@charset "UTF-8";
/* ============================================================
   赛里木湖 · sailimuhu.org — 高原蓝宝石沉浸式风光主题 2026
   Sapphire Immersion Design · Sayram Lake
   ============================================================ */

:root {
  /* —— 赛里木湖蓝宝石色板 —— */
  --night:        #061a2c;   /* 深空夜蓝 */
  --deep-navy:    #0a2f4d;
  --navy:         #0d3a5f;
  --sapphire:     #0e5f9e;   /* 蓝宝石主色 */
  --lake:         #1678c0;   /* 湖水蓝 */
  --lagoon:       #2f9bd8;   /* 清澈浅湖蓝 */
  --sky:          #5cb8ea;
  --ice:          #d9eefc;
  --snow:         #f7fbff;
  --gold:         #c9a05c;   /* 高原金 */
  --gold-soft:    #e0b877;
  --amber:        #e8a93d;
  --teal:         #1796a6;
  --mint:         #35b99a;
  --rose:         #d96c8f;

  --ink:          #0c2b45;
  --ink-soft:     #3c5a75;
  --muted:        rgba(12,43,69,0.66);
  --faint:        rgba(12,43,69,0.42);

  --glass:        rgba(255,255,255,0.78);
  --glass-strong: rgba(255,255,255,0.94);
  --glass-dark:   rgba(8,32,54,0.42);
  --glass-border: rgba(22,120,192,0.16);

  --grad-lake:    linear-gradient(135deg,#0e5f9e 0%,#1678c0 45%,#2f9bd8 100%);
  --grad-lagoon:  linear-gradient(120deg,#0b7fb4,#2f9bd8 55%,#5cb8ea);
  --grad-gold:    linear-gradient(120deg,#c9a05c,#e0b877 55%,#f0cf8f);
  --grad-night:   linear-gradient(165deg,#071f36,#0a2f4d 55%,#0d3a5f);
  --grad-sunset:  linear-gradient(120deg,#d96c8f,#e8a93d 60%,#e0b877);

  --glow-blue:    0 14px 46px rgba(22,120,192,0.24);
  --glow-gold:    0 10px 34px rgba(201,160,92,0.28);
  --shadow-lg:    0 28px 70px rgba(10,47,77,0.18);
  --shadow-card:  0 14px 38px rgba(10,47,77,0.10);

  --r-xl: 28px;
  --r-lg: 20px;
  --r-md: 14px;
  --r-sm: 10px;
  --r-full: 999px;

  --ease: cubic-bezier(0.22,1,0.36,1);
  --ease-out: cubic-bezier(0.16,1,0.3,1);
  --t-fast: 0.2s ease;
  --t-base: 0.5s var(--ease);
  --t-slow: 0.85s var(--ease);

  --header-h: 78px;
  --font: "Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --font-display: "Noto Sans SC","PingFang SC",system-ui,sans-serif;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;font-size:16px;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--snow);
  color:var(--ink);
  line-height:1.7;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  background-image:
    radial-gradient(ellipse 70% 45% at 12% -5%,rgba(47,155,216,0.10),transparent 55%),
    radial-gradient(ellipse 50% 40% at 95% 6%,rgba(201,160,92,0.08),transparent 50%),
    radial-gradient(ellipse 55% 45% at 50% 102%,rgba(23,150,166,0.07),transparent 55%);
}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block;height:auto}
button,input,textarea,select{font:inherit;color:inherit}
ul,ol{list-style:none}
::selection{background:rgba(22,120,192,0.22);color:var(--ink)}
::-webkit-scrollbar{width:9px}
::-webkit-scrollbar-track{background:#e7f3fb}
::-webkit-scrollbar-thumb{background:linear-gradient(180deg,var(--lake),var(--lagoon));border-radius:5px}

.container{width:min(92%,1240px);margin:0 auto;position:relative;z-index:2}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ============================================================
   AMBIENT LAYERS
   ============================================================ */
#particles-canvas{position:fixed;inset:0;width:100%;height:100%;pointer-events:none;z-index:1;opacity:0.30}
#mouse-glow{
  position:fixed;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,155,216,0.12) 0%,rgba(201,160,92,0.05) 42%,transparent 72%);
  transform:translate(-50%,-50%);pointer-events:none;z-index:9998;opacity:0;
  transition:opacity .45s ease
}
.noise-overlay{
  position:fixed;inset:0;z-index:9997;pointer-events:none;opacity:0.03;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ============================================================
   HEADER — 玻璃导航
   ============================================================ */
.header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  height:var(--header-h);display:flex;align-items:center;
  transition:var(--t-base)
}
.header.scrolled{
  background:rgba(7,31,54,0.82);
  backdrop-filter:blur(22px) saturate(1.5);
  -webkit-backdrop-filter:blur(22px) saturate(1.5);
  border-bottom:1px solid rgba(255,255,255,0.10);
  box-shadow:0 10px 36px rgba(6,26,44,0.28)
}
.header-inner{display:flex;align-items:center;justify-content:space-between;width:100%}

.logo{display:flex;align-items:center;gap:12px;z-index:2}
.logo-mark{
  width:44px;height:44px;border-radius:14px;
  background:var(--grad-lake);
  color:#fff;display:grid;place-items:center;font-size:1.1rem;
  box-shadow:0 8px 22px rgba(14,95,158,0.45);
  position:relative;overflow:hidden;
  border:1px solid rgba(255,255,255,0.25)
}
.logo-mark svg{width:24px;height:24px}
.logo-mark::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent 30%,rgba(255,255,255,0.5),transparent 70%);
  transform:translateX(-120%);animation:logoShine 4.5s ease infinite
}
@keyframes logoShine{0%,60%{transform:translateX(-120%)}100%{transform:translateX(120%)}}
.logo-text{
  font-size:1.35rem;font-weight:800;letter-spacing:0.08em;color:#fff;
  text-shadow:0 2px 12px rgba(6,26,44,0.4)
}
.logo-text em{font-style:normal;color:var(--gold-soft)}
.logo-tag{
  font-size:.6rem;font-weight:700;letter-spacing:0.16em;
  padding:4px 10px;border-radius:var(--r-full);
  background:rgba(201,160,92,0.2);border:1px solid rgba(224,184,119,0.5);
  color:var(--gold-soft);text-shadow:none
}
.header.scrolled .logo-text{color:var(--ice)}

.nav-desktop{display:flex;align-items:center;gap:4px}
.nav-desktop a{
  position:relative;padding:10px 18px;font-size:.9rem;font-weight:500;
  color:rgba(247,251,255,0.92);border-radius:var(--r-full);transition:var(--t-fast);
  text-shadow:0 1px 6px rgba(6,26,44,0.35)
}
.nav-desktop a::after{
  content:"";position:absolute;left:50%;bottom:4px;width:0;height:2px;
  background:var(--grad-gold);border-radius:2px;
  transform:translateX(-50%);transition:width .3s var(--ease)
}
.nav-desktop a:hover{color:#fff;background:rgba(255,255,255,0.12)}
.nav-desktop a:hover::after{width:18px}
.nav-desktop a.active{
  color:#fff;font-weight:700;
  background:rgba(255,255,255,0.16);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,0.28)
}
.nav-desktop a.active::after{width:18px}
.nav-cta{
  margin-left:10px!important;padding:10px 24px!important;
  color:#fff!important;font-weight:700!important;text-shadow:none!important;
  background:var(--grad-gold)!important;
  box-shadow:0 8px 24px rgba(201,160,92,0.4)!important
}
.nav-cta:hover{transform:translateY(-2px);filter:brightness(1.06)}

.menu-toggle{
  display:none;flex-direction:column;gap:6px;padding:11px;
  background:rgba(255,255,255,0.14);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,0.3);border-radius:12px;cursor:pointer;
  box-shadow:0 6px 18px rgba(6,26,44,0.2)
}
.menu-toggle span{display:block;width:22px;height:2px;background:#fff;border-radius:2px;transition:var(--t-fast)}
.menu-toggle.active span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}
.mobile-menu{
  display:none;position:absolute;top:100%;left:0;right:0;
  padding:16px 4% 30px;
  background:rgba(7,31,54,0.97);backdrop-filter:blur(24px);
  border-bottom:1px solid rgba(255,255,255,0.1);flex-direction:column;gap:4px;
  box-shadow:0 24px 50px rgba(6,26,44,0.35)
}
.mobile-menu.open{display:flex}
.mobile-menu a{
  padding:16px 20px;font-size:1.05rem;font-weight:500;color:var(--ice);
  border-radius:var(--r-md);border:1px solid transparent;transition:var(--t-fast)
}
.mobile-menu a:hover,.mobile-menu a.active{
  color:#fff;background:rgba(47,155,216,0.18);border-color:rgba(255,255,255,0.14)
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:16px 34px;border-radius:var(--r-full);font-size:.98rem;font-weight:700;
  letter-spacing:0.05em;cursor:pointer;border:none;line-height:1.4;
  transition:transform var(--t-base),box-shadow var(--t-base),background var(--t-fast);
  position:relative;overflow:hidden
}
.btn::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,transparent,rgba(255,255,255,0.35),transparent);
  transform:translateX(-130%);transition:transform .65s var(--ease)
}
.btn:hover::after{transform:translateX(130%)}
.btn:hover{transform:translateY(-3px)}
.btn:active{transform:translateY(-1px)}
.btn-primary{color:#fff;background:var(--grad-lagoon);box-shadow:0 10px 30px rgba(14,95,158,0.38)}
.btn-primary:hover{box-shadow:0 16px 46px rgba(22,120,192,0.5)}
.btn-secondary{
  color:var(--navy);
  background:rgba(255,255,255,0.9);backdrop-filter:blur(14px);
  border:1px solid rgba(14,95,158,0.22);
  box-shadow:0 6px 20px rgba(10,47,77,0.08)
}
.btn-secondary:hover{border-color:rgba(22,120,192,0.5);box-shadow:var(--glow-blue)}
.btn-gold{color:#fff;background:var(--grad-gold);background-size:180% auto;box-shadow:0 10px 30px rgba(201,160,92,0.4)}
.btn-gold:hover{background-position:100% center}
.btn-ghost{
  color:#fff;background:rgba(255,255,255,0.14);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,0.42);text-shadow:0 1px 8px rgba(6,26,44,0.3)
}
.btn-ghost:hover{background:rgba(255,255,255,0.24);border-color:#fff}

/* ============================================================
   SECTIONS
   ============================================================ */
.section{padding:110px 0;position:relative;z-index:2}
.section-tight{padding:84px 0}
.section.alt{background:linear-gradient(180deg,#eef7fd 0%,#e3f1fb 100%)}
.section-header{text-align:center;margin-bottom:60px;max-width:760px;margin-left:auto;margin-right:auto}
.section-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 18px;margin-bottom:18px;
  font-size:.74rem;font-weight:800;letter-spacing:0.22em;text-transform:uppercase;
  color:var(--sapphire);
  background:linear-gradient(90deg,rgba(14,95,158,0.08),rgba(201,160,92,0.1));
  border:1px solid rgba(14,95,158,0.18);border-radius:var(--r-full)
}
.section-badge::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--grad-gold)}
.section-title{
  font-size:clamp(1.95rem,4.6vw,3.1rem);font-weight:900;line-height:1.18;
  letter-spacing:0.02em;margin-bottom:16px;color:var(--navy)
}
.section-title .grad{
  background:var(--grad-lake);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text
}
.section-title .grad-gold{
  background:var(--grad-gold);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text
}
.section-sub{font-size:1.06rem;color:var(--muted);line-height:1.8}

/* ============================================================
   HERO — 全屏湖景
   ============================================================ */
.hero{
  position:relative;min-height:100vh;min-height:100dvh;
  display:flex;align-items:center;justify-content:center;
  padding:calc(var(--header-h) + 40px) 0 110px;overflow:hidden;z-index:2;
  color:#fff
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background:url("../images/sayram-hero.jpg") center 40%/cover no-repeat;
  transform:scale(1.05)
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(6,26,44,0.52) 0%,rgba(6,26,44,0.18) 35%,rgba(6,26,44,0.34) 62%,rgba(6,26,44,0.9) 100%),
    radial-gradient(ellipse 70% 60% at 50% 30%,transparent 30%,rgba(6,26,44,0.35) 100%)
}
.hero-orb{
  position:absolute;border-radius:50%;filter:blur(70px);pointer-events:none;z-index:1
}
.hero-orb-1{width:min(60vw,520px);height:min(60vw,520px);top:2%;right:-6%;background:radial-gradient(circle,rgba(92,184,234,0.28),transparent 70%);animation:orbFloat 13s ease-in-out infinite}
.hero-orb-2{width:min(46vw,380px);height:min(46vw,380px);bottom:16%;left:-4%;background:radial-gradient(circle,rgba(201,160,92,0.22),transparent 70%);animation:orbFloat 16s ease-in-out infinite reverse}
.hero-orb-3{width:min(36vw,300px);height:min(36vw,300px);top:38%;left:32%;background:radial-gradient(circle,rgba(23,150,166,0.26),transparent 70%);animation:orbFloat 11s ease-in-out infinite 2s}
@keyframes orbFloat{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(22px,-32px) scale(1.08)}}

.hero-grid{
  position:absolute;inset:0;z-index:1;opacity:0.14;
  background-image:
    linear-gradient(rgba(255,255,255,0.35) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.35) 1px,transparent 1px);
  background-size:72px 72px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 15%,transparent 75%);
  -webkit-mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,#000 15%,transparent 75%)
}
.hero-content{position:relative;z-index:5;text-align:center;max-width:940px;padding:0 20px}
.hero-badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:10px 24px;margin-bottom:30px;
  background:rgba(255,255,255,0.14);backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,0.35);border-radius:var(--r-full);
  font-size:.82rem;font-weight:600;letter-spacing:0.14em;
  color:#fff;box-shadow:0 8px 28px rgba(6,26,44,0.25);
  animation:fadeUp .9s var(--ease-out) .15s both
}
.hero-badge-dot{width:8px;height:8px;border-radius:50%;background:#7ce0b8;box-shadow:0 0 14px rgba(53,185,154,0.9);animation:pulseDot 2s ease-in-out infinite}
@keyframes pulseDot{0%,100%{box-shadow:0 0 0 0 rgba(53,185,154,0.5)}50%{box-shadow:0 0 0 10px rgba(53,185,154,0)}}

.hero-title{font-family:var(--font-display);font-weight:900;line-height:1.06;letter-spacing:0.03em;margin-bottom:14px;font-size:clamp(2.9rem,9vw,6rem);animation:fadeUp 1s var(--ease-out) .3s both;text-shadow:0 4px 30px rgba(6,26,44,0.45)}
.hero-title .line-main{display:block}
.hero-title .line-accent{
  display:block;margin-top:8px;
  font-size:clamp(1.7rem,5vw,3.1rem);font-weight:700;
  background:var(--grad-gold);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  filter:drop-shadow(0 4px 18px rgba(6,26,44,0.5))
}
.hero-type{
  display:flex;align-items:center;justify-content:center;gap:4px;
  min-height:2em;margin:10px 0 22px;
  font-size:clamp(1.05rem,2.5vw,1.45rem);font-weight:500;
  color:var(--ice);letter-spacing:0.2em;
  animation:fadeUp 1s var(--ease-out) .45s both
}
.hero-cursor{display:inline-block;width:2px;height:1.2em;background:var(--grad-gold);animation:blink 1s step-end infinite;vertical-align:middle}
@keyframes blink{50%{opacity:0}}
.hero-desc{
  font-size:clamp(1rem,2vw,1.18rem);color:rgba(236,247,255,0.92);
  max-width:680px;margin:0 auto 38px;line-height:1.9;
  animation:fadeUp 1s var(--ease-out) .55s both;
  text-shadow:0 2px 14px rgba(6,26,44,0.5)
}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;animation:fadeUp 1s var(--ease-out) .7s both}
.hero-stats{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:52px;animation:fadeUp 1s var(--ease-out) .9s both}
.hero-stat{
  min-width:130px;padding:18px 24px;
  background:rgba(255,255,255,0.12);backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,0.24);border-radius:var(--r-lg);
  box-shadow:0 10px 32px rgba(6,26,44,0.22);
  transition:var(--t-base)
}
.hero-stat:hover{transform:translateY(-5px);border-color:rgba(224,184,119,0.6);box-shadow:0 16px 44px rgba(6,26,44,0.35)}
.hero-stat strong{display:block;font-size:1.6rem;font-weight:800;background:var(--grad-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-stat span{font-size:.78rem;color:rgba(236,247,255,0.78);letter-spacing:0.08em}
.hero-scroll{
  position:absolute;bottom:34px;left:50%;transform:translateX(-50%);
  z-index:6;display:flex;flex-direction:column;align-items:center;gap:10px;
  color:rgba(236,247,255,0.85);font-size:.72rem;letter-spacing:0.24em;opacity:0.8;
  animation:fadeUp 1.2s var(--ease-out) 1.2s both
}
.scroll-mouse{width:26px;height:40px;border:2px solid rgba(255,255,255,0.55);border-radius:14px;position:relative}
.scroll-mouse::after{content:"";position:absolute;top:8px;left:50%;width:3px;height:8px;background:var(--grad-gold);border-radius:2px;transform:translateX(-50%);animation:scrollWheel 2s ease-in-out infinite}
@keyframes scrollWheel{0%{opacity:1;transform:translateX(-50%) translateY(0)}100%{opacity:0;transform:translateX(-50%) translateY(14px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(38px)}to{opacity:1;transform:translateY(0)}}

/* ============================================================
   PAGE HERO — 内页横幅
   ============================================================ */
.page-hero{position:relative;padding:calc(var(--header-h) + 86px) 0 90px;overflow:hidden;z-index:2;text-align:center;color:#fff}
.page-hero .hero-bg{position:absolute;inset:0;z-index:0}
.page-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(6,26,44,0.6) 0%,rgba(6,26,44,0.38) 55%,rgba(6,26,44,0.82) 100%)
}
.page-hero .hero-orb{position:absolute;border-radius:50%;filter:blur(70px);z-index:1;pointer-events:none}
.page-hero .hero-content{position:relative;z-index:3;max-width:840px;margin:0 auto;padding:0 20px}
.page-hero h1{
  font-size:clamp(2.3rem,6vw,3.8rem);font-weight:900;letter-spacing:0.04em;
  margin-bottom:14px;text-shadow:0 4px 26px rgba(6,26,44,0.5);
  animation:fadeUp .8s var(--ease-out) .2s both
}
.page-hero p{font-size:1.12rem;color:rgba(236,247,255,0.92);animation:fadeUp .8s var(--ease-out) .35s both}
.breadcrumb{
  display:flex;justify-content:center;gap:8px;flex-wrap:wrap;
  margin-bottom:22px;font-size:.84rem;color:rgba(236,247,255,0.7);
  animation:fadeUp .8s var(--ease-out) .05s both
}
.breadcrumb a{color:rgba(236,247,255,0.92);transition:var(--t-fast);text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px}
.breadcrumb a:hover{color:var(--gold-soft);text-decoration-color:var(--gold-soft)}
.breadcrumb span{color:rgba(236,247,255,0.6)}
.page-hero .chip{background:rgba(255,255,255,0.14);border-color:rgba(255,255,255,0.28);color:#fff;backdrop-filter:blur(10px)}
.page-hero .chip:hover{color:#fff;background:var(--grad-gold);border-color:transparent}

/* 各内页横幅背景 */
.page-about .hero-bg{background:url("../images/sayram-about.jpg") center/cover no-repeat}
.page-scenic .hero-bg{background:url("../images/sayram-mountains.jpg") center/cover no-repeat}
.page-experiences .hero-bg{background:url("../images/sayram-cycling.jpg") center/cover no-repeat}
.page-travel .hero-bg{background:url("../images/sayram-lakeshore.jpg") center/cover no-repeat}
.page-transport .hero-bg{background:url("../images/sayram-ring-road.jpg") center/cover no-repeat}
.page-stay .hero-bg{background:url("../images/sayram-yurt.jpg") center/cover no-repeat}
.page-contact .hero-bg{background:url("../images/sayram-sunset.jpg") center/cover no-repeat}

/* ============================================================
   MARQUEE
   ============================================================ */
.marquee-wrap{
  overflow:hidden;padding:20px 0;position:relative;z-index:2;
  background:var(--grad-night);
  border-top:1px solid rgba(255,255,255,0.08);
  border-bottom:1px solid rgba(255,255,255,0.08)
}
.marquee{display:flex;gap:48px;width:max-content;animation:marquee 42s linear infinite}
.marquee span{font-size:1.02rem;font-weight:600;letter-spacing:0.14em;color:rgba(236,247,255,0.75);white-space:nowrap}
.marquee span i{font-style:normal;margin:0 10px;background:var(--grad-gold);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
@keyframes marquee{to{transform:translateX(-50%)}}

/* ============================================================
   BENTO / FEATURE GRID
   ============================================================ */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.bento-item{
  position:relative;overflow:hidden;
  background:var(--glass);backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border:1px solid var(--glass-border);border-radius:var(--r-xl);
  padding:34px 30px;transition:var(--t-base);
  box-shadow:var(--shadow-card);
  opacity:0;transform:translateY(30px)
}
.bento-item.visible{opacity:1;transform:translateY(0)}
.bento-item:hover{transform:translateY(-7px);border-color:rgba(14,95,158,0.34);box-shadow:var(--shadow-lg),var(--glow-blue)}
.bento-item::before{content:"";position:absolute;top:0;left:8%;right:8%;height:2px;background:linear-gradient(90deg,transparent,rgba(47,155,216,0.5),transparent)}
.bento-lg{grid-column:span 7;min-height:300px}
.bento-md{grid-column:span 5}
.bento-sm{grid-column:span 4}
.bento-wide{grid-column:span 8}
.bento-tall{grid-column:span 4;min-height:100%}
.bento-icon{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  font-size:1.6rem;margin-bottom:20px;
  background:linear-gradient(145deg,rgba(14,95,158,0.14),rgba(201,160,92,0.12));
  border:1px solid rgba(14,95,158,0.16)
}
.bento-item h3{font-size:1.28rem;font-weight:800;margin-bottom:12px;color:var(--navy)}
.bento-item p{font-size:.93rem;color:var(--muted);line-height:1.8}
.bento-item.featured{
  background:linear-gradient(145deg,#e8f4fc,#f4fafe);
  border-color:rgba(14,95,158,0.22)
}
.bento-item.gold-edge{border-top:3px solid var(--gold)}
.bento-item.cyan-edge{border-top:3px solid var(--lagoon)}
.bento-item.violet-edge{border-top:3px solid #7a6fd0}
.bento-bg-img{position:absolute;inset:0;z-index:0}
.bento-bg-img img{width:100%;height:100%;object-fit:cover;opacity:0.62;transition:var(--t-slow)}
.bento-item:hover .bento-bg-img img{transform:scale(1.09);opacity:0.75}
.bento-bg-img::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(247,251,255,0.97) 0%,rgba(232,244,252,0.6) 45%,transparent 100%)}
.bento-content{position:relative;z-index:1;height:100%;display:flex;flex-direction:column;justify-content:flex-end}

/* ============================================================
   STATS STRIP
   ============================================================ */
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  text-align:center;padding:40px 22px;
  background:var(--glass);backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);border-radius:var(--r-xl);
  box-shadow:var(--shadow-card);
  position:relative;overflow:hidden;transition:var(--t-base)
}
.stat-card::before{
  content:"";position:absolute;top:-60%;left:-60%;width:220%;height:220%;
  background:conic-gradient(from 0deg,transparent,rgba(47,155,216,0.08),transparent 28%);
  animation:spinSlow 14s linear infinite;opacity:0;transition:opacity .45s
}
.stat-card:hover::before{opacity:1}
.stat-card:hover{transform:translateY(-5px);border-color:rgba(14,95,158,0.32);box-shadow:var(--shadow-lg)}
@keyframes spinSlow{to{transform:rotate(360deg)}}
.stat-num{
  display:block;font-size:clamp(2.1rem,4vw,2.9rem);font-weight:900;
  background:var(--grad-lake);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  position:relative
}
.stat-label{margin-top:10px;font-size:.9rem;color:var(--muted);font-weight:500}

/* ============================================================
   SHOWCASE / GALLERY
   ============================================================ */
.showcase{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.showcase-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:4/5;cursor:pointer;
  box-shadow:var(--shadow-card);
  opacity:0;transform:translateY(26px);transition:var(--t-base)
}
.showcase-card.visible{opacity:1;transform:translateY(0)}
.showcase-card:nth-child(2){margin-top:34px}
.showcase-card:nth-child(5){margin-top:34px}
.showcase-card img{width:100%;height:100%;object-fit:cover;transition:transform 1.1s var(--ease)}
.showcase-card:hover img{transform:scale(1.13)}
.showcase-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(6,26,44,0.9) 0%,rgba(6,26,44,0.3) 45%,transparent 72%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:30px;
  transition:var(--t-base)
}
.showcase-tag{
  display:inline-flex;align-self:flex-start;
  padding:6px 14px;margin-bottom:12px;border-radius:var(--r-full);
  font-size:.72rem;font-weight:700;letter-spacing:0.1em;
  background:var(--grad-gold);color:#fff;
  box-shadow:0 6px 18px rgba(201,160,92,0.4)
}
.showcase-overlay h3{font-size:1.25rem;font-weight:800;margin-bottom:8px;color:#fff}
.showcase-overlay p{font-size:.88rem;color:rgba(236,247,255,0.82);line-height:1.6;
  max-height:0;opacity:0;overflow:hidden;transition:var(--t-base)}
.showcase-card:hover .showcase-overlay p{max-height:90px;opacity:1;margin-top:6px}
.showcase-card:hover{box-shadow:0 24px 60px rgba(6,26,44,0.28)}

/* ============================================================
   QUOTE
   ============================================================ */
.quote-block{text-align:center;padding:30px 0;position:relative}
.quote-block::before{
  content:'“';font-size:9rem;line-height:1;font-weight:900;
  position:absolute;top:-34px;left:50%;transform:translateX(-50%);
  background:linear-gradient(180deg,rgba(14,95,158,0.22),transparent);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;
  pointer-events:none
}
.quote-text{
  position:relative;font-size:clamp(1.2rem,2.9vw,1.75rem);
  font-weight:300;font-style:italic;line-height:1.8;
  max-width:820px;margin:0 auto 22px;color:var(--navy)
}
.quote-author{font-size:.9rem;color:var(--gold);letter-spacing:0.26em;font-weight:600}

/* ============================================================
   TIMELINE
   ============================================================ */
.timeline{position:relative;max-width:760px;margin:0 auto;padding-left:40px}
.timeline::before{content:"";position:absolute;left:9px;top:0;bottom:0;width:3px;border-radius:3px;background:linear-gradient(180deg,var(--gold),var(--lake),var(--lagoon),transparent)}
.timeline-item{position:relative;margin-bottom:38px;opacity:0;transform:translateX(-18px);transition:var(--t-slow)}
.timeline-item.visible{opacity:1;transform:translateX(0)}
.timeline-dot{
  position:absolute;left:-36px;top:8px;width:16px;height:16px;border-radius:50%;
  background:var(--grad-gold);
  box-shadow:0 0 16px rgba(201,160,92,0.55);
  border:3px solid #fff
}
.timeline-body{
  padding:26px 30px;border-radius:var(--r-lg);
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card)
}
.timeline-body h3{font-size:1.12rem;font-weight:800;color:var(--sapphire);margin-bottom:10px}
.timeline-body p{font-size:.94rem;color:var(--muted);line-height:1.8}

/* ============================================================
   GUIDE / TIPS
   ============================================================ */
.guide-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.guide-card{
  padding:34px 30px;border-radius:var(--r-xl);
  background:var(--glass);backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);transition:var(--t-base);
  opacity:0;transform:translateY(26px)
}
.guide-card.visible{opacity:1;transform:translateY(0)}
.guide-card:hover{transform:translateY(-6px);border-color:rgba(14,95,158,0.32);box-shadow:var(--shadow-lg)}
.guide-card:nth-child(1){border-top:3px solid var(--gold)}
.guide-card:nth-child(2){border-top:3px solid var(--lagoon)}
.guide-card:nth-child(3){border-top:3px solid var(--sapphire)}
.guide-card:nth-child(4){border-top:3px solid var(--rose)}
.guide-icon{font-size:2.4rem;margin-bottom:16px;filter:drop-shadow(0 6px 14px rgba(14,95,158,0.18))}
.guide-card h3{font-size:1.2rem;font-weight:800;margin-bottom:12px;color:var(--navy)}
.guide-card p{font-size:.92rem;color:var(--muted);margin-bottom:14px;line-height:1.75}
.guide-card ul li{position:relative;padding:7px 0 7px 22px;font-size:.9rem;color:var(--ink-soft)}
.guide-card ul li::before{content:"◆";position:absolute;left:0;color:var(--gold);font-size:.62rem;top:11px}

.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tip-card{
  padding:30px 24px;border-radius:var(--r-lg);
  background:var(--glass);backdrop-filter:blur(14px);
  border:1px solid var(--glass-border);box-shadow:var(--shadow-card);
  transition:var(--t-base);
  opacity:0;transform:translateY(22px)
}
.tip-card.visible{opacity:1;transform:translateY(0)}
.tip-card:hover{transform:translateY(-5px);border-color:rgba(14,95,158,0.34);box-shadow:var(--glow-blue)}
.tip-icon{font-size:1.9rem;margin-bottom:14px}
.tip-card h3{font-size:1.04rem;font-weight:800;margin-bottom:10px;color:var(--navy)}
.tip-card p{font-size:.88rem;color:var(--muted);line-height:1.7}

/* ============================================================
   JOURNEY
   ============================================================ */
.journey-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.journey-card{
  display:flex;gap:20px;padding:28px;border-radius:var(--r-xl);
  background:var(--glass);backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);
  transition:var(--t-base);opacity:0;transform:translateY(22px)
}
.journey-card.visible{opacity:1;transform:translateY(0)}
.journey-card:hover{transform:translateY(-5px);border-color:rgba(14,95,158,0.34);box-shadow:var(--glow-blue)}
.journey-icon{
  flex-shrink:0;width:56px;height:56px;border-radius:16px;
  display:grid;place-items:center;font-size:1.6rem;
  background:linear-gradient(145deg,rgba(14,95,158,0.16),rgba(201,160,92,0.12))
}
.journey-info h3{font-size:1.14rem;font-weight:800;margin-bottom:8px;color:var(--navy)}
.journey-info p{font-size:.9rem;color:var(--muted);line-height:1.65;margin-bottom:10px}
.route-steps li{padding:5px 0 5px 18px;position:relative;font-size:.86rem;color:var(--ink-soft)}
.route-steps li::before{content:"▸";position:absolute;left:0;color:var(--gold)}

/* ============================================================
   CHIPS
   ============================================================ */
.chip-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-full);
  font-size:.92rem;font-weight:600;color:var(--navy);
  background:var(--glass);backdrop-filter:blur(12px);
  border:1px solid var(--glass-border);
  box-shadow:0 4px 14px rgba(10,47,77,0.06);
  transition:var(--t-base);cursor:pointer;text-decoration:none
}
.chip:hover{
  color:#fff;border-color:transparent;
  background:var(--grad-lagoon);
  transform:translateY(-3px);box-shadow:var(--glow-blue)
}

/* ============================================================
   ABOUT SPLIT
   ============================================================ */
.about-split{display:grid;grid-template-columns:1.05fr 0.95fr;gap:60px;align-items:center}
.about-copy h2{
  font-size:clamp(1.65rem,3vw,2.3rem);font-weight:900;margin-bottom:22px;
  background:var(--grad-lake);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text
}
.about-copy p{font-size:1rem;color:var(--muted);margin-bottom:18px;line-height:1.9}
.about-copy .section-badge{margin-bottom:16px}
.about-visual{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:4/5;box-shadow:var(--shadow-lg)
}
.about-visual img{width:100%;height:100%;object-fit:cover}
.about-visual::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(135deg,rgba(14,95,158,0.16),transparent 50%,rgba(201,160,92,0.12));pointer-events:none}
.about-float{
  position:absolute;z-index:2;bottom:26px;left:26px;right:26px;
  padding:18px 22px;border-radius:var(--r-md);
  background:rgba(247,251,255,0.9);backdrop-filter:blur(18px);
  border:1px solid rgba(255,255,255,0.9);
  box-shadow:0 12px 30px rgba(6,26,44,0.18)
}
.about-float strong{display:block;font-size:1.14rem;color:var(--sapphire)}
.about-float span{font-size:.84rem;color:var(--muted)}

/* ============================================================
   IMAGE CARDS（带图卡片组）
   ============================================================ */
.img-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.img-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:3/2;box-shadow:var(--shadow-card);
  opacity:0;transform:translateY(24px);transition:var(--t-base)
}
.img-card.visible{opacity:1;transform:translateY(0)}
.img-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.img-card img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.img-card:hover img{transform:scale(1.1)}
.img-card-info{
  position:absolute;inset:auto 0 0 0;padding:20px 22px;
  background:linear-gradient(to top,rgba(6,26,44,0.9),transparent);
  color:#fff
}
.img-card-info h3{font-size:1.1rem;font-weight:800;margin-bottom:4px}
.img-card-info p{font-size:.82rem;color:rgba(236,247,255,0.8)}
.img-card .tag{
  position:absolute;top:16px;left:16px;z-index:2;
  padding:5px 13px;border-radius:var(--r-full);
  font-size:.72rem;font-weight:700;
  background:var(--grad-gold);color:#fff;box-shadow:0 6px 16px rgba(201,160,92,0.4)
}

/* ============================================================
   CONTACT / FORM
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:56px}
.contact-card{
  text-align:center;padding:32px 20px;border-radius:var(--r-xl);
  background:var(--glass);backdrop-filter:blur(16px);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-card);transition:var(--t-base)
}
.contact-card:hover{transform:translateY(-5px);border-color:rgba(14,95,158,0.32);box-shadow:var(--glow-blue)}
.contact-card .icon{
  width:58px;height:58px;margin:0 auto 14px;border-radius:18px;
  display:grid;place-items:center;font-size:1.6rem;
  background:linear-gradient(145deg,rgba(14,95,158,0.14),rgba(201,160,92,0.12))
}
.contact-card h3{font-size:1rem;font-weight:800;margin-bottom:8px;color:var(--navy)}
.contact-card p{font-size:.86rem;color:var(--muted);line-height:1.6}
.contact-card a{color:var(--sapphire);font-weight:600}
.contact-card a:hover{color:var(--gold);text-decoration:underline;text-underline-offset:3px}

.form-shell{
  max-width:660px;margin:0 auto;padding:48px 44px;
  border-radius:var(--r-xl);
  background:var(--glass-strong);backdrop-filter:blur(22px);
  border:1px solid var(--glass-border);
  box-shadow:var(--shadow-lg)
}
.form-shell h2{text-align:center;font-size:1.5rem;font-weight:900;margin-bottom:8px;color:var(--navy)}
.form-shell > p{text-align:center;color:var(--muted);font-size:.92rem;margin-bottom:30px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.84rem;font-weight:700;margin-bottom:9px;color:var(--ink-soft)}
.form-group input,.form-group textarea,.form-group select{
  width:100%;padding:15px 17px;
  background:#f2f8fd;
  border:1px solid rgba(14,95,158,0.16);border-radius:var(--r-md);
  color:var(--ink);transition:var(--t-fast)
}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--faint)}
.form-group input:focus,.form-group textarea:focus,.form-group select:focus{
  outline:none;border-color:var(--lake);
  box-shadow:0 0 0 4px rgba(22,120,192,0.14);
  background:#fff
}
.form-group textarea{min-height:140px;resize:vertical}
.form-group select option{background:#fff;color:var(--ink)}
.submit-btn{
  width:100%;padding:17px;border:none;border-radius:var(--r-full);
  font-size:1.02rem;font-weight:800;letter-spacing:0.1em;cursor:pointer;
  color:#fff;
  background:var(--grad-lagoon);
  box-shadow:0 10px 30px rgba(14,95,158,0.34);
  transition:var(--t-base)
}
.submit-btn:hover{transform:translateY(-2px);box-shadow:0 16px 42px rgba(22,120,192,0.46)}

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band{
  position:relative;padding:78px 0;text-align:center;overflow:hidden;
  border-radius:var(--r-xl);
  background:
    linear-gradient(120deg,rgba(8,40,64,0.06),rgba(247,251,255,0.92),rgba(254,244,214,0.65));
  border:1px solid rgba(14,95,158,0.16);
  box-shadow:var(--shadow-lg),var(--glow-blue)
}
.cta-band h2{font-size:clamp(1.7rem,3.6vw,2.5rem);font-weight:900;margin-bottom:14px;color:var(--navy)}
.cta-band p{color:var(--muted);margin-bottom:30px;max-width:540px;margin-left:auto;margin-right:auto;font-size:1.02rem}

/* ============================================================
   FOOTER — 深蓝宝石
   ============================================================ */
.footer{
  position:relative;z-index:2;padding:90px 0 34px;color:rgba(236,247,255,0.8);
  background:var(--grad-night)
}
.footer::before{content:"";position:absolute;top:0;left:8%;right:8%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),var(--lake),var(--lagoon),transparent)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:44px;margin-bottom:52px}
.footer-brand .logo-text{font-size:1.3rem}
.footer-brand p{color:rgba(236,247,255,0.66);font-size:.92rem;margin:18px 0 22px;line-height:1.9;max-width:330px}
.footer-socials{display:flex;gap:12px}
.footer-socials a{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;font-size:.9rem;font-weight:700;
  background:rgba(255,255,255,0.08);border:1px solid rgba(255,255,255,0.16);
  color:rgba(236,247,255,0.85);transition:var(--t-fast);box-shadow:0 6px 16px rgba(6,26,44,0.2)
}
.footer-socials a:hover{
  color:#fff;border-color:transparent;
  background:var(--grad-gold);
  transform:translateY(-3px)
}
.footer-col h4{
  font-size:.94rem;font-weight:800;margin-bottom:20px;letter-spacing:0.12em;
  color:#fff
}
.footer-col h4::after{content:"";display:block;width:26px;height:2px;margin-top:8px;background:var(--grad-gold);border-radius:2px}
.footer-col a{
  display:block;padding:8px 0;font-size:.9rem;color:rgba(236,247,255,0.6);
  transition:var(--t-fast)
}
.footer-col a:hover{color:var(--gold-soft);transform:translateX(5px)}
.footer-bottom{
  padding-top:30px;border-top:1px solid rgba(255,255,255,0.1);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:.82rem;color:rgba(236,247,255,0.5)
}
.footer-bottom a{color:rgba(224,184,119,0.9)}
.footer-bottom a:hover{color:var(--gold-soft)}

/* ============================================================
   WAVE 分隔
   ============================================================ */
.wave{position:relative;height:90px;margin-top:-1px;overflow:hidden;z-index:3}
.wave svg{position:absolute;bottom:0;left:0;width:100%;height:100%}
.wave-fill{fill:#fff}
.wave-lake{fill:#eaf5fc}

/* ============================================================
   LIGHTBOX
   ============================================================ */
.lightbox{
  position:fixed;inset:0;z-index:9999;display:none;align-items:center;justify-content:center;
  background:rgba(6,26,44,0.92);backdrop-filter:blur(14px);
  cursor:zoom-out
}
.lightbox.open{display:flex}
.lightbox img{
  max-width:min(92vw,1200px);max-height:84vh;border-radius:var(--r-lg);
  box-shadow:0 30px 90px rgba(0,0,0,0.5);
  animation:fadeUp .4s var(--ease-out) both
}
.lightbox-caption{
  position:absolute;bottom:6vh;left:50%;transform:translateX(-50%);
  color:#fff;font-size:.92rem;letter-spacing:0.06em;
  background:rgba(6,26,44,0.5);padding:8px 20px;border-radius:var(--r-full)
}
.lightbox-close{
  position:absolute;top:22px;right:26px;width:46px;height:46px;border-radius:50%;
  background:rgba(255,255,255,0.14);border:1px solid rgba(255,255,255,0.3);
  color:#fff;font-size:1.3rem;cursor:pointer;display:grid;place-items:center;
  transition:var(--t-fast)
}
.lightbox-close:hover{background:var(--grad-gold);border-color:transparent}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-top{
  position:fixed;right:26px;bottom:26px;z-index:990;
  width:50px;height:50px;border-radius:16px;
  background:var(--grad-lake);color:#fff;font-size:1.15rem;
  display:grid;place-items:center;cursor:pointer;border:none;
  box-shadow:0 12px 32px rgba(14,95,158,0.42);
  opacity:0;transform:translateY(20px);pointer-events:none;
  transition:var(--t-base)
}
.back-top.show{opacity:1;transform:translateY(0);pointer-events:auto}
.back-top:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(14,95,158,0.55)}

/* ============================================================
   SEASON CARDS（季节色块）
   ============================================================ */
.season-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.season-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  aspect-ratio:4/3;box-shadow:var(--shadow-card);cursor:pointer;
  opacity:0;transform:translateY(24px);transition:var(--t-base)
}
.season-card.visible{opacity:1;transform:translateY(0)}
.season-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.season-card img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.season-card:hover img{transform:scale(1.1)}
.season-card-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(6,26,44,0.85),transparent 55%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:26px;color:#fff
}
.season-card-overlay h3{font-size:1.25rem;font-weight:800;margin-bottom:6px}
.season-card-overlay p{font-size:.86rem;color:rgba(236,247,255,0.85);line-height:1.6}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:1100px){
  .bento-lg,.bento-md,.bento-wide,.bento-tall,.bento-sm{grid-column:span 6}
  .showcase{grid-template-columns:repeat(2,1fr)}
  .showcase-card:nth-child(2),.showcase-card:nth-child(5){margin-top:0}
  .contact-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .img-grid{grid-template-columns:repeat(2,1fr)}
  .season-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .about-split{grid-template-columns:1fr;gap:38px}
  .about-visual{aspect-ratio:16/10;max-height:400px}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .guide-grid,.journey-grid{grid-template-columns:1fr}
  .tip-grid{grid-template-columns:repeat(2,1fr)}
  .form-row{grid-template-columns:1fr}
}
@media (max-width:768px){
  .nav-desktop{display:none}
  .menu-toggle{display:flex}
  .hero{padding-bottom:84px}
  .hero-scroll{display:none}
  .hero-stats{gap:8px}
  .hero-stat{min-width:104px;padding:14px 16px}
  .hero-stat strong{font-size:1.28rem}
  .section{padding:76px 0}
  .section-tight{padding:60px 0}
  .bento-lg,.bento-md,.bento-wide,.bento-tall,.bento-sm{grid-column:span 12}
  .showcase{grid-template-columns:1fr}
  .showcase-card{aspect-ratio:16/10}
  .tip-grid{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .img-grid,.season-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .form-shell{padding:30px 22px}
  .btn{padding:15px 28px;font-size:.93rem}
}
@media (max-width:480px){
  .logo-text{font-size:1.12rem}
  .logo-tag{display:none}
  .stats-strip{gap:10px}
  .stat-num{font-size:1.85rem}
  .back-top{right:16px;bottom:16px}
}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:0.01ms!important;
    animation-iteration-count:1!important;
    transition-duration:0.01ms!important
  }
  html{scroll-behavior:auto}
}

/* ============================================================
   ADSENSE
   ============================================================ */
.ad-slot{
  position:relative;margin:0 auto;max-width:100%;
  border-radius:var(--r-lg);
  background:linear-gradient(150deg,rgba(247,251,255,0.9),rgba(232,244,252,0.8));
  border:1px dashed rgba(14,95,158,0.24);
  box-shadow:0 8px 28px rgba(10,47,77,0.06);
  overflow:hidden;min-height:90px
}
.ad-slot::before{
  content:"广告 Advertisement";
  display:block;padding:7px 0 0;text-align:center;
  font-size:.68rem;letter-spacing:.16em;
  color:var(--faint);text-transform:uppercase
}
.ad-slot .adsbygoogle{display:block;margin:0 auto;text-align:center}
.ad-slot-leaderboard{width:100%;max-width:970px;min-height:120px}
.ad-slot-rect{width:100%;max-width:336px;min-height:280px}
.ad-slot-auto{width:100%}
.ad-slot-fluid{width:100%;min-height:250px}
.ad-wrap{margin:0 auto;padding:0 20px;max-width:1200px}