/* ============================================================
   快乐大侠 · 官网样式
   国风水墨 / Q版武侠 / 青绿米白金色调
   ============================================================ */

/* ---------- 字体 ---------- */
@font-face{
  font-family:'MojiCalligraphy';
  src:url('../assets/font/mashanzheng-subset.woff2') format('woff2');
  font-weight:400; font-style:normal; font-display:swap;
}

/* ---------- 变量 ---------- */
:root{
  --ink:#1b2a26;
  --ink-2:#243b34;
  --jade:#3f8a72;
  --jade-d:#2c6a58;
  --jade-l:#e3efe8;
  --gold:#c8a24d;
  --gold-l:#e6cd90;
  --seal:#b03a2e;
  --cream:#f8f5ec;
  --cream-2:#efe8d6;
  --paper:#fbf9f2;
  --txt:#35423c;
  --muted:#77857e;
  --line:rgba(63,138,114,.22);
  --shadow:0 18px 44px -18px rgba(27,42,38,.35);
  --shadow-lg:0 30px 70px -25px rgba(27,42,38,.45);
  --font-cal:'MojiCalligraphy','STKaiti','KaiTi','楷体','Songti SC','STSong',serif;
  --font-body:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Source Han Sans SC',sans-serif;
  --max:1200px;
}

/* ---------- 基础 ---------- */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--txt);
  background:var(--paper);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3{margin:0;font-weight:400;line-height:1.25}
p{margin:0}

/* 纸张纹理 */
body::before{
  content:'';position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.5;
  background-image:radial-gradient(rgba(27,42,38,.045) 1px,transparent 1px);
  background-size:4px 4px;
}

/* 滚动出现动效 */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .9s cubic-bezier(.22,.68,.3,1),transform .9s cubic-bezier(.22,.68,.3,1)}
.reveal.in{opacity:1;transform:none}

/* ---------- 顶部导航 ---------- */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:200;
  background:rgba(248,245,236,.78);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:background .35s,box-shadow .35s,border-color .35s;
}
.nav.scrolled{
  background:rgba(248,245,236,.96);
  box-shadow:0 10px 30px -18px rgba(27,42,38,.35);
  border-bottom-color:var(--line);
}
.nav-inner{
  max-width:var(--max);margin:0 auto;padding:12px 22px;
  display:flex;align-items:center;gap:26px;
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-logo{width:46px;height:46px;border-radius:13px;box-shadow:0 6px 16px -6px rgba(27,42,38,.5);border:2px solid rgba(255,255,255,.75)}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-txt b{font-family:var(--font-body);font-size:24px;letter-spacing:2px;color:var(--ink)}
.brand-txt i{font-style:normal;font-size:11px;letter-spacing:3px;color:var(--muted)}

.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 15px;border-radius:999px;font-size:15px;letter-spacing:1px;
  color:var(--ink-2);transition:.28s;position:relative;
}
.nav-links a:hover{background:rgba(63,138,114,.13);color:var(--jade-d)}

.nav-dl{
  flex-shrink:0;padding:10px 22px;border-radius:999px;font-size:15px;letter-spacing:1px;color:#fff;
  background:linear-gradient(135deg,var(--jade),var(--jade-d));
  box-shadow:0 10px 24px -10px rgba(63,138,114,.85);transition:.28s;
}
.nav-dl:hover{transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(63,138,114,.95)}

.nav-burger{display:none;flex-direction:column;gap:5px;padding:8px;margin-left:auto}
.nav-burger span{width:24px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;align-items:flex-end;justify-content:center;overflow:hidden;
  padding:104px 22px 58px;
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center top;animation:heroZoom 26s ease-in-out infinite alternate}
@keyframes heroZoom{from{transform:scale(1.03)}to{transform:scale(1.12)}}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(180deg,
      rgba(248,245,236,.94) 0%,
      rgba(248,245,236,.5) 7%,
      rgba(248,245,236,0) 24%,
      rgba(248,245,236,.42) 50%,
      rgba(248,245,236,.86) 72%,
      rgba(248,245,236,.98) 88%,
      var(--paper) 100%);
}
.hero-inner{position:relative;z-index:3;text-align:center;max-width:780px;margin:0 auto}
.hero-seal{
  width:76px;height:76px;margin:0 auto 18px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(150deg,#c94f3d,#9c2e21);
  box-shadow:0 20px 40px -16px rgba(156,46,33,.95),inset 0 0 0 2px rgba(255,255,255,.4);
  transform:rotate(-4deg);
}
.hero-seal span{font-family:var(--font-body);font-size:46px;color:#fff;line-height:1;text-shadow:0 2px 4px rgba(0,0,0,.28)}
.hero-title{
  font-family:var(--font-body);font-size:clamp(52px,10.5vw,116px);letter-spacing:.06em;
  color:var(--ink);line-height:1;
  background:linear-gradient(180deg,#3d6657 0%,#22463c 42%,#10281f 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  filter:drop-shadow(0 2px 14px rgba(255,255,255,.92));
}
.hero-line{
  width:150px;height:3px;margin:22px auto 18px;border-radius:3px;
  background:linear-gradient(90deg,transparent,var(--gold),var(--gold-l),var(--gold),transparent);
}
.hero-sub{font-family:var(--font-body);font-size:clamp(19px,3.4vw,30px);letter-spacing:.34em;color:var(--jade-d);text-shadow:0 2px 14px rgba(255,255,255,.85)}
.hero-desc{margin-top:2px;font-size:clamp(15px,2.2vw,19px);letter-spacing:.16em;color:var(--ink-2);opacity:.9}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:36px}

.hero-qr{
  margin:34px auto 0;display:inline-flex;flex-direction:column;align-items:center;gap:8px;
  padding:14px;border-radius:20px;background:rgba(255,255,255,.72);
  backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.9);
  box-shadow:var(--shadow);
}
.hero-qr img{width:104px;height:104px;border-radius:10px}
.hero-qr span{font-size:12px;letter-spacing:2px;color:var(--jade-d)}

.scroll-cue{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:4;width:26px;height:44px;border:2px solid rgba(44,106,88,.55);border-radius:14px}
.scroll-cue span{position:absolute;top:8px;left:50%;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--jade-d);animation:cue 1.7s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(16px)}}

/* 飘落叶子 */
.leaves{position:absolute;inset:0;z-index:2;pointer-events:none;overflow:hidden}
.leaf{position:absolute;top:-8%;width:16px;height:16px;opacity:.75;animation:fall linear infinite}
.leaf svg{width:100%;height:100%;fill:currentColor}
@keyframes fall{
  0%{transform:translateY(-10vh) rotate(0deg);opacity:0}
  10%{opacity:.8}
  90%{opacity:.6}
  100%{transform:translateY(112vh) rotate(720deg);opacity:0}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 30px;border-radius:999px;font-size:16px;letter-spacing:1.5px;
  transition:transform .28s,box-shadow .28s,background .28s;position:relative;overflow:hidden;
}
.btn svg{width:19px;height:19px;fill:currentColor}
.btn-primary{color:#fff;background:linear-gradient(135deg,var(--jade),var(--jade-d));box-shadow:0 16px 34px -14px rgba(63,138,114,.9)}
.btn-dark{color:#fff;background:linear-gradient(135deg,#2b3b36,#16241f);box-shadow:0 16px 34px -14px rgba(27,42,38,.85)}
.btn-ghost{
  color:var(--ink);background:rgba(255,255,255,.75);border:1.5px solid rgba(44,106,88,.45);
  backdrop-filter:blur(6px);
}
.btn:hover{transform:translateY(-3px)}
.btn-primary:hover{box-shadow:0 22px 42px -14px rgba(63,138,114,1)}
.btn-dark:hover{box-shadow:0 22px 42px -14px rgba(27,42,38,.95)}
.btn-ghost:hover{background:#fff;border-color:var(--jade)}
.btn-lg{padding:17px 38px;font-size:17px}

/* ---------- 通用 section ---------- */
.sec{position:relative;z-index:2;padding:96px 22px;max-width:var(--max);margin:0 auto}
.sec-features{background:
  radial-gradient(60% 40% at 8% 0%,rgba(63,138,114,.07),transparent 70%),
  radial-gradient(50% 40% at 96% 100%,rgba(200,162,77,.09),transparent 70%);
  max-width:none;padding-left:0;padding-right:0}
.sec-features > *{max-width:var(--max);margin-left:auto;margin-right:auto;padding-left:22px;padding-right:22px}
.sec-features > .feat-grid{padding-left:22px;padding-right:22px}

/* 水墨标题 */
.ink-title{text-align:center;margin:0 auto 58px;max-width:760px;padding:0 22px}
.ink-title .ink-seal{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:50%;
  font-family:var(--font-body);font-size:30px;color:#fff;
  background:radial-gradient(circle at 32% 28%,#4b9a80,var(--jade-d));
  box-shadow:0 12px 28px -12px rgba(63,138,114,.95),inset 0 0 0 2px rgba(255,255,255,.35);
  margin-bottom:14px;
}
.ink-title h2{
  font-family:var(--font-body);font-size:clamp(30px,5.2vw,46px);letter-spacing:.16em;color:var(--ink);
}
.ink-title h2::after{
  content:'';display:block;width:110px;height:2px;margin:16px auto 0;
  background:linear-gradient(90deg,transparent,var(--gold),transparent);
}
.ink-title p{margin-top:12px;font-size:12px;letter-spacing:6px;color:var(--muted)}
.ink-title.light h2{color:#fff}
.ink-title.light p{color:rgba(255,255,255,.6)}
.ink-title.light h2::after{background:linear-gradient(90deg,transparent,var(--gold-l),transparent)}
.ink-title.light .ink-seal{background:radial-gradient(circle at 32% 28%,#d8b96a,var(--gold));color:var(--ink)}

/* ---------- 游戏特色 ---------- */
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feat{
  background:linear-gradient(180deg,#fff,var(--cream));
  border:1px solid var(--line);border-radius:20px;padding:34px 28px;
  box-shadow:0 14px 36px -22px rgba(27,42,38,.4);
  transition:transform .35s,box-shadow .35s,border-color .35s;position:relative;overflow:hidden;
}
.feat::after{
  content:'';position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;border-radius:50%;
  background:radial-gradient(circle,rgba(63,138,114,.12),transparent 70%);
  transition:.5s;
}
.feat:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:rgba(63,138,114,.45)}
.feat:hover::after{transform:scale(1.5)}
.feat-ico{
  width:62px;height:62px;border-radius:18px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-body);font-size:34px;color:#fff;
  background:linear-gradient(140deg,var(--jade),var(--jade-d));
  box-shadow:0 14px 26px -12px rgba(63,138,114,.9);margin-bottom:20px;
}
.feat h3{font-family:var(--font-body);font-size:25px;letter-spacing:2px;color:var(--ink);margin-bottom:10px}
.feat p{font-size:14.5px;color:var(--muted);line-height:1.85;position:relative;z-index:1}

/* ---------- 门派介绍 ---------- */
.sec-sects{max-width:none;background:linear-gradient(180deg,var(--cream) 0%,#f3eee0 100%);padding-left:0;padding-right:0}
.sec-sects > *{max-width:var(--max);margin-left:auto;margin-right:auto}
.sect-stage{
  display:grid;grid-template-columns:1.35fr .85fr;gap:34px;align-items:center;
  padding:0 22px;
}
.sect-art{
  position:relative;border-radius:24px;overflow:hidden;height:520px;
  display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(circle at 50% 64%,rgba(63,138,114,.14),rgba(63,138,114,0) 62%),
    linear-gradient(180deg,#fff,#f1ebda);
  border:1px solid var(--line);box-shadow:var(--shadow-lg);
}
.sect-ring{
  position:absolute;z-index:1;width:330px;height:330px;border-radius:50%;
  top:50%;left:50%;transform:translate(-50%,-52%);
  border:1px solid rgba(200,162,77,.45);
  box-shadow:inset 0 0 0 20px rgba(255,255,255,.4);
}
.sect-mark{
  position:absolute;z-index:1;left:38px;top:50%;transform:translateY(-50%);
  writing-mode:vertical-rl;text-orientation:upright;
  font-family:var(--font-body);font-size:82px;line-height:1.1;letter-spacing:12px;
  color:rgba(44,106,88,.13);user-select:none;pointer-events:none;
}
#sectArt{
  position:relative;z-index:2;max-height:86%;max-width:64%;object-fit:contain;
  filter:drop-shadow(0 26px 34px rgba(27,42,38,.3));
  transition:opacity .45s,transform .55s;
}
.sect-art.fading #sectArt{opacity:0;transform:translateY(12px) scale(.97)}
.sect-nav{
  position:absolute;top:50%;transform:translateY(-50%);
  width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.85);
  display:flex;align-items:center;justify-content:center;box-shadow:0 10px 24px -12px rgba(27,42,38,.6);
  transition:.28s;
}
.sect-nav img{width:22px;height:22px;object-fit:contain}
.sect-nav.prev{left:14px}
.sect-nav.next{right:14px}
.sect-nav:hover{background:#fff;transform:translateY(-50%) scale(1.1)}

.sect-panel{
  background:linear-gradient(180deg,#fff,var(--cream));
  border:1px solid var(--line);border-radius:24px;padding:34px 32px;
  box-shadow:var(--shadow);position:relative;
}
.sect-panel::before{
  content:'';position:absolute;left:0;top:34px;bottom:34px;width:4px;border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--jade),var(--gold));
}
.sect-panel-tag{
  display:inline-block;font-size:12px;letter-spacing:4px;color:#fff;padding:4px 14px;border-radius:999px;
  background:linear-gradient(135deg,var(--jade),var(--jade-d));
}
.sect-panel-name{font-family:var(--font-body);font-size:38px;letter-spacing:4px;color:var(--ink);margin:14px 0 4px}
.sect-panel-char{display:flex;align-items:baseline;gap:10px;margin-bottom:16px}
.sect-panel-char b{font-family:var(--font-body);font-size:23px;letter-spacing:3px;color:var(--jade-d)}
.sect-panel-char span{font-size:11px;letter-spacing:2.5px;color:var(--muted)}
.sect-panel-desc{font-size:14.5px;color:var(--muted);line-height:1.95;min-height:118px}
.sect-dots{display:flex;gap:10px;margin-top:22px}
.sect-dots button{
  width:34px;height:5px;border-radius:4px;background:rgba(63,138,114,.22);transition:.3s;
}
.sect-dots button.on{background:linear-gradient(90deg,var(--jade),var(--gold));width:52px}

/* ---------- 游戏截图 ---------- */
.gallery-row{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;padding:0 22px;
}
.shot{
  margin:0;border-radius:18px;overflow:hidden;cursor:zoom-in;position:relative;
  box-shadow:0 16px 38px -22px rgba(27,42,38,.55);border:1px solid var(--line);
  aspect-ratio:432/760;background:#e8e2d3;
  transition:transform .4s,box-shadow .4s;
}
.shot img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.shot::after{
  content:'＋';position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  font-size:34px;color:#fff;background:rgba(27,42,38,.42);opacity:0;transition:.35s;
}
.shot:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.shot:hover img{transform:scale(1.06)}
.shot:hover::after{opacity:1}
.gallery-tip{text-align:center;margin-top:24px;font-size:13px;letter-spacing:2px;color:var(--muted)}

/* ---------- 福利礼包 ---------- */
.sec-gift{
  max-width:none;position:relative;color:#fff;
  background:linear-gradient(140deg,#1d2f2a,#152420 55%,#1a2b26);
  padding-left:22px;padding-right:22px;
}
.sec-gift::before{
  content:'';position:absolute;inset:0;opacity:.5;pointer-events:none;
  background:radial-gradient(50% 60% at 15% 20%,rgba(63,138,114,.4),transparent 70%),
             radial-gradient(45% 55% at 88% 85%,rgba(200,162,77,.28),transparent 70%);
}
.sec-gift > *{position:relative;z-index:1}
.gift-tip{text-align:center;color:rgba(255,255,255,.7);font-size:14px;letter-spacing:1.5px;margin:-34px 0 40px}
.gift-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:900px;margin:0 auto}
.gift-code{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:20px 24px;border-radius:16px;color:#fff;
  background:rgba(255,255,255,.07);border:1px dashed rgba(230,205,144,.55);
  transition:.3s;
}
.gift-code span{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,'Courier New',monospace;
  font-size:21px;font-weight:600;letter-spacing:2px;color:var(--gold-l);
}
.gift-code i{font-style:normal;font-size:13px;letter-spacing:2px;padding:6px 14px;border-radius:999px;background:rgba(230,205,144,.15);color:var(--gold-l)}
.gift-code:hover{background:rgba(230,205,144,.14);border-color:var(--gold-l);transform:translateY(-4px)}
.gift-code.done i{background:var(--jade);color:#fff}

/* ---------- 下载 ---------- */
.sec-download{max-width:var(--max)}
.dl-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}
.dl-qr-frame{
  padding:18px;border-radius:24px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-lg);position:relative;
}
.dl-qr-frame::before,.dl-qr-frame::after{
  content:'';position:absolute;width:26px;height:26px;border:3px solid var(--gold);
}
.dl-qr-frame::before{top:-3px;left:-3px;border-right:0;border-bottom:0;border-radius:12px 0 0 0}
.dl-qr-frame::after{bottom:-3px;right:-3px;border-left:0;border-top:0;border-radius:0 0 12px 0}
.dl-qr-frame img{width:100%;border-radius:12px}
.dl-qr p{text-align:center;margin-top:14px;font-size:14px;letter-spacing:2px;color:var(--muted)}
.dl-main h2{font-family:var(--font-body);font-size:clamp(26px,4vw,40px);letter-spacing:3px;color:var(--ink)}
.dl-sub{margin:12px 0 26px;color:var(--muted);font-size:15px}
.dl-btns{display:flex;flex-wrap:wrap;gap:14px}
.dl-groups{margin-top:34px;padding-top:24px;border-top:1px dashed var(--line)}
.dl-groups-title{font-size:13px;letter-spacing:3px;color:var(--muted)}
.dl-group-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.group-code{
  padding:9px 16px;border-radius:999px;font-size:13.5px;letter-spacing:1px;color:var(--jade-d);
  background:var(--jade-l);border:1px solid rgba(63,138,114,.3);transition:.28s;
}
.group-code:hover{background:var(--jade);color:#fff}
.group-code.done{background:var(--jade-d);color:#fff}

/* ---------- 页脚 ---------- */
.foot{
  position:relative;z-index:2;background:linear-gradient(180deg,#182722,#111d19);
  color:rgba(255,255,255,.62);padding:52px 22px 40px;text-align:center;
}
.foot-top{
  max-width:var(--max);margin:0 auto 26px;display:flex;align-items:center;justify-content:space-between;
  gap:20px;flex-wrap:wrap;padding-bottom:24px;border-bottom:1px solid rgba(255,255,255,.1);
}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand img{width:50px;height:50px;border-radius:14px;border:2px solid rgba(255,255,255,.25)}
.foot-brand div{display:flex;flex-direction:column;line-height:1.2;text-align:left}
.foot-brand b{font-family:var(--font-body);font-size:24px;letter-spacing:3px;color:#fff}
.foot-brand i{font-style:normal;font-size:11px;letter-spacing:3px;color:rgba(255,255,255,.45)}
.foot-links{display:flex;gap:22px;font-size:14px}
.foot-links a:hover{color:var(--gold-l)}
.foot-warn{font-size:13px;letter-spacing:1px;color:rgba(255,255,255,.5);margin-bottom:14px}
.foot-info{font-size:12.5px;color:rgba(255,255,255,.42);line-height:2}
.foot-info a{color:rgba(230,205,144,.75)}
.foot-copy{margin-top:16px;font-size:12px;color:rgba(255,255,255,.28)}

/* ---------- 弹窗 / 灯箱 ---------- */
.modal,.lightbox{
  position:fixed;inset:0;z-index:500;display:none;align-items:center;justify-content:center;padding:24px;
}
.modal.show,.lightbox.show{display:flex}
.modal-mask,.lightbox-mask{position:absolute;inset:0;background:rgba(10,18,15,.82);backdrop-filter:blur(4px)}
.modal-box{position:relative;width:min(960px,100%);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);background:#000}
.modal-box video{width:100%;display:block;background:#000;max-height:76vh}
.modal-close,.lightbox-close{
  position:absolute;top:-46px;right:0;width:38px;height:38px;border-radius:50%;
  background:rgba(255,255,255,.16);color:#fff;font-size:24px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.modal-close:hover,.lightbox-close:hover{background:rgba(255,255,255,.3)}
.lightbox img{position:relative;max-height:88vh;border-radius:14px;box-shadow:var(--shadow-lg)}
.lightbox-close{top:16px;right:16px;position:fixed}
.lightbox-nav{
  position:absolute;top:50%;transform:translateY(-50%);width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.15);color:#fff;font-size:34px;line-height:1;display:flex;align-items:center;justify-content:center;
}
.lightbox-nav:hover{background:rgba(255,255,255,.3)}
.lightbox-nav.prev{left:20px}
.lightbox-nav.next{right:20px}

/* ---------- toast / 回顶 ---------- */
.toast{
  position:fixed;left:50%;bottom:40px;transform:translate(-50%,20px);z-index:600;
  padding:12px 26px;border-radius:999px;background:var(--ink);color:#fff;font-size:14px;letter-spacing:1px;
  opacity:0;pointer-events:none;transition:.35s;box-shadow:var(--shadow);
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.to-top{
  position:fixed;right:22px;bottom:26px;z-index:300;width:46px;height:46px;border-radius:14px;
  background:linear-gradient(140deg,var(--jade),var(--jade-d));color:#fff;font-size:20px;
  box-shadow:0 14px 30px -14px rgba(63,138,114,.95);
  opacity:0;pointer-events:none;transition:.32s;
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-4px)}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width:1024px){
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .gallery-row{grid-template-columns:repeat(3,1fr)}
  .sect-stage{grid-template-columns:1fr}
  .dl-wrap{grid-template-columns:1fr;gap:36px}
  .dl-qr{max-width:280px;margin:0 auto}
}
@media (max-width:768px){
  .nav-links{
    position:fixed;top:74px;left:14px;right:14px;flex-direction:column;gap:2px;
    background:rgba(248,245,236,.98);backdrop-filter:blur(12px);
    border-radius:18px;padding:12px;box-shadow:var(--shadow-lg);
    border:1px solid var(--line);
    opacity:0;pointer-events:none;transform:translateY(-12px);transition:.3s;
  }
  .nav-links.open{opacity:1;pointer-events:auto;transform:none}
  .nav-links a{color:var(--ink-2)!important;text-shadow:none!important;padding:12px 16px}
  .nav-burger{display:flex}
  .nav-dl{display:none}
  .brand-txt b{font-size:21px}
  .sec{padding:70px 20px}
  .sec-features,.sec-sects{padding-top:70px;padding-bottom:70px}
  .feat-grid{grid-template-columns:1fr;gap:16px}
  .gallery-row{grid-template-columns:repeat(2,1fr);gap:12px}
  .gift-grid{grid-template-columns:1fr}
  .gift-code span{font-size:21px}
  .sect-panel{padding:26px 22px}
  .sect-panel-desc{min-height:0}
  .hero-seal{width:64px;height:64px;border-radius:16px;margin-bottom:14px}
  .hero-seal span{font-size:38px}
  .ink-title{margin-bottom:42px}
  .sect-art{height:400px}
  .sect-ring{width:250px;height:250px}
  .sect-mark{left:18px;font-size:60px;letter-spacing:8px}
  #sectArt{max-height:84%;max-width:78%}
}
@media (max-width:420px){
  .gallery-row{grid-template-columns:1fr 1fr}
  .btn{padding:12px 22px;font-size:15px}
  .hero-btns{gap:10px}
}

/* ============================================================
   充值福利 / 福利商城 / 游戏攻略 / 游戏福利 / 活动安排
   ============================================================ */

/* ---------- 充值福利 ---------- */
.sec-recharge,.sec-guides{max-width:none}
.sec-recharge{background:linear-gradient(180deg,#fff 0%,#f6f1e3 100%)}
.sec-recharge .gift-tip{color:var(--muted);margin:-30px 0 34px;text-align:center;font-size:14px;letter-spacing:1.5px}

.tabbar{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.tab-btn{
  padding:10px 30px;border-radius:999px;font-family:var(--font-body);font-size:19px;letter-spacing:2px;
  color:var(--jade-d);background:rgba(255,255,255,.85);border:1px solid var(--line);transition:.28s;
}
.tab-btn:hover{border-color:var(--jade);transform:translateY(-2px)}
.tab-btn.on{
  color:#fff;background:linear-gradient(135deg,var(--jade),var(--jade-d));border-color:transparent;
  box-shadow:0 14px 28px -12px rgba(63,138,114,.9);
}
.reward-desc{text-align:center;color:var(--muted);font-size:14px;letter-spacing:1px;margin-bottom:26px}
.reward-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1050px;margin:0 auto;padding:0 22px}
.reward-card{
  position:relative;overflow:hidden;padding:24px;border-radius:18px;
  background:linear-gradient(180deg,#fff,#f7f3e7);border:1px solid var(--line);
  box-shadow:0 14px 34px -22px rgba(27,42,38,.45);transition:.34s;
}
.reward-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--jade),var(--gold))}
.reward-card:hover{transform:translateY(-7px);box-shadow:var(--shadow);border-color:rgba(200,162,77,.5)}
.rc-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.rc-title{font-family:var(--font-body);font-size:26px;letter-spacing:2px;color:var(--ink)}
.rc-sub{font-size:12.5px;color:var(--muted)}
.rc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.rc-list li{
  font-size:14px;color:var(--txt);padding:7px 12px;border-radius:9px;
  background:rgba(63,138,114,.08);border-left:3px solid var(--jade);
}

/* ---------- 福利商城 / 活动安排（深色） ---------- */
.sec-shop,.sec-activities{
  max-width:none;position:relative;color:#fff;
  background:linear-gradient(140deg,#1d2f2a,#152420 55%,#1a2b26);
}
.sec-shop::before,.sec-activities::before{
  content:'';position:absolute;inset:0;opacity:.55;pointer-events:none;
  background:radial-gradient(50% 60% at 15% 20%,rgba(63,138,114,.42),transparent 70%),
             radial-gradient(45% 55% at 88% 85%,rgba(200,162,77,.3),transparent 70%);
}
.sec-shop > *,.sec-activities > *{position:relative;z-index:1}
.shop-card{
  max-width:980px;margin:0 auto;padding:26px;border-radius:24px;
  background:rgba(255,255,255,.06);border:1px solid rgba(230,205,144,.35);backdrop-filter:blur(6px);
}
.shop-inner{display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;align-items:center}
.shop-pic img{width:100%;border-radius:16px;box-shadow:0 22px 44px -22px rgba(0,0,0,.75)}
.shop-info h3{font-family:var(--font-body);font-size:34px;letter-spacing:3px;color:#fff;margin-bottom:12px}
.shop-info p{color:rgba(255,255,255,.72);font-size:15px;line-height:1.9;margin-bottom:18px}
.shop-tags{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.shop-tags span{
  font-size:12.5px;letter-spacing:1px;padding:5px 14px;border-radius:999px;
  color:var(--gold-l);background:rgba(230,205,144,.14);border:1px solid rgba(230,205,144,.35);
}
.btn-gold{color:#2a2317;background:linear-gradient(135deg,var(--gold-l),var(--gold));box-shadow:0 16px 34px -14px rgba(200,162,77,.95)}
.btn-gold:hover{box-shadow:0 22px 42px -14px rgba(200,162,77,1)}
.shop-hint{margin-top:12px;font-size:12.5px;color:rgba(230,205,144,.78)}

/* ---------- 游戏攻略 ---------- */
.sec-guides{background:linear-gradient(180deg,#f8f5ec,#fff)}
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:1000px;margin:0 auto;padding:0 22px}
.guide-card{
  position:relative;padding:26px 24px 22px;border-radius:18px;cursor:pointer;transition:.34s;
  background:linear-gradient(180deg,#fff,#f7f3e7);border:1px solid var(--line);
  box-shadow:0 14px 34px -24px rgba(27,42,38,.4);
}
.guide-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(63,138,114,.5)}
.g-tag{
  display:inline-block;font-size:12px;letter-spacing:2px;color:#fff;padding:3px 12px;border-radius:999px;
  background:linear-gradient(135deg,var(--jade),var(--jade-d));margin-bottom:12px;
}
.guide-card h3{font-family:var(--font-body);font-size:23px;letter-spacing:1.5px;color:var(--ink);margin-bottom:8px}
.g-desc{font-size:14px;color:var(--muted);line-height:1.85;min-height:52px}
.g-more{display:inline-block;margin-top:14px;font-size:13px;letter-spacing:1px;color:var(--jade-d)}

/* ---------- 游戏福利 ---------- */
.block{
  padding:30px 28px;margin-bottom:26px;border-radius:22px;
  background:linear-gradient(180deg,#fff,#f8f4e9);border:1px solid var(--line);
  box-shadow:0 16px 40px -30px rgba(27,42,38,.5);
}
.block-head{
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;margin-bottom:22px;
  padding-bottom:16px;border-bottom:1px dashed var(--line);
}
.block-head h3{font-family:var(--font-body);font-size:27px;letter-spacing:2px;color:var(--ink)}
.block-head span{font-size:13px;color:var(--muted)}
.code-table{display:flex;flex-direction:column;gap:12px}
.code-row{
  padding:16px 18px;border-radius:14px;transition:.25s;
  background:rgba(63,138,114,.06);border:1px solid var(--line);
}
.code-row:hover{background:rgba(63,138,114,.1);border-color:rgba(63,138,114,.35)}
.code-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:9px}
.code-val{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:17.5px;font-weight:700;letter-spacing:1px;color:var(--jade-d);text-align:left;
}
.code-tag{
  font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;letter-spacing:.5px;
  background:rgba(63,138,114,.16);color:var(--jade-d);
}
.code-note{
  font-size:12px;font-weight:700;padding:3px 12px;border-radius:999px;letter-spacing:.5px;
  background:rgba(63,138,114,.16);color:var(--jade-d);
}
.code-note.soon{background:rgba(176,58,46,.13);color:#b03a2e}
.code-copy{
  margin-left:auto;padding:7px 18px;border-radius:999px;font-size:13px;color:#fff;flex-shrink:0;
  background:linear-gradient(135deg,var(--jade),var(--jade-d));transition:.26s;
}
.code-copy:hover{transform:translateY(-2px)}
.code-copy.done{background:var(--gold)}
.code-reward{font-size:13.5px;color:var(--txt);line-height:1.95}

.signin-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.sign-card{
  position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  padding:18px 8px;border-radius:14px;text-align:center;
  background:rgba(63,138,114,.07);border:1px solid var(--line);
}
.sign-card.grand{background:linear-gradient(180deg,rgba(200,162,77,.18),rgba(200,162,77,.06));border-color:rgba(200,162,77,.55)}
.sign-day{font-size:12.5px;letter-spacing:1px;color:var(--muted)}
.sign-rew{font-size:13.5px;color:var(--ink);font-weight:600;line-height:1.4}
.sign-badge{
  position:absolute;top:-9px;right:-6px;font-size:11px;padding:2px 9px;border-radius:999px;color:#fff;
  background:linear-gradient(135deg,#d8b96a,#c8a24d);
}
.benefit-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.bene-item{
  display:flex;gap:16px;align-items:flex-start;padding:16px 18px;border-radius:14px;transition:.3s;
  background:rgba(63,138,114,.06);border:1px solid var(--line);
}
.bene-item:hover{background:rgba(63,138,114,.12);transform:translateY(-3px)}
.bene-no{font-family:var(--font-body);font-size:24px;line-height:1;color:var(--gold);flex-shrink:0}
.bene-txt{display:flex;flex-direction:column;gap:4px}
.bene-txt b{font-size:15.5px;color:var(--ink)}
.bene-txt span{font-size:13.5px;color:var(--muted);line-height:1.8}

/* ---------- 活动安排（时间轴） ---------- */
.act-tip{text-align:center;color:rgba(255,255,255,.6);font-size:14px;letter-spacing:1.5px;margin:-30px 0 36px}
.timeline{position:relative;max-width:880px;margin:0 auto;padding:0 22px}
.timeline::before{
  content:'';position:absolute;left:51px;top:10px;bottom:10px;width:2px;
  background:linear-gradient(180deg,rgba(230,205,144,.08),rgba(230,205,144,.75),rgba(230,205,144,.08));
}
.tl-item{position:relative;display:flex;gap:22px;padding-bottom:24px}
.tl-dot{
  flex-shrink:0;width:60px;height:60px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-body);font-size:24px;color:#1d2f2a;position:relative;z-index:1;
  background:linear-gradient(140deg,var(--gold-l),var(--gold));
  box-shadow:0 0 0 6px rgba(29,47,42,.95),0 14px 30px -14px rgba(200,162,77,.9);
}
.tl-card{
  flex:1;padding:20px 24px;border-radius:16px;backdrop-filter:blur(4px);
  background:rgba(255,255,255,.06);border:1px solid rgba(230,205,144,.28);
}
.tl-top{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:6px}
.tl-top h3{font-family:var(--font-body);font-size:24px;letter-spacing:2px;color:#fff}
.tl-status{
  font-size:12px;letter-spacing:1px;padding:3px 12px;border-radius:999px;color:#1d2f2a;
  background:linear-gradient(135deg,var(--gold-l),var(--gold));
}
.tl-date{font-size:13px;letter-spacing:1px;color:rgba(230,205,144,.9);margin-bottom:8px}
.tl-card p{font-size:14.5px;color:rgba(255,255,255,.72);line-height:1.9}

/* ---------- 攻略弹窗 ---------- */
.modal-article{
  position:relative;width:min(720px,100%);max-height:82vh;overflow:auto;
  background:var(--paper);border-radius:18px;padding:34px 34px 30px;box-shadow:var(--shadow-lg);
}
.modal-close.dark{top:14px;right:14px;background:rgba(27,42,38,.12);color:var(--ink)}
.modal-close.dark:hover{background:rgba(27,42,38,.22)}
.article-head{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding-bottom:16px;margin-bottom:18px;border-bottom:1px dashed var(--line);
}
.article-head h3{font-family:var(--font-body);font-size:28px;letter-spacing:2px;color:var(--ink)}
.article-body p{font-size:15px;color:var(--txt);line-height:2;margin-bottom:10px}
.article-body p.sp{height:6px;margin:0}

@media (max-width:1024px){
  .reward-cards{grid-template-columns:repeat(2,1fr)}
  .signin-grid{grid-template-columns:repeat(4,1fr)}
  .shop-inner{grid-template-columns:1fr;gap:24px}
  .shop-pic{max-width:320px;margin:0 auto}
  .guide-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .reward-cards{grid-template-columns:1fr}
  .tab-btn{font-size:17px;padding:9px 20px}
  .code-row{padding:14px 14px}
  .code-top{gap:9px;margin-bottom:7px}
  .code-val{font-size:15px}
  .code-note{font-size:11px;padding:3px 10px}
  .code-reward{font-size:12.5px;line-height:1.9}
  .signin-grid{grid-template-columns:repeat(2,1fr)}
  .benefit-list{grid-template-columns:1fr}
  .block{padding:22px 18px}
  .tl-item{gap:14px;padding-bottom:18px}
  .tl-dot{width:46px;height:46px;font-size:19px}
  .timeline::before{left:44px}
  .modal-article{padding:26px 20px}
  .shop-info h3{font-size:27px}
}

/* ============================================================
   ★ 可读性优化
   书法体只保留在「大标题 / 印章 / 水印」上，其余全部用清晰黑体
   ============================================================ */
.hero-title,
.hero-sub,
.ink-title h2,
.ink-title .ink-seal,
.hero-seal span,
.sect-mark,
.brand-txt b,
.foot-brand b{font-family:var(--font-cal)}

/* 内容标题统一加粗、收紧字距 → 更好读 */
.rc-title,.shop-info h3,.guide-card h3,.block-head h3,.tl-top h3,
.dl-main h2,.article-head h3,.sect-panel-name,.sect-panel-char b,
.tab-btn,.bene-no,.tl-dot{font-weight:700}
.dl-main h2,.shop-info h3,.guide-card h3,.block-head h3,.tl-top h3,
.rc-title,.sect-panel-name,.sect-panel-char b,.article-head h3{letter-spacing:.02em}
.hero-sub{letter-spacing:.22em}
.brand-txt b{letter-spacing:1px}

/* 正文字号微调，减少阅读吃力 */
.g-desc{font-size:14.5px;line-height:1.9}
.rc-list li{font-size:14.5px}
.tl-card p{font-size:15px}
.block-head span{font-size:13.5px}
.sect-panel-desc{font-size:15px}
.code-reward{font-size:14.5px}
.shop-info p{font-size:16px;color:rgba(255,255,255,.85);line-height:2;letter-spacing:.02em;margin-bottom:22px}
.bene-txt span{font-size:14px}
.sign-rew{font-size:14px}
.tab-btn{font-size:18px}

/* 游戏福利：整段浅米色底，内容居中收窄 */
.sec-benefits{max-width:none;background:linear-gradient(180deg,#f7f3e8,#fbf9f2)}
.bene-wrap{max-width:var(--max);margin:0 auto;padding:0 22px}

/* ---------- ① 双端下载 ---------- */
.sec-download .dl-card{
  position:relative;max-width:860px;margin:0 auto;padding:52px 40px 46px;text-align:center;
  border-radius:26px;background:linear-gradient(180deg,#fff,#f7f3e7);
  border:1px solid var(--line);box-shadow:var(--shadow-lg);overflow:hidden;
}
.sec-download .dl-card::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(60% 55% at 50% 0%,rgba(63,138,114,.12),transparent 72%);
}
.sec-download .dl-card > *{position:relative;z-index:1}
.sec-download .dl-card h3{
  font-weight:700;font-size:clamp(24px,3.6vw,38px);letter-spacing:.02em;color:var(--ink);
}
.sec-download .dl-desc{max-width:600px;margin:16px auto 0;font-size:15.5px;line-height:2;color:var(--muted)}
.sec-download .dl-chips{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin:26px 0 32px}
.sec-download .dl-chips span{
  font-size:13px;padding:7px 17px;border-radius:999px;color:var(--jade-d);
  background:rgba(63,138,114,.1);border:1px solid rgba(63,138,114,.28);
}
.sec-download .dl-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.sec-download .dl-btns .btn{min-width:220px}
@media (max-width:768px){
  .sec-download .dl-card{padding:36px 22px 32px;border-radius:20px}
  .sec-download .dl-desc{font-size:15px}
  .sec-download .dl-btns{flex-direction:column;align-items:stretch;gap:12px}
  .sec-download .dl-btns .btn{width:100%;min-width:0}
}

/* ---------- VIP 宽卡（奖励多时占满整行） ---------- */
.reward-card.wide{grid-column:1 / -1}
.reward-card.wide .rc-title{font-size:28px}
/* 解锁条件 —— 红色醒目条 */
.rc-cond{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:16px 22px;margin-bottom:18px;border-radius:14px;
  background:linear-gradient(135deg,rgba(201,79,61,.12),rgba(156,46,33,.05));
  border:2px solid rgba(201,79,61,.45);
  box-shadow:0 12px 26px -18px rgba(156,46,33,.7);
}
.rc-cond-tag{
  flex-shrink:0;font-size:12.5px;letter-spacing:2px;color:#fff;padding:5px 15px;border-radius:999px;
  background:linear-gradient(135deg,#c94f3d,#9c2e21);
  box-shadow:0 8px 18px -10px rgba(156,46,33,.95);
}
.rc-cond-txt{font-size:clamp(16px,2.1vw,20px);font-weight:700;color:#9c2e21;letter-spacing:.02em}

/* 特权标签 —— 金色发光 */
.rc-tags{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.rc-tags span{
  position:relative;font-size:14px;font-weight:700;letter-spacing:.5px;
  padding:10px 22px 10px 36px;border-radius:999px;color:#5c4408;
  background:linear-gradient(135deg,#f9ecc1,#e2be63);
  border:1px solid #c8a24d;
  animation:vipGlow 2.6s ease-in-out infinite;
}
.rc-tags span::before{
  content:'✦';position:absolute;left:15px;top:50%;transform:translateY(-50%);
  color:#b8871f;font-size:13px;
}
@keyframes vipGlow{
  0%,100%{box-shadow:0 10px 22px -12px rgba(200,162,77,.95)}
  50%{box-shadow:0 12px 30px -10px rgba(200,162,77,1),0 0 0 3px rgba(200,162,77,.18)}
}
.rc-label{
  font-size:13.5px;letter-spacing:1px;font-weight:700;color:var(--jade-d);
  margin-bottom:12px;padding-left:11px;border-left:3px solid var(--jade);
}
.reward-card.wide .rc-list{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
@media (max-width:1024px){ .reward-card.wide .rc-list{grid-template-columns:repeat(3,1fr)} }
@media (max-width:768px){ .reward-card.wide .rc-list{grid-template-columns:repeat(2,1fr)} }

/* ---------- 累充福利：档位列表 ---------- */
.tier-list{max-width:1060px;margin:0 auto;padding:0 22px;display:flex;flex-direction:column;gap:12px}
.tier-row{
  display:grid;grid-template-columns:176px 1fr;gap:22px;align-items:center;
  padding:15px 20px;border-radius:16px;transition:.3s;
  background:linear-gradient(180deg,#fff,#f8f4e9);
  border:1px solid var(--line);box-shadow:0 12px 30px -24px rgba(27,42,38,.55);
}
.tier-row:hover{transform:translateX(5px);border-color:rgba(200,162,77,.6);box-shadow:var(--shadow)}
.tier-lv{
  display:flex;align-items:center;justify-content:center;padding:11px 8px;border-radius:12px;
  font-size:17px;font-weight:700;letter-spacing:.02em;color:#5c4408;text-align:center;
  background:linear-gradient(140deg,#f7e7bc,#e0bd63);border:1px solid rgba(200,162,77,.65);
  box-shadow:0 10px 22px -14px rgba(200,162,77,.95);
}
.tier-rews{display:flex;flex-wrap:wrap;gap:8px}
.tier-rews span{
  font-size:13.5px;padding:7px 14px;border-radius:9px;color:var(--txt);line-height:1.4;
  background:rgba(63,138,114,.07);border:1px solid var(--line);
}
@media (max-width:768px){
  .tier-row{grid-template-columns:1fr;gap:12px;padding:14px 16px}
  .tier-lv{align-self:flex-start;padding:8px 18px;border-radius:999px;font-size:15.5px}
  .tier-rews span{font-size:13px;padding:6px 12px}
}

/* 全民签到：奖励格子（6 项） */
.signin-grid.items{grid-template-columns:repeat(6,1fr)}
.signin-grid.items .sign-card{padding:22px 10px}
.signin-grid.items .sign-rew{font-size:15px}
@media (max-width:1024px){ .signin-grid.items{grid-template-columns:repeat(3,1fr)} }
@media (max-width:768px){ .signin-grid.items{grid-template-columns:repeat(2,1fr)} }

/* 说明性高亮标签（如「在游戏商城领取，每天都可以领」） */
.block-head .head-hl{
  font-size:13.5px;font-weight:700;letter-spacing:.5px;color:#fff;
  padding:7px 17px;border-radius:999px;
  background:linear-gradient(135deg,var(--jade),var(--jade-d));
  box-shadow:0 10px 22px -13px rgba(63,138,114,.95);
}

/* ============================================================
   📱 手机端整体优化
   ① 导航改可直接点的两行  ② 封面完整显示  ③ 字小一点  ④ 更松快
   ============================================================ */
@media (max-width:768px){

  /* ---------- ① 顶部导航：sticky + 可横向滑动的按钮（不再用汉堡） ---------- */
  .nav{position:sticky;top:0}
  .nav-inner{flex-wrap:wrap;padding:7px 14px 0;gap:8px}
  .brand-logo{width:34px;height:34px;border-radius:10px}
  .brand-txt b{font-size:18px;letter-spacing:1px}
  .brand-txt i{font-size:9.5px;letter-spacing:2px}
  .nav-dl{margin-left:auto;padding:7px 15px;font-size:13px}
  .nav-burger{display:none}

  /* 4 个入口：做成「大按钮网格」，一眼就能看到 */
  .nav-links{
    position:static;opacity:1;pointer-events:auto;transform:none;
    order:3;width:100%;margin:0;padding:1px 0 8px;gap:7px;
    background:none;border:none;box-shadow:none;backdrop-filter:none;
    display:grid;grid-template-columns:repeat(4,1fr);overflow:visible;
  }
  .nav-links a{
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
    padding:7px 2px;border-radius:12px;letter-spacing:0;white-space:nowrap;
    font-size:11.5px;font-weight:700;line-height:1.2;
    color:var(--jade-d)!important;text-shadow:none!important;
    background:linear-gradient(180deg,#fff,#edf6f1);
    border:1.5px solid rgba(63,138,114,.42);
    box-shadow:0 8px 18px -12px rgba(27,42,38,.6);
    transition:transform .15s,background .2s;
  }
  .nav-links a::before{
    content:attr(data-ico);
    display:flex;align-items:center;justify-content:center;
    width:20px;height:20px;border-radius:50%;flex:0 0 auto;
    font-size:11px;color:#fff;
    background:linear-gradient(140deg,var(--jade),var(--jade-d));
  }
  .nav-links a:active{
    background:linear-gradient(135deg,var(--jade),var(--jade-d));
    color:#fff!important;transform:scale(.96);
  }
  .nav-links a:active::before{background:rgba(255,255,255,.28)}

  /* ---------- ② 首屏：文字压在图上，图拉长、整体更矮 ---------- */
  .hero{
    display:flex;align-items:flex-end;min-height:0;
    padding:128px 16px 24px;overflow:hidden;
    border-radius:0 0 20px 20px;background:var(--cream);
  }
  .hero-bg{position:absolute;top:0;left:0;right:0;bottom:0;height:auto;margin:0;border-radius:0}
  .hero-bg img{width:100%;height:100%;object-fit:cover;object-position:center 28%;animation:none}
  .hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(180deg,
      rgba(248,245,236,.42) 0%,
      rgba(248,245,236,0) 15%,
      rgba(248,245,236,.2) 36%,
      rgba(248,245,236,.7) 52%,
      rgba(248,245,236,.96) 68%,
      var(--cream) 100%);
  }
  .leaves{display:none}
  .hero-inner{padding-top:0}
  .hero-seal{width:42px;height:42px;border-radius:12px;margin-bottom:8px}
  .hero-seal span{font-size:24px}
  .hero-title{font-size:38px;letter-spacing:.03em}
  .hero-line{width:82px;margin:10px auto 6px}
  .hero-desc{font-size:11.5px;letter-spacing:0}
  .hero-btns{gap:9px;margin-top:16px}
  .hero-btns .btn{flex:1 1 calc(50% - 5px);min-width:0;padding:11px 12px;font-size:13.5px}

  /* ---------- ③ 字号「稍微小一点」 ---------- */
  .sec{padding:40px 16px}
  .sec-features,.sec-sects{padding-top:40px;padding-bottom:40px}
  .ink-title{margin-bottom:24px}
  .ink-title .ink-seal{width:44px;height:44px;font-size:24px;margin-bottom:11px}
  .ink-title h2{font-size:26px;letter-spacing:.12em}
  .ink-title h2::after{width:84px;margin-top:12px}
  .ink-title p{font-size:10.5px;letter-spacing:4px}

  .dl-card{padding:28px 18px 26px;border-radius:18px}
  .sec-download .dl-card h3{font-size:22px}
  .sec-download .dl-desc{font-size:13.5px;line-height:1.9}
  .sec-download .dl-chips{gap:7px;margin:20px 0 24px}
  .sec-download .dl-chips span{font-size:12px;padding:6px 13px}
  .sec-download .dl-btns .btn{font-size:14.5px;padding:13px 16px}

  .block{padding:18px 14px;border-radius:16px}
  .block-head{gap:10px;margin-bottom:16px;padding-bottom:12px}
  .block-head h3{font-size:21px;letter-spacing:1px}
  .block-head span{font-size:11.5px}
  .block-head .head-hl{font-size:12px;padding:6px 14px}
  .code-row{padding:12px;gap:8px}
  .code-val{font-size:15px}
  .code-reward{font-size:13px}
  .code-note{font-size:11.5px}
  .code-copy{font-size:12px;padding:6px 14px}
  .signin-grid.items .sign-card{padding:15px 7px}
  .signin-grid.items .sign-rew{font-size:13px}

  .tab-btn{font-size:15px;padding:8px 17px}
  .sec-recharge .gift-tip{font-size:13px;margin:-24px 0 26px}
  .reward-desc{font-size:12.5px}
  .reward-card{padding:18px 15px;border-radius:15px}
  .rc-title{font-size:20px}
  .rc-sub{font-size:11.5px}
  .rc-list li{font-size:13px;padding:6px 10px}
  .rc-cond{padding:13px 15px;gap:10px}
  .rc-cond-tag{font-size:11.5px;padding:4px 12px}
  .rc-cond-txt{font-size:15px}
  .rc-tags span{font-size:12px;padding:8px 13px 8px 28px}
  .rc-tags span::before{left:12px;font-size:11px}
  .tier-row{padding:13px 14px;gap:10px;border-radius:14px}
  .tier-lv{font-size:14.5px;padding:7px 16px}
  .tier-rews span{font-size:12.5px;padding:5px 11px}

  .shop-card{padding:18px 16px;border-radius:18px}
  .shop-pic{max-width:240px}
  .shop-info h3{font-size:22px}
  .shop-info p{font-size:13.5px;line-height:1.9}
  .shop-tags span{font-size:11.5px;padding:4px 12px}

  .guide-card{padding:18px 16px 16px;border-radius:15px}
  .g-tag{font-size:11px;padding:3px 10px;margin-bottom:9px}
  .guide-card h3{font-size:18px;letter-spacing:.5px}
  .g-desc{font-size:13px;min-height:0;line-height:1.8}
  .g-more{font-size:12px;margin-top:10px}

  .act-tip{font-size:12.5px;margin:-24px 0 28px}
  .tl-item{gap:12px;padding-bottom:16px}
  .tl-dot{width:42px;height:42px;font-size:16px}
  .timeline::before{left:37px}
  .tl-card{padding:15px 16px;border-radius:14px}
  .tl-top h3{font-size:18px;letter-spacing:1px}
  .tl-status{font-size:11px;padding:3px 10px}
  .tl-date{font-size:12px;margin-bottom:6px}
  .tl-card p{font-size:13px;line-height:1.85}

  .sect-art{height:330px;border-radius:18px}
  .sect-ring{width:200px;height:200px}
  .sect-mark{left:14px;font-size:46px;letter-spacing:6px}
  #sectArt{max-height:82%;max-width:80%}
  .sect-nav{width:38px;height:38px}
  .sect-nav img{width:18px;height:18px}
  .sect-panel{padding:20px 18px;border-radius:18px}
  .sect-panel-name{font-size:27px;letter-spacing:2px}
  .sect-panel-char b{font-size:18px}
  .sect-panel-char span{font-size:10px}
  .sect-panel-desc{font-size:13px;line-height:1.9}

  .gallery-row{gap:10px}
  .gallery-tip{font-size:11.5px;margin-top:16px}

  .foot{padding:38px 16px 30px}
  .foot-brand img{width:44px;height:44px}
  .foot-brand b{font-size:19px;letter-spacing:2px}
  .foot-links{font-size:12.5px;gap:16px}
  .foot-warn{font-size:11.5px;line-height:1.8}
  .foot-info{font-size:11px;line-height:1.9}

  .to-top{width:40px;height:40px;right:14px;bottom:18px;font-size:17px;border-radius:12px}
  .modal-article{padding:22px 16px;border-radius:15px}
  .article-head h3{font-size:21px}
  .article-body p{font-size:14px;line-height:1.9}
}

/* 小屏（≤390）再收一点 */
@media (max-width:390px){
  .hero{padding:118px 14px 20px}
  .hero-title{font-size:34px}
  .hero-seal{width:38px;height:38px}
  .hero-seal span{font-size:22px}
  .hero-desc{font-size:11px}
  .ink-title h2{font-size:24px}
  .nav-links a{font-size:11px}
}

/* ============================================================
   锁死浅色：有些手机开了「深色模式/自动深色」会把整页反色
   ============================================================ */
html,body{color-scheme:light only}
@media (prefers-color-scheme: dark){
  html,body{background:#fbf9f2!important;color:#35423c!important}
  .nav{background:rgba(248,245,236,.94)!important}
  .hero{background:var(--cream)!important}
  .card,.block,.reward-card,.guide-card,.tier-row,.dl-card,.login-box{background:#fff!important}
  .foot{background:linear-gradient(180deg,#182722,#111d19)!important}
}

/* ============================================================
   桌面端：4 个入口也更醒目（带小图标 + 药丸底）
   ============================================================ */
html{color-scheme:light}
@media (min-width:769px){
  .nav-links{gap:8px}
  .nav-links a{
    display:flex;align-items:center;gap:7px;
    padding:9px 18px;font-size:15px;font-weight:600;
    background:rgba(63,138,114,.08);
    border:1px solid rgba(63,138,114,.18);
  }
  .nav-links a::before{
    content:attr(data-ico);
    display:flex;align-items:center;justify-content:center;
    width:22px;height:22px;border-radius:50%;flex:0 0 auto;
    font-size:12px;color:#fff;
    background:linear-gradient(140deg,var(--jade),var(--jade-d));
  }
  .nav-links a:hover{background:rgba(63,138,114,.18);color:var(--jade-d)}
}

/* ============================================================
   板块间距收紧（只有电脑端；手机端在下面的手机块里）
   ============================================================ */
@media (min-width:769px){
  .sec{padding:64px 22px}
  .ink-title{margin-bottom:40px}
  .sec-sects,.sec-features{padding-top:64px;padding-bottom:64px}
  .sec-benefits .block{margin-bottom:20px}
  .sec-download .dl-card{padding:40px 36px 36px}
  .sec-recharge .gift-tip{margin:-26px 0 30px}
  .gallery-row{gap:14px}
  .sec-gallery{padding-bottom:56px}
  .foot{padding:44px 22px 34px}
}

/* 页脚（简化版：只有 logo + 一行健康提示） */
.foot .foot-brand{justify-content:center;margin:0 auto 16px}
.foot .foot-brand div{text-align:center}

/* 减少动效偏好 */
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition-duration:.01ms!important}
  .reveal{opacity:1;transform:none}
}