:17px}.phase-card{margin-top:auto;padding:10px;border-radius:14px;background:rgba(0,0,0,.17)}.phase-card small{color:#a8bcb5}.phase-card strong{display:block;font-size:20px;margin:2px 0 7px}.phase-track{height:9px;border-radius:99px;background:#15262a;overflow:hidden}.phase-track i{display:block;height:100%;background:linear-gradient(90deg,#61d2be,#f3d46d);transition:.3s width}.battle{display:flex;flex-direction:column;min-width:0}.battle-top{display:flex;justify-content:space-between;align-items:center;padding:2px 5px 7px}.battle-top small{display:block;color:#d4e2dc;font-size:10px}.battle-top b{display:block;color:#ffe074;font-size:16px;margin-top:2px}.battle-buttons{display:flex;gap:6px}.boss-stage{width:min(600px,91%);margin:0 auto 6px;border-radius:18px;padding:6px 10px;display:grid;grid-template-columns:70px 1fr;gap:8px;align-items:center;background:linear-gradient(100deg,rgba(79,38,41,.9),rgba(31,50,51,.85));border:1px solid rgba(255,219,119,.24);box-shadow:0 9px 26px rgba(0,0,0,.25)}.boss-portrait{position:relative;width:68px;height:68px;display:grid;place-items:center}.boss-portrait>span{position:absolute;width:58px;height:58px;border-radius:50%;background:radial-gradient(circle,rgba(251,213,94,.4),transparent 68%);animation:aura 2s infinite ease-in-out}.boss-portrait img{position:relative;width:68px;height:68px;object-fit:contain}.boss-row{display:flex;justify-content:space-between;align-items:center}.boss-row b{font-size:15px}.boss-row em{font-style:normal;font-size:9px}.boss-row strong{color:#ffdd73}.boss-track{height:10px;background:#271a1b;border-radius:99px;overflow:hidden;margin-top:6px}.boss-track i{display:block;height:100%;background:linear-gradient(90deg,#e45b54,#f1b451);transition:.32s width}.boss-info>small{display:block;text-align:right;margin-top:3px;color:#c8d4ce;font-size:9px}.board-shell{position:relative;flex:1;display:flex;align-items:center;justify-content:center;min-height:0}.board{position:relative;width:min(73vh,69vw);height:min(73vh,69vw);max-width:690px;max-height:690px;display:grid;grid-template-columns:repeat(7,1fr);grid-template-rows:repeat(7,1fr);gap:5px;padding:9px;border-radius:21px;background:rgba(201,229,215,.22);border:2px solid rgba(255,255,255,.18);box-shadow:inset 0 0 30px rgba(19,55,51,.25),0 17px 36px rgba(0,0,0,.24);touch-action:none}.cell{position:relative;z-index:2;border-radius:10px;background:rgba(255,255,255,.1);display:grid;place-items:center;user-select:none;touch-action:none;transition:.1s transform,.1s background}.cell img{width:91%;height:91%;object-fit:contain;pointer-events:none;filter:drop-shadow(0 4px 3px rgba(0,0,0,.22))}.cell.hero{background:rgba(95,218,204,.18)}.cell.selected{transform:scale(.91);box-shadow:inset 0 0 0 3px #ffe06d;background:rgba(255,224,109,.18);z-index:5}.cell.raging{box-shadow:inset 0 0 0 3px #e6524e}.badge{position:absolute;z-index:6;right:2px;top:2px;min-width:21px;height:19px;padding:0 4px;border-radius:7px;display:grid;place-items:center;background:#273b40;font-size:9px;font-weight:900}.badge.hot{background:#df514d}.armor{left:50%;right:auto;top:auto;bottom:2px;transform:translateX(-50%);background:#24363b;color:#ffe072;border:1px solid #b69747}.path-order{position:absolute;z-index:8;left:2px;top:2px;width:18px;height:18px;border-radius:50%;display:grid;place-items:center;background:#f6d76c;color:#352b1b;font-size:9px;font-weight:900}.path-svg{position:absolute;inset:0;width:100%;height:100%;z-index:4;pointer-events:none}.path-svg polyline{fill:none;stroke:#ffe072;stroke-width:8;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 2px 3px rgba(70,42,17,.45))}.combo-fx{position:absolute;z-index:20;left:50%;top:48%;transform:translate(-50%,-50%);font-size:42px;font-weight:1000;color:#ffe171;text-shadow:0 4px 0 #6c372e,0 10px 22px rgba(0,0,0,.34);opacity:0;pointer-events:none}.combo-fx.show{animation:combo .75s ease}.toast{position:absolute;z-index:21;left:50%;bottom:4%;transform:translateX(-50%);padding:7px 12px;border-radius:999px;background:rgba(15,31,36,.92);font-size:10px;opacity:0;pointer-events:none}.toast.show{animation:toast 1.2s ease}.hud-right{padding-top:48px;display:flex;flex-direction:column;gap:9px}.skill{min-height:86px;border-radius:17px;padding:8px;display:grid;grid-template-columns:48px 1fr 28px;gap:7px;align-items:center;text-align:left}.skill img{width:46px;height:46px}.skill b{display:block;font-size:12px}.skill small{display:block;color:#bdcdc6;font-size:8px;margin-top:2px}.skill em{font-style:normal;text-align:center;padding:6px 2px;border-radius:8px;background:rgba(0,0,0,.18);font-weight:900}.skill.disabled{filter:grayscale(1) brightness(.6);cursor:not-allowed}.rules{margin-top:auto;border-radius:17px;padding:12px;display:grid;gap:6px}.rules b{margin-bottom:2px}.rules span{font-size:9px;color:#cfddd7}
/* action effects */.hit{z-index:11!important}.hit img{animation:hit .45s cubic-bezier(.16,.68,.2,1) forwards}.slash{position:absolute;z-index:15;left:7%;top:46%;width:86%;height:6px;border-radius:99px;background:linear-gradient(90deg,transparent,#fff3ab,#fff,#6fe0d3,transparent);box-shadow:0 0 12px rgba(255,232,127,.8);transform:rotate(var(--r,34deg)) scaleX(.06);animation:slash .38s ease-out forwards}.particle{position:absolute;z-index:14;left:50%;top:50%;width:6px;height:6px;border-radius:50%;background:#ffe274;animation:particle .56s ease-out forwards}.hero-dash{position:absolute;z-index:18;pointer-events:none;filter:drop-shadow(0 6px 6px rgba(0,0,0,.25)) drop-shadow(0 0 7px rgba(100,235,218,.45))}.new-tile{animation:dropIn .38s cubic-bezier(.16,.76,.22,1)}
.modal{position:fixed;z-index:60;inset:0;display:grid;place-items:center;background:rgba(5,11,14,.73)}.modal-card{width:min(390px,88vw);padding:23px;border-radius:22px;text-align:center}.modal-card h3{font-size:25px;margin:0 0 8px}.modal-card p{white-space:pre-line;color:#c7d6d0;line-height:1.7}.modal-actions{display:grid;gap:8px;margin-top:15px}
@keyframes aura{50%{transform:scale(1.16);opacity:.55}}@keyframes hit{0%{transform:scale(1);opacity:1}22%{transform:scale(.94,1.06) rotate(-2deg);filter:brightness(1.25)}48%{transform:scale(1.15) rotate(3deg);filter:brightness(1.6)}100%{transform:scale(.08) rotate(14deg);opacity:0;filter:brightness(2)}}@keyframes slash{60%{opacity:1;transform:rotate(var(--r,34deg)) scaleX(1.08)}100%{opacity:0;transform:rotate(var(--r,34deg)) scaleX(1.3)}}@keyframes particle{to{opacity:0;transform:translate(var(--x),var(--y)) scale(.2)}}@keyframes dropIn{from{opacity:.15;transform:translateY(-35px) scale(.78)}to{opacity:1;transform:none}}@keyframes combo{0%{opacity:0;transform:translate(-50%,-35%) scale(.6)}25%{opacity:1;transform:translate(-50%,-50%) scale(1.08)}100%{opacity:0;transform:translate(-50%,-85%) scale(.9)}}@keyframes toast{0%,100%{opacity:0;transform:translate(-50%,7px)}18%,78%{opacity:1;transform:translate(-50%,0)}}
@media(max-width:920px){.game-layout{grid-template-columns:185px 1fr 185px}.skill{grid-template-columns:40px 1fr 24px}.skill img{width:39px;height:39px}.board{width:min(68vh,68vw);height:min(68vh,68vw)}}
@media(max-width:760px){html,body{overflow:auto}.screen{min-height:100vh;overflow:auto}.start-copy{left:6vw;top:9vh}.start-copy h1{font-size:48px}.start-hero{width:42vw;right:3vw;bottom:23vh}.start-actions{left:5vw;right:5vw;bottom:7vh;grid-template-columns:1fr 1fr}.start-actions #helpBtn{width:130px}.start-save{display:none}.map-panel{position:relative;right:auto;top:auto;bottom:auto;width:auto;margin:150px 8px 170px}.map-stage-card{position:fixed;left:8px;right:8px;bottom:8px;width:auto}.chapter-tabs{max-width:94vw}.game-layout{display:block;height:auto;min-height:100vh;padding:7px 7px 95px}.hud-left{display:grid;grid-template-columns:auto 1fr auto;gap:6px;padding:7px}.hud-chapter,.hero-health{padding:5px}.hero-health{grid-template-columns:42px 1fr}.hero-health img{width:42px;height:42px}.stat-cards{grid-column:1/-1;grid-template-columns:repeat(4,1fr)}.phase-card{grid-column:1/-1}.hud-right{position:fixed;z-index:30;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(3,1fr);gap:5px;padding:6px;background:rgba(9,20,24,.94)}.skill{min-height:70px;grid-template-columns:36px 1fr 22px;padding:5px}.skill img{width:35px;height:35px}.skill small,.rules{display:none}.board{width:min(95vw,630px);height:min(95vw,630px);gap:3px;padding:6px}.battle-top{margin-top:5px}.boss-stage{width:96%;grid-template-columns:58px 1fr}.boss-portrait,.boss-portrait img{width:56px;height:56px}.result-card,.fail-card{left:4vw;right:4vw;top:8vh;width:auto}.result-actions{margin-top:10px}}


/* ===== V8 polished buttons + in-scene result overlay ===== */
.btn{position:relative;min-height:70px;padding:0 34px;border-radius:0;background:transparent;box-shadow:none;font-weight:900;letter-spacing:.06em;text-shadow:0 1px 0 rgba(255,255,255,.25),0 2px 7px rgba(0,0,0,.15);filter:drop-shadow(0 10px 18px rgba(0,0,0,.18));transition:.18s transform,.18s filter}
.btn:hover{filter:brightness(1.05) drop-shadow(0 12px 20px rgba(0,0,0,.22))}.btn:active{transform:translateY(2px) scale(.99)}



.start-actions{grid-template-columns:240px 240px;gap:16px}.start-actions #helpBtn{width:180px}.map-stage-card .btn,.result-actions .btn,.modal-actions .btn{width:100%}
.result-overlay{position:fixed;inset:0;z-index:80;display:block;pointer-events:auto}.result-overlay.hidden{display:none}.result-overlay-backdrop{position:absolute;inset:0;background:linear-gradient(90deg,rgba(7,13,16,.08),rgba(7,13,16,.16) 40%,rgba(7,13,16,.32) 100%);backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.result-title-fx{position:absolute;left:52%;top:6vh;transform:translateX(-50%);font:900 clamp(52px,6vw,110px) serif;letter-spacing:.05em;color:#f2d282;text-shadow:0 3px 0 #68411f,0 7px 18px rgba(0,0,0,.35),0 0 30px rgba(255,224,127,.14)}
.result-title-fx.fail{color:#efcbb9;text-shadow:0 3px 0 #633027,0 7px 18px rgba(0,0,0,.35),0 0 24px rgba(255,155,127,.12)}
.result-panel{position:absolute;right:3vw;top:14vh;width:min(430px,33vw);padding:22px 22px 20px;border-radius:28px;background:linear-gradient(180deg,rgba(10,24,30,.78),rgba(11,28,34,.72));border:1px solid rgba(255,235,168,.14);box-shadow:0 22px 54px rgba(0,0,0,.28);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}
.result-panel.success{border-color:rgba(255,226,132,.18)}.result-panel.fail{border-color:rgba(255,188,166,.16);top:22vh}.result-badge{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(255,220,114,.14);color:#ffd97a;font-size:13px;font-weight:900;letter-spacing:.08em}.result-panel.fail .result-badge{background:rgba(255,153,133,.12);color:#ffc0b2}.result-panel h2{margin:10px 0 6px;font-size:clamp(28px,2vw,38px);line-height:1.25}.result-reason{color:#dbe8e4;margin:10px 0 0;line-height:1.6}.big-stars{font-size:38px;color:#ffd96e;letter-spacing:8px;margin:10px 0 6px}.result-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:14px}.result-actions-3 .btn:last-child{grid-column:1/-1}
.result-overlay .result-stats span{background:rgba(255,255,255,.08);padding:8px 11px;font-size:11px;border:1px solid rgba(255,255,255,.04)}
.square-btn{background:linear-gradient(180deg,#21363d,#16262b);border:1px solid rgba(255,235,178,.12);box-shadow:0 5px 0 #0d181b}
.modal-card{padding:24px 22px}.modal-actions .btn{min-height:64px}
@media(max-width:760px){.btn{min-height:58px;padding:0 24px;font-size:16px}.start-actions{grid-template-columns:1fr 1fr}.result-title-fx{top:4vh;font-size:38px}.result-panel{left:4vw;right:4vw;top:16vh;width:auto;padding:18px}.result-panel.fail{top:20vh}.big-stars{font-size:32px;letter-spacing:5px}}


/* ===== V9 code-only button system; no generated button images ===== */
.btn{position:relative;isolation:isolate;overflow:hidden;border-radius:18px;min-height:58px;padding:0 28px;border:1px solid rgba(255,255,255,.18);box-shadow:inset 0 1px 0 rgba(255,255,255,.42),inset 0 -2px 0 rgba(0,0,0,.22),0 6px 0 var(--btn-edge),0 14px 26px rgba(0,0,0,.22);background:linear-gradient(180deg,var(--btn-hi),var(--btn-mid) 52%,var(--btn-low));color:var(--btn-text);font-weight:900;letter-spacing:.06em;text-shadow:0 1px 0 rgba(255,255,255,.18);transition:transform .16s ease,filter .16s ease,box-shadow .16s ease}
.btn::before{content:"";position:absolute;z-index:-1;inset:3px 7px 7px;border-radius:14px;border:1px solid rgba(255,255,255,.24);background:linear-gradient(110deg,rgba(255,255,255,.22),transparent 28%,transparent 72%,rgba(255,255,255,.08));pointer-events:none}.btn::after{content:"";position:absolute;left:15%;right:15%;top:7px;height:2px;border-radius:99px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.7),transparent);opacity:.72;pointer-events:none}.btn:hover{filter:brightness(1.07) saturate(1.05);transform:translateY(-1px)}.btn:active{transform:translateY(4px);box-shadow:inset 0 1px 0 rgba(255,255,255,.24),inset 0 -1px 0 rgba(0,0,0,.18),0 2px 0 var(--btn-edge),0 6px 12px rgba(0,0,0,.18)}
.btn-gold{--btn-hi:#ffe08a;--btn-mid:#f0bd54;--btn-low:#cf8b2c;--btn-edge:#87531d;--btn-text:#4a2c10;background:linear-gradient(180deg,var(--btn-hi),var(--btn-mid) 48%,var(--btn-low))}
.btn-jade{--btn-hi:#72d5c9;--btn-mid:#48aaa5;--btn-low:#27767d;--btn-edge:#15545a;--btn-text:#effffb;text-shadow:0 1px 1px rgba(0,0,0,.26)}
.btn-quiet{--btn-hi:#344d58;--btn-mid:#233d47;--btn-low:#172c34;--btn-edge:#0d1e24;--btn-text:#e5f0ec;text-shadow:0 1px 1px rgba(0,0,0,.36)}
.result-overlay{z-index:70}.result-overlay-backdrop{background:radial-gradient(circle at 52% 46%,rgba(15,30,31,.05),rgba(5,10,12,.27) 68%,rgba(4,8,10,.5));backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}
.result-panel{right:3vw;top:16vh;width:min(420px,32vw);background:linear-gradient(180deg,rgba(16,35,40,.91),rgba(12,29,34,.88));border:1px solid rgba(255,225,135,.2);box-shadow:0 24px 56px rgba(0,0,0,.38),inset 0 1px 0 rgba(255,255,255,.08)}
.result-title-fx{left:54%;top:7vh;font-size:clamp(48px,5vw,90px);pointer-events:none}.result-stats{gap:8px}.result-actions{gap:10px}.result-actions .btn{min-height:62px}
#screen-win,#screen-fail{display:none!important}
@media(max-width:760px){.result-panel{top:17vh;width:auto}.result-title-fx{left:50%;top:5vh}.result-actions .btn{min-height:54px}}
\n\n/* =========================================================\n   封妖棋阵 1.0 — 用户参考图按钮系统 + PC/Mobile 响应式\n   ========================================================= */\n:root{\n  --ui-safe-x:clamp(12px,2.2vw,32px);\n  --ui-safe-y:clamp(10px,2vh,24px);\n}\n\n/* 参考图按钮：完全使用图片边框/材质，HTML 文字作为动态标签 */\n.btn{\n  appearance:none;-webkit-appearance:none;\n  position:relative;display:flex;align-items:center;justify-content:center;\n  width:auto;min-width:150px;\n  aspect-ratio:3.7/1;min-height:0;height:auto;\n  padding:0 clamp(26px,3vw,48px);\n  border:0!important;border-radius:0!important;\n  background-color:transparent!important;\n  background-position:center!important;background-repeat:no-repeat!important;background-size:100% 100%!important;\n  box-shadow:none!important;\n  color:#fff;font-weight:900;font-size:clamp(15px,1.15vw,20px);letter-spacing:.07em;\n  line-height:1;text-align:center;white-space:nowrap;\n  text-shadow:0 2px 2px rgba(0,0,0,.35),0 0 8px rgba(0,0,0,.14);\n  filter:drop-shadow(0 7px 8px rgba(0,0,0,.30));\n  overflow:visible;isolation:auto;\n  transition:transform .16s cubic-bezier(.2,.75,.25,1),filter .16s ease;\n}\n.btn::before,.btn::after{display:none!important}\n.btn-gold{background-image:url("../assets/ui/button_gold.png")!important;color:#5b3210;text-shadow:0 1px 0 rgba(255,250,210,.72),0 2px 2px rgba(113,61,6,.20)}\n.btn-jade{background-image:url("../assets/ui/button_jade.png")!important;color:#f6ffff;text-shadow:0 2px 2px rgba(0,62,65,.48),0 0 7px rgba(255,255,255,.18)}\n.btn-quiet{background-image:url("../assets/ui/button_blue.png")!important;color:#f0f6ff;text-shadow:0 2px 2px rgba(0,20,60,.55),0 0 7px rgba(255,255,255,.12)}\n.btn:hover{transform:translateY(-2px) scale(1.015);filter:brightness(1.08) saturate(1.04) drop-shadow(0 10px 12px rgba(0,0,0,.34))}\n.btn:active{transform:translateY(2px) scale(.985);filter:brightness(.94) drop-shadow(0 4px 5px rgba(0,0,0,.26))}\n.btn:focus-visible{outline:2px solid rgba(255,239,172,.92);outline-offset:3px}\n\n/* 启动页：PC 让图片按钮保持原始横向比例 */\n.start-actions{\n  left:7vw;right:auto;bottom:11vh;\n  width:min(560px,44vw);\n  display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;\n}\n.start-actions .btn{width:100%}\n.start-actions #helpBtn{grid-column:1/-1;width:48%;justify-self:start}\n\n/* 关卡页 */\n.map-stage-card .btn{width:100%;max-width:310px;margin-inline:auto}\n.map-stage-card{padding-bottom:16px}\n\n/* 当前场景结算 */\n.result-panel{\n  right:clamp(16px,3vw,48px);top:clamp(88px,15vh,150px);\n  width:min(440px,34vw);\n  max-height:calc(100vh - 120px);overflow:auto;\n}\n.result-actions{grid-template-columns:1fr 1fr;gap:7px 9px}\n.result-actions .btn{width:100%;font-size:clamp(13px,1vw,17px)}\n.result-actions-3 .btn:last-child{grid-column:1/-1;width:58%;justify-self:center}\n.modal-actions .btn{width:100%}\n\n/* 桌面小屏 / 平板横屏 */\n@media (max-width:1100px){\n  .start-actions{width:min(510px,52vw)}\n  .start-hero{right:4vw;width:min(35vw,390px)}\n  .game-layout{grid-template-columns:180px minmax(0,1fr) 180px;gap:8px}\n  .result-panel{width:min(400px,38vw)}\n  .btn{font-size:15px}\n}\n\n/* 平板竖屏 + 手机 */\n@media (max-width:760px){\n  html,body{width:100%;min-height:100%;overflow:hidden;overscroll-behavior:none}\n  .screen{width:100%;height:100dvh;min-height:100dvh;overflow:auto;-webkit-overflow-scrolling:touch}\n\n  /* 启动页：按钮改为纵向，素材不压扁 */\n  .start-copy{left:5vw;top:5.5vh;max-width:80vw}\n  .start-copy h1{font-size:clamp(40px,13vw,58px)}\n  .start-copy p{font-size:11px}\n  .start-meta{font-size:12px;max-width:60vw}\n  .seal-mark{width:54px;height:54px;border-radius:17px;font-size:31px;margin-bottom:8px}\n  .start-hero{width:min(43vw,190px);right:0;bottom:30vh;opacity:.96}\n  .start-actions{\n    left:50%;right:auto;bottom:4.8vh;transform:translateX(-50%);\n    width:min(72vw,310px);\n    display:flex;flex-direction:column;gap:3px;\n  }\n  .start-actions .btn,.start-actions #helpBtn{width:100%;max-width:none;aspect-ratio:3.7/1;font-size:16px}\n  .start-save{display:none}\n\n  /* 地图：上方章节横滑，关卡滚动，底部当前关卡卡片 */\n  .map-top{left:7px;right:7px;top:7px;height:58px;padding:7px 9px}\n  .map-top h2{font-size:17px}.map-wallet{font-size:12px}\n  .chapter-tabs{left:8px;top:73px;max-width:calc(100vw - 16px);padding-right:8px}\n  .map-panel{position:relative;right:auto;top:auto;bottom:auto;width:auto;margin:122px 7px 178px;border-radius:18px;padding:10px}\n  .level-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}\n  .level-btn{min-height:58px}\n  .map-stage-card{position:fixed;z-index:20;left:7px;right:7px;bottom:7px;width:auto;padding:11px 12px;border-radius:18px}\n  .map-stage-card h3{font-size:19px;margin:3px 0 4px}.map-stage-card p{font-size:11px;margin-bottom:5px}\n  .map-stage-card .btn{width:min(250px,76vw);aspect-ratio:3.7/1;font-size:15px}\n\n  /* 游戏：HUD收紧，棋盘尽量大，技能固定底部 */\n  .game-layout{display:block;height:auto;min-height:100dvh;padding:6px 6px 86px}\n  .hud-left{grid-template-columns:auto 1fr auto;padding:6px;gap:5px;border-radius:14px}\n  .hud-head{font-size:13px}.hud-head em{font-size:9px}\n  .hud-chapter{padding:4px 6px}.hud-chapter strong{font-size:13px}\n  .hero-health{grid-template-columns:36px 1fr;padding:4px 6px}.hero-health img{width:36px;height:36px}.heart{font-size:16px}\n  .stat-cards{grid-column:1/-1;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px}.stat-cards div{padding:5px}.stat-cards b{font-size:14px}\n  .phase-card{grid-column:1/-1;padding:6px 8px}\n  .battle-top{padding:2px 3px 4px}.battle-top small{font-size:9px}.battle-top b{font-size:12px}\n  .board{width:min(95vw,72dvh);height:min(95vw,72dvh);max-width:620px;max-height:620px}\n  .hud-right{padding:5px;gap:4px}.skill{min-height:64px}.skill b{font-size:10px}\n\n  /* 结算层：按钮纵排，保持参考图比例 */\n  .result-title-fx{left:50%;top:4.5vh;font-size:clamp(38px,12vw,58px);width:92vw;text-align:center}\n  .result-panel,.result-panel.fail{\n    left:4vw;right:4vw;top:14vh;width:auto;max-height:75dvh;\n    padding:16px 15px 14px;border-radius:20px;overflow:auto;\n  }\n  .result-panel h2{font-size:22px}.big-stars{font-size:29px;margin:5px 0;letter-spacing:4px}\n  .result-stats{margin:7px 0;gap:5px}.result-stats span{padding:6px 8px}\n  .result-actions,.result-actions-3{display:flex;flex-direction:column;gap:2px;margin-top:5px}\n  .result-actions .btn,.result-actions-3 .btn:last-child{width:100%;aspect-ratio:3.7/1;max-height:none;font-size:15px}\n\n  .modal-card{width:min(91vw,390px);padding:18px 15px;border-radius:19px}\n  .modal-actions{gap:2px}.modal-actions .btn{aspect-ratio:3.7/1;font-size:15px}\n}\n\n/* 很矮的手机横屏：避免按钮/结算被截断 */\n@media (max-height:560px) and (orientation:landscape){\n  .start-copy{top:4vh;left:4vw}.start-copy h1{font-size:44px}.seal-mark{display:none}.start-hero{width:25vw;bottom:5vh;right:7vw}\n  .start-actions{left:4vw;bottom:5vh;transform:none;width:44vw;grid-template-columns:1fr 1fr;display:grid;gap:4px 8px}\n  .start-actions #helpBtn{grid-column:1/-1;width:48%}.start-actions .btn{font-size:13px}\n  .result-title-fx{left:38%;top:3vh;font-size:38px}.result-panel,.result-panel.fail{left:auto;right:2vw;top:4vh;width:38vw;max-height:92vh;padding:11px}\n  .result-panel h2{font-size:18px;margin:3px 0}.big-stars{font-size:24px;margin:2px 0}.result-stats{margin:4px 0}.result-actions{display:grid;grid-template-columns:1fr 1fr;gap:2px 5px}.result-actions .btn{font-size:12px}.result-actions-3 .btn:last-child{grid-column:1/-1;width:56%}\n}\n