/* ============================================================
   南粤古琴社 · 响应式官网
   水墨古典 × 现代版式
   ============================================================ */
:root{
  --paper:#f7f2e7;            /* 宣纸底 */
  --paper-2:#efe6d2;
  --paper-3:#e6dabd;
  --ink:#221c15;              /* 浓墨 */
  --ink-2:#4b4234;
  --muted:#8b7d66;
  --faint:#b6a888;
  --line:#ddd0b6;
  --accent:#a23e27;           /* 朱砂 */
  --accent-deep:#7e2d1b;
  --gold:#b98a44;
  --gold-soft:#d9bd85;
  --serif:"Noto Serif SC","Songti SC","SimSun",serif;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  --shadow:0 10px 30px -14px rgba(56,42,18,.35);
  --shadow-lg:0 24px 60px -24px rgba(56,42,18,.5);
  --ease:cubic-bezier(.22,.61,.36,1);
  --head-h:72px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--paper);
  line-height:1.7;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
::selection{background:var(--accent);color:#fff}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
.container{width:min(1160px,92%);margin:0 auto}

/* 字号排版 */
.kicker{
  font-family:var(--serif);letter-spacing:.35em;color:var(--accent);
  font-size:.82rem;font-weight:600;text-transform:uppercase;
}
.kicker-light{color:var(--gold-soft)}
.sec-head{margin:0 0 44px;max-width:640px}
.sec-title{
  font-family:var(--serif);font-size:clamp(1.9rem,4vw,2.9rem);
  font-weight:900;margin:.28em 0 .18em;letter-spacing:.06em;
}
.sec-title::after{
  content:"";display:block;width:54px;height:3px;margin-top:.55em;
  background:linear-gradient(90deg,var(--accent),var(--gold));border-radius:2px;
}
.sec-sub{color:var(--ink-2);font-weight:300;font-size:1.04rem}
.sec-more{text-align:center;margin-top:26px;min-height:22px;color:var(--muted);font-size:.95rem}
.loading-dot{display:inline-flex;align-items:center;gap:.5rem;color:var(--muted)}
.loading-dot::before{
  content:"";width:14px;height:14px;border-radius:50%;
  border:2px solid var(--paper-3);border-top-color:var(--accent);
  animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* 顶部导航 */
.site-head{
  position:fixed;inset:0 0 auto;z-index:60;height:var(--head-h);
  display:flex;align-items:center;
  background:rgba(247,242,231,.72);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:box-shadow .3s,border-color .3s;
}
.site-head.scrolled{box-shadow:0 8px 26px -18px rgba(34,28,21,.5);border-color:rgba(221,208,182,.55)}
.head-in{display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:10px;margin-right:auto}
.brand-mark{width:40px;height:40px;color:var(--accent);flex:none}
.brand-text{
  font-family:var(--serif);font-weight:900;font-size:1.24rem;letter-spacing:.14em;
  display:flex;flex-direction:column;line-height:1.08;color:var(--ink);
}
.brand-text small{font-family:var(--sans);font-weight:400;font-size:.58rem;letter-spacing:.32em;color:var(--muted);margin-top:.4em}
.nav{display:flex;gap:2px}
.nav-link{
  position:relative;padding:.55rem .8rem;font-size:.95rem;color:var(--ink-2);
  transition:color .25s;letter-spacing:.05em;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:.8rem;right:.8rem;bottom:.2rem;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease);
}
.nav-link:hover,.nav-link.is-active{color:var(--ink)}
.nav-link.is-active::after{transform:scaleX(1)}
.head-cta{flex:none}
.nav-toggle{
  display:none;flex-direction:column;gap:5px;padding:8px;z-index:70;
}
.nav-toggle span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s var(--ease)}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.72rem 1.5rem;border-radius:999px;font-size:.95rem;font-weight:500;
  border:1px solid transparent;transition:.25s;white-space:nowrap;
}
.btn svg{width:18px;height:18px}
.btn-ghost{border-color:var(--accent);color:var(--accent)}
.btn-ghost:hover{background:var(--accent);color:#fff}
.btn-ink{background:var(--gold);color:#241b0f;border-color:var(--gold)}
.btn-ink:hover{background:var(--gold-soft)}
.btn-ghost-dark{border-color:rgba(233,220,186,.55);color:var(--gold-soft)}
.btn-ghost-dark:hover{background:rgba(233,220,186,.14)}

/* ============ Hero ============ */
.hero{position:relative;min-height:100vh;height:max(720px,100vh);margin-top:0;color:#f4ecdb;overflow:hidden}
.hero-stage{position:absolute;inset:0}
.slide{
  position:absolute;inset:0;opacity:0;transition:opacity 1.1s var(--ease);
  display:flex;align-items:center;
}
.slide.on{opacity:1;z-index:1}
.slide-media{position:absolute;inset:0;background-size:cover;background-position:center;filter:saturate(.96)}
.slide-media::after{content:"";position:absolute;inset:0;background:linear-gradient(78deg,rgba(20,14,8,.86) 0%,rgba(20,14,8,.62) 46%,rgba(20,14,8,.28) 100%)}
.slide-fall{position:absolute;inset:0;background:
  radial-gradient(900px 460px at 88% 8%,rgba(185,138,68,.28),transparent 62%),
  radial-gradient(720px 520px at 8% 100%,rgba(162,62,39,.22),transparent 60%),
  linear-gradient(160deg,#17120c 0%,#241c10 55%,#191309 100%)}
.slide-fall::before{content:"琴";position:absolute;right:6%;top:16%;
  font-family:var(--serif);font-size:34vh;line-height:1;color:rgba(224,200,150,.09);user-select:none}
.slide-fall::after{content:"";position:absolute;right:12%;bottom:12%;width:150px;height:2px;
  background:linear-gradient(90deg,transparent,var(--gold-soft));opacity:.7}
.hero-inner{position:relative;z-index:2;width:min(1160px,92%);margin:0 auto;padding:calc(var(--head-h) + 40px) 0 0;max-width:700px}
.hero-kicker{font-family:var(--serif);letter-spacing:.5em;color:var(--gold-soft);font-size:.9rem;margin-bottom:1.2rem;padding-left:.5em}
.hero-title{
  font-family:var(--serif);font-weight:900;letter-spacing:.08em;
  font-size:clamp(2.3rem,5.6vw,4.6rem);line-height:1.22;
  text-shadow:0 4px 30px rgba(0,0,0,.4);
}
.hero-sub{margin-top:1.1rem;font-size:clamp(1rem,1.6vw,1.3rem);font-weight:300;letter-spacing:.1em;color:rgba(244,236,219,.92)}
.hero-actions{display:flex;gap:14px;margin-top:2.6rem;flex-wrap:wrap}
.hero-actions .btn{border-radius:2px;padding:.95rem 2.1rem;letter-spacing:.2em;font-family:var(--serif);font-size:1rem}
.btn-plain{color:var(--gold-soft);border:1px solid rgba(233,220,186,.6);background:transparent}
.btn-plain:hover{background:var(--gold-soft);color:#231a0e}
.btn-solid{background:var(--accent);color:#fff}
.btn-solid:hover{background:var(--accent-deep)}
.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:5;
  width:48px;height:48px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  color:rgba(244,236,219,.85);border:1px solid rgba(244,236,219,.4);
  transition:.25s;background:rgba(20,14,8,.18);
}
.hero-arrow:hover{background:rgba(233,220,186,.2);color:#fff}
.hero-arrow svg{width:20px;height:20px}
.hero-arrow.prev{left:26px}
.hero-arrow.next{right:26px}
.hero-arrow.next svg{transform:rotate(180deg)}
.hero-dots{position:absolute;left:50%;bottom:44px;transform:translateX(-50%);z-index:5;display:flex;gap:10px}
.hero-dots button{width:30px;height:3px;border-radius:2px;background:rgba(244,236,219,.35);transition:.3s}
.hero-dots button.on{background:var(--gold-soft)}
@media (pointer:coarse){.hero-arrow{display:none}}

/* ============ 公告 ============ */
.notice-bar{
  display:flex;align-items:center;gap:14px;overflow:hidden;
  background:var(--ink);color:#eee2c8;font-size:.93rem;padding:.62rem 0;
  position:relative;z-index:2;
}
.notice-tag{
  flex:none;background:var(--accent);color:#fff;padding:.2rem .85rem;border-radius:2px;
  font-family:var(--serif);letter-spacing:.3em;font-size:.8rem;margin-left:4%;
}
.notice-scroll{flex:1;overflow:hidden;white-space:nowrap;mask-image:linear-gradient(90deg,transparent,#000 6%,#000 94%,transparent)}
.notice-track{display:inline-block;white-space:nowrap;padding-left:0;animation:marquee 30s linear infinite}
.notice-track span{padding-right:3.2em}
.notice-track:hover{animation-play-state:paused}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============ Section ============ */
.section{padding:92px 0}
.section-tint{background:linear-gradient(180deg,var(--paper-2),var(--paper));position:relative}
.section-tint::before{content:"";position:absolute;inset:0;opacity:.35;
  background-image:radial-gradient(rgba(120,98,52,.14) 1px,transparent 1px);background-size:22px 22px;pointer-events:none}

/* 卡片网格（课程/商品通用） */
.grid.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.card{
  background:#fffdf7;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  display:flex;flex-direction:column;transition:transform .35s var(--ease),box-shadow .35s;
  cursor:pointer;position:relative;
}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card-media{position:relative;aspect-ratio:4/3;background:linear-gradient(150deg,var(--paper-2),var(--paper-3));overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.card:hover .card-media img{transform:scale(1.06)}
.card-ph,.card-media.noimg::before{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-family:var(--serif);font-size:2.4rem;color:rgba(74,66,52,.28);letter-spacing:.2em;
}
.card-media.noimg::before{content:attr(data-char)}
.card-ph::after,.card-media.noimg::after{content:"";position:absolute;inset:16px;border:1px solid rgba(185,138,68,.35);border-radius:8px;pointer-events:none}
.card-badge{
  position:absolute;left:12px;top:12px;z-index:2;background:rgba(34,28,21,.78);color:var(--gold-soft);
  font-size:.72rem;letter-spacing:.14em;padding:.22rem .7rem;border-radius:999px;backdrop-filter:blur(4px);
}
.card-price{position:absolute;right:12px;top:12px;z-index:2;background:rgba(162,62,39,.92);color:#fff;
  font-size:.78rem;font-weight:700;padding:.24rem .7rem;border-radius:999px}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.card-title{font-family:var(--serif);font-size:1.12rem;font-weight:700;letter-spacing:.03em;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical}
.card-intro{color:var(--ink-2);font-weight:300;font-size:.9rem;line-height:1.6;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:2.9em}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;color:var(--muted);font-size:.82rem}
.card-arrow{width:30px;height:30px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;transition:.3s}
.card-arrow svg{width:14px;height:14px}
.card:hover .card-arrow{background:var(--accent);border-color:var(--accent);color:#fff}
.free{background:rgba(185,138,68,.92)}
.empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px 0;letter-spacing:.2em}

/* 分类 chips */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin:-6px 0 26px}
.chip{
  padding:.5rem 1.25rem;border-radius:999px;border:1px solid var(--line);color:var(--ink-2);
  font-size:.9rem;background:#fffdf7;transition:.25s;
}
.chip:hover{border-color:var(--gold);color:var(--accent-deep)}
.chip.on{background:var(--ink);border-color:var(--ink);color:var(--gold-soft)}

/* ============ 活动时间轴 ============ */
.act-list{display:flex;flex-direction:column;gap:16px}
.act{
  display:flex;align-items:stretch;background:#fffdf7;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;cursor:pointer;transition:.3s var(--ease);
}
.act:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.act-date{
  flex:none;width:118px;background:var(--ink);color:var(--gold-soft);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  padding:14px 6px;text-align:center;
}
.act-date b{font-family:var(--serif);font-size:1.9rem;font-weight:900;color:#f3e7cb;line-height:1.1}
.act-date i{font-style:normal;font-size:.8rem;letter-spacing:.24em;color:var(--faint)}
.act-body{flex:1;padding:18px 20px;display:flex;flex-direction:column;gap:6px;min-width:0}
.act-tags{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.tag{font-size:.7rem;letter-spacing:.12em;padding:.14rem .6rem;border-radius:3px;border:1px solid var(--line);color:var(--muted)}
.tag.type{border-color:var(--gold);color:var(--accent-deep);background:rgba(185,138,68,.1)}
.tag.full{border-color:var(--accent);color:var(--accent);background:rgba(162,62,39,.08)}
.tag.remain{border-color:#5d8a6e;color:#3e6b4d;background:rgba(93,138,110,.1)}
.act-title{font-family:var(--serif);font-weight:700;font-size:1.3rem;letter-spacing:.03em}
.act-rows{display:flex;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:.88rem;margin-top:2px}
.act-rows span{display:inline-flex;align-items:center;gap:6px}
.act-rows svg{width:15px;height:15px;color:var(--accent)}
.act-price{margin-left:auto;align-self:center;flex:none;padding:0 22px;text-align:center}
.act-price .p{font-family:var(--serif);color:var(--accent);font-size:1.5rem;font-weight:900}
.act-price .p em{font-style:normal;font-size:.85rem;font-weight:400}
.act-price small{display:block;color:var(--muted);font-size:.74rem;margin-top:2px}

/* ============ 琴社 ============ */
.studio-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.studio{
  background:linear-gradient(155deg,#2a2115,#1a140c);color:#ead9b4;border-radius:16px;
  padding:34px 32px;position:relative;overflow:hidden;display:flex;flex-direction:column;gap:12px;
  cursor:default;min-height:250px;
}
.studio::before{content:"苑";position:absolute;right:-6px;bottom:-30px;font-family:var(--serif);
  font-size:150px;color:rgba(224,200,150,.07);user-select:none}
.studio h3{font-family:var(--serif);font-size:1.5rem;font-weight:900;letter-spacing:.06em}
.studio p{color:rgba(234,217,180,.72);font-weight:300;line-height:1.8;font-size:.95rem}
.studio-meta{display:flex;flex-wrap:wrap;gap:16px;color:var(--gold-soft);font-size:.88rem;margin-top:auto;padding-top:8px}
.studio-meta span{display:inline-flex;align-items:center;gap:7px}
.studio-meta svg{width:16px;height:16px}

/* ============ 文苑 ============ */
.art-row{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.art{
  background:#fffdf7;border:1px solid var(--line);border-radius:12px;padding:26px;cursor:pointer;
  transition:.3s var(--ease);display:flex;flex-direction:column;gap:12px;position:relative;
}
.art:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.art::after{content:"閱";position:absolute;right:18px;top:14px;font-family:var(--serif);color:rgba(185,138,68,.2);font-size:2rem}
.art .t{font-family:var(--serif);font-weight:700;font-size:1.12rem;line-height:1.5;padding-right:34px}
.art .ex{color:var(--ink-2);font-weight:300;font-size:.9rem;line-height:1.8;flex:1;
  overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical}
.art .d{color:var(--muted);font-size:.8rem;display:flex;justify-content:space-between;align-items:center}
.art .more{color:var(--accent);font-size:.85rem;letter-spacing:.1em}

/* ============ 联系 ============ */
.contact{padding-bottom:40px}
.contact-card{
  background:linear-gradient(135deg,#251d11,#171109);border-radius:20px;color:#eee0c2;
  padding:clamp(28px,5vw,64px);display:grid;grid-template-columns:1.4fr .8fr;gap:46px;
  box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.contact-card::before{content:"";position:absolute;inset:0;opacity:.4;
  background:radial-gradient(700px 300px at 110% -10%,rgba(185,138,68,.22),transparent 60%)}
.contact-card>*{position:relative}
.contact-lead{color:rgba(238,224,194,.78);font-weight:300;margin:6px 0 24px;max-width:560px}
.contact-rows{display:flex;flex-direction:column;gap:14px;max-width:520px}
.contact-rows .row{display:flex;gap:14px;align-items:flex-start}
.contact-rows .row svg{width:20px;height:20px;color:var(--gold);flex:none;margin-top:3px}
.contact-rows .row b{display:block;font-weight:500;color:#f2e6cb}
.contact-rows .row span{color:rgba(238,224,194,.72);font-weight:300;font-size:.95rem}
.contact-side{display:flex;flex-direction:column;gap:16px;align-items:flex-start;justify-content:center}
.contact-seal{
  width:110px;height:110px;border-radius:50%;background:var(--accent);color:#f8e6c8;
  display:flex;align-items:center;justify-content:center;text-align:center;
  font-family:var(--serif);font-weight:900;font-size:1.4rem;letter-spacing:.3em;line-height:1.5;
  box-shadow:0 0 0 6px rgba(162,62,39,.25),0 10px 30px -12px rgba(0,0,0,.6);margin-bottom:10px;
}
.contact-side .btn{border-radius:2px;padding:.85rem 2rem;letter-spacing:.16em;font-family:var(--serif)}

/* ============ 页脚 ============ */
.site-foot{background:#141009;color:#9a8b6f;padding:52px 0 30px;font-size:.88rem}
.foot-in{display:grid;grid-template-columns:1.5fr 1fr;gap:30px}
.foot-brand p{max-width:420px;margin-top:14px;font-weight:300;line-height:1.9;color:#7c6f56}
.brand-text.light{color:#e8d9b5;font-size:1.1rem}
.brand-text.light small{color:#7c6f56}
.foot-links{display:flex;gap:26px;flex-wrap:wrap;align-content:start;justify-self:end}
.foot-links a{color:#a99a7b;transition:.2s}
.foot-links a:hover{color:var(--gold-soft)}
.foot-meta{grid-column:1/-1;border-top:1px solid rgba(233,220,186,.12);padding-top:22px;margin-top:16px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#6c6050;font-size:.8rem}

/* ============ 视图切换 ============ */
.view-pad{min-height:60vh}
.page{animation:pageIn .5s var(--ease) both}
@keyframes pageIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.view-skel{display:flex;align-items:center;justify-content:center;min-height:56vh;gap:.8rem;color:var(--muted)}

/* ============ 子页头 band ============ */
.band{
  position:relative;color:#f2e7cd;overflow:hidden;
  padding:calc(var(--head-h) + 54px) 0 52px;
  background:
    radial-gradient(760px 420px at 92% -8%,rgba(185,138,68,.3),transparent 60%),
    radial-gradient(680px 460px at -4% 112%,rgba(162,62,39,.2),transparent 55%),
    linear-gradient(158deg,#2a2115,#150f09 72%);
}
.band::after{content:attr(data-glyph);position:absolute;right:3%;top:calc(var(--head-h) - 6px);
  font-family:var(--serif);font-size:clamp(7rem,18vw,14rem);line-height:1;
  color:rgba(224,200,150,.075);user-select:none;pointer-events:none}
.band .container{position:relative;z-index:1}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.84rem;
  color:rgba(238,226,196,.55);margin-bottom:20px;letter-spacing:.05em}
.crumbs a{color:var(--gold-soft);transition:.2s}
.crumbs a:hover{color:#fff}
.crumbs svg{width:12px;height:12px}
.crumbs i{font-style:normal}
.band-kicker{font-family:var(--serif);letter-spacing:.4em;color:var(--gold-soft);font-size:.82rem;font-weight:600;margin-bottom:.9rem}
.band h1{font-family:var(--serif);font-weight:900;letter-spacing:.08em;line-height:1.32;
  font-size:clamp(1.85rem,4.2vw,3.1rem)}
.band-sub{color:rgba(238,226,196,.74);font-weight:300;margin-top:12px;max-width:660px;line-height:1.9}
.band-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.band-tag{font-size:.78rem;letter-spacing:.1em;color:rgba(238,226,196,.85);
  border:1px solid rgba(233,220,186,.35);padding:.28rem .85rem;border-radius:999px;
  display:inline-flex;align-items:center;gap:6px}
.band-tag b{color:var(--gold-soft);font-weight:600}
.band-tag svg{width:14px;height:14px}

/* ============ 列表页 ============ */
.list-page{padding:44px 0 104px;background:linear-gradient(180deg,var(--paper-2),var(--paper) 40%)}
.count-note{color:var(--muted);font-size:.9rem;margin-bottom:18px;letter-spacing:.06em}
.catbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:0 0 44px}
.sec-head-row .sec-head{margin:0}
.lk{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-family:var(--serif);
  font-size:.92rem;letter-spacing:.14em;padding-bottom:4px;border-bottom:1px solid transparent;white-space:nowrap}
.lk:hover{border-color:var(--accent)}
.lk svg{width:15px;height:15px;transition:transform .25s}
.lk:hover svg{transform:translateX(3px)}

/* ============ 详情页 ============ */
.det{padding-bottom:110px}
.det-head{
  position:relative;color:#f4ead3;overflow:hidden;
  padding:calc(var(--head-h) + 42px) 0 56px;
  background:
    radial-gradient(720px 420px at 88% -10%,rgba(185,138,68,.3),transparent 62%),
    radial-gradient(640px 480px at -6% 116%,rgba(162,62,39,.18),transparent 56%),
    linear-gradient(160deg,#251d12,#140e08 74%);
}
.det-head.has-cover{background:#171008 no-repeat center 22%/cover}
.det-head.has-cover::before{content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(10,7,3,.93) 0%,rgba(12,8,3,.62) 52%,rgba(10,7,3,.34) 100%)}
.det-head .container{position:relative;z-index:1}
.det-title{font-family:var(--serif);font-weight:900;letter-spacing:.06em;line-height:1.35;
  font-size:clamp(1.7rem,4vw,2.8rem);margin-top:16px;max-width:860px}
.det-sub{color:rgba(238,226,196,.8);font-weight:300;margin-top:12px;max-width:760px;line-height:2}
.det-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;color:rgba(238,226,196,.9);font-size:.92rem}
.det-meta span{display:inline-flex;align-items:center;gap:7px}
.det-meta svg{width:16px;height:16px;color:var(--gold-soft)}

.detail{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:40px;align-items:start;padding-top:44px}
.det-main{min-width:0}
.det-main .sec-head{max-width:none;margin-bottom:26px}
.det-main .sec-head .sec-title{font-size:clamp(1.4rem,2.6vw,1.9rem)}
.det-side{position:sticky;top:calc(var(--head-h) + 26px);display:flex;flex-direction:column;gap:16px}
.panel{background:#fffdf7;border:1px solid var(--line);border-radius:16px;padding:24px 22px;box-shadow:var(--shadow)}
.panel-price{display:flex;align-items:baseline;gap:10px;padding-bottom:14px;border-bottom:1px dashed var(--line);flex-wrap:wrap}
.panel-price .cur{font-family:var(--serif);color:var(--accent);font-size:2.1rem;font-weight:900;letter-spacing:.02em}
.panel-price .cur.free{color:var(--gold);font-size:1.5rem}
.panel-price .unit{color:var(--muted);font-size:.85rem}
.panel-price .state{font-size:.78rem;letter-spacing:.08em;padding:.2rem .7rem;border-radius:999px;margin-left:auto}
.panel-price .state.ok{background:rgba(93,138,110,.12);color:#3e6b4d}
.panel-price .state.hot{background:rgba(162,62,39,.1);color:var(--accent)}
.kv{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;
  padding:10px 0;border-bottom:1px dashed var(--line);font-size:.92rem}
.kv b{font-weight:500;color:var(--muted);white-space:nowrap}
.kv span{text-align:right;font-weight:600;color:var(--ink);min-width:0}
.kv span.good{color:#3e6b4d}
.kv span.bad{color:var(--accent)}
.panel-cta{margin-top:20px;display:flex;flex-direction:column;gap:10px}
.panel-cta .btn{width:100%;border-radius:10px;font-family:var(--serif);letter-spacing:.2em;padding:.95rem 1rem}
.wx-hint{font-size:.78rem;color:var(--muted);text-align:center;line-height:1.7}
.back-row{margin-top:6px}
.back-row a{display:inline-flex;align-items:center;gap:8px;color:var(--ink-2);font-size:.9rem}
.back-row a:hover{color:var(--accent)}
.back-row svg{width:15px;height:15px}

.block-head{font-family:var(--serif);display:flex;align-items:center;gap:12px;
  font-size:1.3rem;font-weight:800;margin:40px 0 18px;letter-spacing:.05em}
.block-head::before{content:"";width:22px;height:3px;flex:none;
  background:linear-gradient(90deg,var(--accent),var(--gold));border-radius:2px}
.block-head small{font-family:var(--sans);font-weight:400;color:var(--muted);font-size:.82rem;letter-spacing:.02em}
.prose{color:#3a3226;font-weight:300;line-height:2.1;font-size:1.03rem;white-space:pre-wrap;word-break:break-word}
.prose p{margin-bottom:1.2em}
.ses-wrap{background:#fffdf7;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.session{display:flex;align-items:center;gap:16px;padding:16px 18px;border-top:1px solid var(--line);flex-wrap:wrap}
.session:first-child{border-top:0}
.session .no{width:40px;height:40px;flex:none;border-radius:50%;border:1px solid var(--gold);
  display:flex;align-items:center;justify-content:center;font-family:var(--serif);color:var(--accent-deep);font-weight:700}
.session .inf{flex:1;min-width:220px}
.session .inf b{display:block;font-family:var(--serif);font-size:1.02rem;letter-spacing:.03em}
.session .inf span{color:var(--muted);font-size:.84rem;display:inline-flex;align-items:center;gap:6px;margin-top:3px}
.session .inf span svg{width:13px;height:13px}
.session .state{flex:none;font-size:.8rem;font-weight:600;letter-spacing:.06em}
.session .state.ok{color:#3e6b4d;border:1px solid rgba(93,138,110,.4);padding:.24rem .8rem;border-radius:999px}
.session .state.hot{color:var(--accent);border:1px solid rgba(162,62,39,.4);padding:.24rem .8rem;border-radius:999px}
.prevnext{display:flex;justify-content:space-between;gap:18px;margin-top:58px;
  border-top:1px solid var(--line);padding-top:24px}
.prevnext a{flex:1;min-width:0;background:#fffdf7;border:1px solid var(--line);border-radius:12px;
  padding:14px 18px;transition:.25s}
.prevnext a:hover{box-shadow:var(--shadow);border-color:var(--gold);transform:translateY(-2px)}
.prevnext .dir{display:block;color:var(--muted);font-size:.73rem;letter-spacing:.22em;margin-bottom:5px}
.prevnext .tt{display:block;font-family:var(--serif);font-weight:600;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.prevnext a.next{text-align:right}

/* 文苑正文单栏 */
.art-solo{max-width:780px;margin:0 auto}
.art-top{background:#fffdf7;border:1px solid var(--line);border-radius:16px;padding:clamp(22px,4vw,44px);margin-top:-70px;position:relative;z-index:2}
.art-top .det-title{margin-top:14px;color:var(--ink);font-size:clamp(1.5rem,3vw,2.2rem);max-width:none}
.art-meta{display:flex;flex-wrap:wrap;gap:18px;color:var(--muted);font-size:.86rem;margin-top:14px;
  padding-bottom:20px;border-bottom:1px dashed var(--line)}
.art-meta span{display:inline-flex;align-items:center;gap:6px}
.art-meta svg{width:14px;height:14px;color:var(--gold)}
.art-solo .prose{margin-top:26px;font-size:1.06rem;line-height:2.15}
.art-solo .prose p{white-space:pre-wrap;margin-bottom:1.2em}

/* 琴社页 */
.studio-cta{margin-top:60px}

/* 空态 / 错误 / 404 */
.empty-page{min-height:52vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center;padding:60px 0}
.empty-page .glyph{font-family:var(--serif);font-size:5rem;color:var(--paper-3);line-height:1}
.empty-page p{color:var(--muted);letter-spacing:.08em}

/* ============ Toast ============ */
.toast{
  position:fixed;left:50%;bottom:38px;transform:translate(-50%,20px);z-index:130;
  background:var(--ink);color:#eeddb8;padding:.8rem 1.6rem;border-radius:999px;font-size:.92rem;
  letter-spacing:.06em;opacity:0;transition:.35s var(--ease);pointer-events:none;
  box-shadow:var(--shadow-lg);max-width:86vw;text-align:center;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ============ 入场动效 ============ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1080px){
  .grid.cards{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
  :root{--head-h:62px}
  .head-cta{display:none}
  .grid.cards,.art-row{grid-template-columns:repeat(2,1fr)}
  .contact-card{grid-template-columns:1fr;gap:34px}
  .contact-side{flex-direction:row;align-items:center;gap:22px}
  .contact-seal{width:84px;height:84px;font-size:1.1rem;margin-bottom:0}
  .hero{height:max(620px,92vh)}
}
@media (max-width:720px){
  .section{padding:66px 0}
  .grid.cards{grid-template-columns:repeat(2,1fr);gap:14px}
  .card-body{padding:12px 13px 14px}
  .card-title{font-size:1rem}
  .card-intro{-webkit-line-clamp:1;min-height:1.5em}
  .act-date{width:84px}
  .act-price{padding:0 12px}
  .act-price .p{font-size:1.2rem}
  .act-body{padding:14px}
  .act-title{font-size:1.08rem}
  .studio-grid{grid-template-columns:1fr}
  .art-row{grid-template-columns:1fr}
  .foot-in{grid-template-columns:1fr}
  .foot-links{justify-self:start}
  /* 抽屉导航 */
  .nav-toggle{display:flex}
  .nav{
    position:fixed;top:0;right:0;bottom:0;width:min(300px,82vw);z-index:65;
    flex-direction:column;gap:0;padding:calc(var(--head-h) + 26px) 34px 40px;
    background:linear-gradient(165deg,#2a2115,#181209);box-shadow:-24px 0 60px rgba(0,0,0,.4);
    transform:translateX(105%);transition:transform .4s var(--ease);
  }
  .nav.open{transform:none}
  .nav-link{color:#d8c49a;padding:.95rem .4rem;font-size:1.1rem;font-family:var(--serif);letter-spacing:.2em;
    border-bottom:1px solid rgba(233,220,186,.1)}
  .nav-link.is-active{color:var(--gold-soft)}
  .nav-link.is-active::after{display:none}
  .hero-dots{bottom:26px}
}
@media (max-width:430px){
  .grid.cards{grid-template-columns:1fr}
  .hero-actions .btn{padding:.85rem 1.5rem}
  .hero-title{font-size:2.1rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001s!important;transition-duration:.001s!important}
  html{scroll-behavior:auto}
}

/* ============ 详情 / 子页 响应式 ============ */
@media (max-width:1040px){
  .detail{grid-template-columns:1fr;gap:0}
  .det-side{position:static;order:-1;margin-bottom:28px}
  .det-side .panel{max-width:520px}
  .art-top{margin-top:-46px}
}
@media (max-width:720px){
  .band{padding:calc(var(--head-h) + 38px) 0 38px}
  .band::after{font-size:9rem;right:0;top:calc(var(--head-h) - 2px)}
  .det-head{padding:calc(var(--head-h) + 24px) 0 40px}
  .det{display:block}
  .detail{padding-top:18px}
  .det-main .block-head{margin-top:34px}
  .prevnext{flex-direction:column;gap:12px}
  .session{gap:12px}
  .session .no{width:34px;height:34px;font-size:.9rem}
  .list-page{padding:32px 0 80px}
  .sec-head-row{flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:32px}
}
@media (max-width:430px){
  .det-meta{gap:10px 16px}
  .panel{padding:20px 16px}
  .band-sub{font-size:.95rem}
}