/* ============ 泰岳·寻韵记 小程序 · 验收报告 H5 ============
   方向：山雾琉光 · 云上灵韵 / 深墨岩底 · 云海流光 · 六韵灵脉
============================================================ */
:root{
  /* 墨岩底 */
  --ink:#0C1316; --ink-2:#0F1A1C; --panel:rgba(22,34,35,.55); --panel-line:rgba(201,162,75,.18);
  /* 云白文字 */
  --mist:#ECE7D8; --mist-2:#AEB7B2; --mist-3:#7E8983;
  /* 灵金 */
  --gold:#C9A24B; --gold-soft:#D8BE7E;
  /* 六韵 */
  --lin:#4E9A78; --wen:#9AA2AE; --cang:#A06E88; --yin:#5C9BC0; --shi:#D0A24A; --jin:#C9A24B;
  /* 流体字阶 */
  --fs-hero:clamp(2.7rem,8vw,6.2rem);
  --fs-h2:clamp(1.7rem,4.4vw,3rem);
  --fs-h3:clamp(1.15rem,2.4vw,1.5rem);
  --fs-body:clamp(.98rem,1.15vw,1.08rem);
  --fs-sm:clamp(.78rem,1vw,.86rem);
  /* 流体间距 */
  --pad-band:clamp(4rem,9vw,8rem);
  --wrap:min(1180px,92vw);
  --radius:18px;
  --serif:"Songti SC","STSong","Noto Serif SC",SimSun,serif;
  --sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  --mono:ui-monospace,"SFMono-Regular",Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans); color:var(--mist); background:var(--ink);
  font-size:var(--fs-body); line-height:1.8; -webkit-font-smoothing:antialiased;
  overflow-x:hidden; letter-spacing:.01em;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* 环境画布 + 颗粒 */
#ambient{position:fixed;inset:0;width:100%;height:100%;z-index:-2;display:block}
.grain{position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

/* 顶栏 */
.topbar{position:fixed;top:0;left:0;right:0;z-index:40;display:flex;align-items:center;justify-content:space-between;
  padding:.7rem clamp(1rem,4vw,2.4rem); transition:.4s; transform:translateY(-100%);
  background:linear-gradient(180deg,rgba(10,17,19,.92),rgba(10,17,19,.6) 70%,transparent);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);}
.topbar.show{transform:translateY(0)}
.brand{display:flex;align-items:center;gap:.6rem;font-family:var(--serif)}
.brand-tx{font-size:clamp(.85rem,1.4vw,1rem);color:var(--mist);letter-spacing:.05em}
.seal{display:grid;place-items:center;width:1.9rem;height:1.9rem;border-radius:7px;flex:none;
  background:linear-gradient(145deg,#B98A1E,#8a6414);color:#10171a;font-family:var(--serif);font-weight:700;
  box-shadow:0 0 0 1px rgba(201,162,75,.4),0 6px 16px rgba(0,0,0,.4)}
.nav{display:flex;gap:clamp(.6rem,2vw,1.6rem)}
.nav a{font-size:var(--fs-sm);color:var(--mist-2);position:relative;padding:.2rem 0;transition:.25s}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--gold);transition:.3s}
.nav a:hover,.nav a.active{color:var(--gold)}
.nav a.active::after{width:100%}
@media(max-width:640px){.nav{gap:.85rem}.brand-tx{display:none}}

/* HERO */
.hero{position:relative;min-height:100svh;display:grid;place-items:center;text-align:center;padding:6rem 1.2rem 3rem}
.hero-inner{max-width:min(900px,92vw)}
.eyebrow{font-family:var(--mono);font-size:var(--fs-sm);letter-spacing:.34em;color:var(--gold-soft);text-transform:uppercase;
  display:inline-flex;align-items:center;gap:.6rem;margin-bottom:1.6rem}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--gold);box-shadow:0 0 12px var(--gold)}
.hero-title{font-family:var(--serif);font-weight:700;font-size:var(--fs-hero);line-height:1.04;color:var(--mist);
  letter-spacing:.04em;text-shadow:0 2px 40px rgba(0,0,0,.5)}
.hero-title .mid{color:var(--gold);margin:0 .04em}
.hero-title .suffix{display:block;font-size:.42em;letter-spacing:.5em;color:var(--mist-2);font-weight:400;margin-top:.7rem;padding-left:.5em}
.hero-sub{margin-top:1.6rem;color:var(--mist-2);font-size:clamp(1rem,1.8vw,1.25rem);letter-spacing:.06em}
.hero-meta{margin-top:.5rem;color:var(--mist-3);font-size:var(--fs-sm);letter-spacing:.2em}
.scroll-cue{position:absolute;left:50%;bottom:2.2rem;translate:-50% 0;width:26px;height:42px;border:1.5px solid rgba(216,190,126,.5);border-radius:14px;display:block}
.scroll-cue span{position:absolute;left:50%;top:8px;translate:-50% 0;width:4px;height:8px;border-radius:2px;background:var(--gold);animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;top:8px}30%{opacity:1}70%{opacity:1}100%{opacity:0;top:24px}}

/* 段落容器 */
.band{position:relative;padding:var(--pad-band) 0}
.band.alt{background:linear-gradient(180deg,rgba(15,26,28,.0),rgba(15,26,28,.66) 12%,rgba(15,26,28,.66) 88%,rgba(15,26,28,0))}
.wrap{width:var(--wrap);margin:0 auto}
.kicker{font-family:var(--mono);font-size:var(--fs-sm);letter-spacing:.28em;color:var(--gold-soft);text-transform:uppercase;
  display:flex;align-items:center;gap:.7rem;margin-bottom:1rem}
.mk{width:13px;height:13px;border-radius:3px;flex:none;transform:rotate(45deg);box-shadow:0 0 14px currentColor}
.mk[data-yun=lin]{background:var(--lin);color:var(--lin)} .mk[data-yun=wen]{background:var(--wen);color:var(--wen)}
.mk[data-yun=cang]{background:var(--cang);color:var(--cang)} .mk[data-yun=yin]{background:var(--yin);color:var(--yin)}
.mk[data-yun=shi]{background:var(--shi);color:var(--shi)} .mk[data-yun=jin]{background:var(--jin);color:var(--jin)}
.h-sec{font-family:var(--serif);font-weight:700;font-size:var(--fs-h2);line-height:1.18;color:var(--mist);letter-spacing:.03em;margin-bottom:1.6rem}
.h-sub{font-family:var(--serif);font-size:var(--fs-h3);color:var(--gold-soft);letter-spacing:.06em;margin:2.6rem 0 1.2rem;
  padding-left:.8rem;border-left:2px solid var(--gold)}
.lede{max-width:780px;color:var(--mist-2);margin-bottom:1.4rem}
.lede p{margin-bottom:.9rem}
.lede b{color:var(--mist);font-weight:600}
code{font-family:var(--mono);font-size:.86em;background:rgba(201,162,75,.12);color:var(--gold-soft);padding:.1em .45em;border-radius:5px}

/* 统计 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.4rem}
.stat{padding:1.4rem 1rem;text-align:center;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--panel-line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.stat .n{display:block;font-family:var(--serif);font-size:clamp(2rem,5vw,3.2rem);color:var(--gold);line-height:1}
.stat .l{display:block;margin-top:.5rem;font-size:var(--fs-sm);color:var(--mist-2);letter-spacing:.08em}
@media(max-width:680px){.stats{grid-template-columns:repeat(2,1fr)}}

/* 角色 */
.roles{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.role{padding:1.3rem 1.4rem;border-radius:var(--radius);background:var(--panel);border:1px solid var(--panel-line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:.3s}
.role:hover{border-color:rgba(201,162,75,.45);transform:translateY(-3px)}
.role h4{font-family:var(--serif);font-size:1.12rem;color:var(--mist);margin-bottom:.4rem;display:flex;align-items:center;gap:.5rem}
.role h4 i{width:7px;height:7px;border-radius:50%;background:var(--gold);flex:none}
.role .d{font-size:var(--fs-sm);color:var(--mist-2);margin-bottom:.5rem}
.role .p{font-size:var(--fs-sm);color:var(--mist-3)}
.role .p b{color:var(--gold-soft);font-weight:500}
@media(max-width:680px){.roles{grid-template-columns:1fr}}

/* 模块卡 */
.modules{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem}
.mod{position:relative;padding:1.3rem 1.3rem 1.4rem;border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--panel-line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:.35s}
.mod::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--c,var(--gold));opacity:.8}
.mod:hover{transform:translateY(-4px);border-color:rgba(201,162,75,.4);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.mod h4{font-family:var(--serif);font-size:1.08rem;color:var(--mist);margin-bottom:.7rem;letter-spacing:.02em}
.mod ul{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem}
.mod li{font-size:.76rem;color:var(--mist-2);background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);
  padding:.18rem .55rem;border-radius:20px}

/* 机制 */
.mechs{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1rem}
.mech{padding:1.4rem 1.5rem;border-radius:var(--radius);background:var(--panel);border:1px solid var(--panel-line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.mech .t{font-family:var(--serif);font-size:1.1rem;color:var(--gold-soft);margin-bottom:.5rem;display:flex;align-items:center;gap:.55rem}
.mech .t span{font-family:var(--mono);font-size:.72rem;color:var(--ink);background:var(--gold);width:1.4rem;height:1.4rem;display:grid;place-items:center;border-radius:6px;flex:none}
.mech .d{font-size:var(--fs-sm);color:var(--mist-2)}

/* 架构图 */
.archfig{margin:1rem 0 1.6rem;padding:clamp(.8rem,2vw,1.6rem);border-radius:var(--radius);
  background:linear-gradient(180deg,rgba(236,231,216,.96),rgba(236,231,216,.9));border:1px solid var(--panel-line);
  box-shadow:0 24px 60px rgba(0,0,0,.45)}
.archfig img{cursor:zoom-in;border-radius:8px}
.archfig figcaption{margin-top:.8rem;text-align:center;font-size:var(--fs-sm);color:#5A6B6F;font-family:var(--sans)}
.archfig .hint{color:var(--gold);margin-left:.4rem}
.layers{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem;margin-top:1.4rem}
.layer{padding:1.3rem 1.4rem;border-radius:var(--radius);background:var(--panel);border:1px solid var(--panel-line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}
.layer h4{font-family:var(--serif);color:var(--mist);font-size:1.06rem;margin-bottom:.5rem;border-left:3px solid var(--c,var(--gold));padding-left:.6rem}
.layer p{font-size:var(--fs-sm);color:var(--mist-2)}

/* 路线图 */
.road{position:relative;margin-top:1rem;padding-left:1.4rem}
.road::before{content:"";position:absolute;left:6px;top:.4rem;bottom:.4rem;width:2px;
  background:linear-gradient(180deg,var(--lin),var(--yin),var(--gold),var(--mist-3))}
.mile{position:relative;padding:0 0 1.5rem 1.6rem}
.mile::before{content:"";position:absolute;left:-1.4rem;top:.35rem;width:13px;height:13px;border-radius:50%;
  background:var(--ink);border:2px solid var(--mist-3)}
.mile.done::before{border-color:var(--lin);background:var(--lin);box-shadow:0 0 12px rgba(78,154,120,.7)}
.mile.doing::before{border-color:var(--gold);background:var(--gold);box-shadow:0 0 12px rgba(201,162,75,.8);animation:pulse 1.8s infinite}
.mile.todo::before{border-color:var(--mist-3)}
@keyframes pulse{0%,100%{box-shadow:0 0 8px rgba(201,162,75,.5)}50%{box-shadow:0 0 18px rgba(201,162,75,1)}}
.mile .top{display:flex;align-items:baseline;gap:.7rem;flex-wrap:wrap}
.mile .code{font-family:var(--mono);font-size:.78rem;color:var(--gold)}
.mile .name{font-family:var(--serif);font-size:1.06rem;color:var(--mist)}
.mile .badge{font-size:.68rem;padding:.1rem .5rem;border-radius:20px;letter-spacing:.05em}
.badge.done{color:var(--lin);border:1px solid rgba(78,154,120,.5)}
.badge.doing{color:var(--gold);border:1px solid rgba(201,162,75,.6)}
.badge.todo{color:var(--mist-3);border:1px solid rgba(126,137,131,.5)}
.mile .desc{font-size:var(--fs-sm);color:var(--mist-2);margin-top:.25rem}
.mile .deli{font-size:.76rem;color:var(--mist-3);margin-top:.2rem}
.legend{display:flex;gap:1.4rem;margin-top:.6rem;flex-wrap:wrap;font-size:var(--fs-sm);color:var(--mist-2)}
.legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:.4rem;vertical-align:middle}
.legend .done{background:var(--lin)} .legend .doing{background:var(--gold)} .legend .todo{background:var(--mist-3)}

/* 截图廊 */
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(170px,1fr));gap:1rem}
.shot{position:relative;aspect-ratio:9/16;border-radius:14px;overflow:hidden;
  background:linear-gradient(160deg,rgba(28,42,44,.7),rgba(16,24,26,.7));border:1px solid var(--panel-line)}
.shot img{width:100%;height:100%;object-fit:cover;cursor:zoom-in}
.shot .ph{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:1rem;gap:.6rem}
.shot .ph .ico{width:34px;height:34px;border-radius:9px;border:1.5px dashed rgba(216,190,126,.5);display:grid;place-items:center;color:var(--gold-soft)}
.shot .ph .lab{font-size:.8rem;color:var(--mist-2)}
.shot .ph .sub{font-size:.66rem;color:var(--mist-3);font-family:var(--mono)}
.shot .tag{position:absolute;left:.5rem;bottom:.5rem;font-size:.7rem;color:var(--mist);background:rgba(12,19,22,.7);
  padding:.12rem .5rem;border-radius:8px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}

/* 页脚 */
.foot{padding:3.4rem 0;text-align:center;border-top:1px solid var(--panel-line);background:rgba(10,17,19,.7)}
.foot .seal{margin:0 auto 1rem}
.f-name{font-family:var(--serif);font-size:1.2rem;color:var(--mist);letter-spacing:.06em}
.f-meta{font-size:var(--fs-sm);color:var(--mist-3);margin-top:.4rem}

/* 灯箱 */
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(7,11,13,.94);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);
  display:none;flex-direction:column;opacity:0;transition:opacity .25s}
.lightbox.open{display:flex;opacity:1}
.lb-bar{display:flex;align-items:center;justify-content:space-between;padding:.7rem clamp(.8rem,3vw,1.6rem);gap:1rem}
.lb-cap{font-size:var(--fs-sm);color:var(--mist-2);font-family:var(--serif);letter-spacing:.05em}
.lb-tools{display:flex;gap:.5rem}
.lb-tools button{font-family:var(--mono);font-size:.85rem;min-width:2.3rem;height:2.3rem;padding:0 .6rem;border-radius:9px;cursor:pointer;
  background:rgba(255,255,255,.06);color:var(--mist);border:1px solid rgba(255,255,255,.14);transition:.2s}
.lb-tools button:hover{background:var(--gold);color:var(--ink);border-color:var(--gold)}
.lb-tools .close{background:rgba(255,255,255,.04)}
.lb-stage{flex:1;overflow:hidden;display:grid;place-items:center;touch-action:none;cursor:grab}
.lb-stage:active{cursor:grabbing}
.lb-stage img{max-width:96vw;max-height:80vh;transform-origin:center center;will-change:transform;user-select:none;-webkit-user-drag:none}
.lb-tip{text-align:center;font-size:.74rem;color:var(--mist-3);padding:.7rem;font-family:var(--mono);letter-spacing:.04em}

/* 揭示动画 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s cubic-bezier(.2,.7,.2,1),transform .8s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .scroll-cue span{animation:none}.mile.doing::before{animation:none}html{scroll-behavior:auto}
}

/* ====== v2 追加：可点击模块卡 / 技术栈 / 详情弹层 ====== */
.sub-tip{font-family:var(--mono);font-size:.66rem;color:var(--mist-3);letter-spacing:.06em;margin-left:.6rem;font-weight:400;border-left:0;padding:0}
button.mod{width:100%;text-align:left;font:inherit;color:inherit;cursor:pointer;appearance:none}
.mod .role-tx{font-size:var(--fs-sm);color:var(--mist-2);margin:-.2rem 0 .7rem}
.mod .more{display:inline-block;margin-top:.7rem;font-size:.72rem;color:var(--gold-soft);font-family:var(--mono);opacity:.85;transition:.25s}
.mod:hover .more{opacity:1;transform:translateX(3px)}
.mod.admin::before{background:var(--c,var(--cang))}

/* 技术栈条 */
.tech{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1.4rem}
.tech-i{display:flex;align-items:center;gap:.5rem;padding:.4rem .8rem;border-radius:20px;
  background:var(--panel);border:1px solid var(--panel-line);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.tech-i .k{font-size:.68rem;color:var(--gold-soft);font-family:var(--mono);letter-spacing:.05em}
.tech-i .v{font-size:.78rem;color:var(--mist-2)}

/* 详情弹层（右侧抽屉） */
.sheet{position:fixed;inset:0;z-index:90;display:flex;justify-content:flex-end;
  background:rgba(7,11,13,.6);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);opacity:0;pointer-events:none;transition:opacity .3s}
.sheet.open{opacity:1;pointer-events:auto}
.sheet-card{width:min(540px,94vw);height:100%;overflow-y:auto;padding:clamp(1.4rem,3vw,2.4rem);
  background:linear-gradient(180deg,#11201F,#0C1517);border-left:1px solid var(--panel-line);
  box-shadow:-30px 0 80px rgba(0,0,0,.5);transform:translateX(40px);transition:transform .35s cubic-bezier(.2,.7,.2,1)}
.sheet.open .sheet-card{transform:none}
.sheet-head{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;padding-bottom:1.2rem;margin-bottom:1.2rem;border-bottom:1px solid var(--panel-line)}
.sheet-head h3{font-family:var(--serif);font-size:1.5rem;color:var(--mist);letter-spacing:.03em}
.sheet-tag{display:inline-block;margin-top:.4rem;font-size:var(--fs-sm);color:var(--gold-soft);font-family:var(--mono)}
.sheet-head button{flex:none;width:2.2rem;height:2.2rem;border-radius:9px;cursor:pointer;font-size:.9rem;
  background:rgba(255,255,255,.06);color:var(--mist);border:1px solid rgba(255,255,255,.14);transition:.2s}
.sheet-head button:hover{background:var(--gold);color:var(--ink);border-color:var(--gold)}
.sd-desc{color:var(--mist-2);margin-bottom:1.4rem;line-height:1.85}
.sd-block{margin-bottom:1.4rem}
.sd-block h5{font-family:var(--serif);font-size:.98rem;color:var(--gold-soft);margin-bottom:.6rem;letter-spacing:.05em;
  padding-left:.6rem;border-left:2px solid var(--gold)}
.sd-list{list-style:none;display:flex;flex-wrap:wrap;gap:.45rem}
.sd-list li{font-size:.82rem;color:var(--mist);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.08);padding:.25rem .65rem;border-radius:8px}
.sd-list.rule{flex-direction:column;gap:.5rem}
.sd-list.rule li{background:rgba(201,162,75,.08);border-color:rgba(201,162,75,.2);color:var(--mist-2);width:100%;border-radius:9px}
.sd-chips{display:flex;flex-wrap:wrap;gap:.4rem}
.sd-chips code{font-size:.72rem}