/* ============================================================
   里番网 汽车改装视频社区 - 完全原创CSS样式
   品牌色: 橙色 #FF6B35 | 深海蓝 #0D1B2A | 亮橙 #FF8C42
   字体: 系统中文字体栈
   ============================================================ */

/* ---- CSS Variables ---- */
:root {
  --kkt-orange:    #FF6B35;
  --kkt-orange2:   #FF8C42;
  --kkt-navy:      #0D1B2A;
  --kkt-navy2:     #1A2D42;
  --kkt-navy3:     #243650;
  --kkt-white:     #FFFFFF;
  --kkt-gray1:     #F5F6FA;
  --kkt-gray2:     #E8ECF0;
  --kkt-gray3:     #B0BAC6;
  --kkt-gray4:     #6B7A8D;
  --kkt-text:      #1A2D42;
  --kkt-text2:     #4A5568;
  --kkt-radius:    12px;
  --kkt-radius-lg: 20px;
  --kkt-shadow:    0 4px 24px rgba(13,27,42,0.12);
  --kkt-shadow-lg: 0 8px 48px rgba(13,27,42,0.18);
  --kkt-trans:     all 0.28s cubic-bezier(0.4,0,0.2,1);
  --kkt-max-w:     1280px;
  --kkt-header-h:  72px;
}

/* ---- Reset & Base ---- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;font-size:16px;}
body{
  font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Hiragino Sans GB','Microsoft YaHei','WenQuanYi Micro Hei',sans-serif;
  color:var(--kkt-text);
  background:#fff;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--kkt-orange);text-decoration:none;transition:var(--kkt-trans);}
a:hover{color:var(--kkt-orange2);}
img{max-width:100%;height:auto;display:block;}
ul{list-style:none;}
button{cursor:pointer;border:none;background:none;font-family:inherit;}

/* ---- Layout Helpers ---- */
.kkt-section-inner{max-width:var(--kkt-max-w);margin:0 auto;padding:0 24px;}
.kkt-section{padding:80px 0;}
.kkt-bg-dark2{background:var(--kkt-gray1);}

/* ---- Header ---- */
.kkt-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(13,27,42,0.97);
  backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,107,53,0.18);
  height:var(--kkt-header-h);
}
.kkt-header-inner{
  max-width:var(--kkt-max-w);margin:0 auto;padding:0 24px;
  height:100%;display:flex;align-items:center;gap:24px;
}
.kkt-logo{display:flex;align-items:center;gap:10px;text-decoration:none;}
.kkt-logo img{width:44px;height:44px;border-radius:50%;border:2px solid var(--kkt-orange);}
.kkt-logo-text{font-size:1.35rem;font-weight:800;color:#fff;letter-spacing:.04em;}
.kkt-logo-text::after{content:'·改装视频';font-size:.75rem;font-weight:400;color:var(--kkt-orange);margin-left:4px;}
.kkt-nav{display:flex;align-items:center;gap:4px;margin-left:auto;}
.kkt-nav a{
  color:rgba(255,255,255,0.82);font-size:.95rem;font-weight:500;
  padding:8px 14px;border-radius:8px;transition:var(--kkt-trans);
}
.kkt-nav a:hover,.kkt-nav-active{color:#fff!important;background:rgba(255,107,53,0.18);}
.kkt-header-actions{display:flex;align-items:center;gap:12px;margin-left:16px;}
.kkt-btn-join{
  background:var(--kkt-orange);color:#fff;padding:9px 20px;
  border-radius:8px;font-size:.9rem;font-weight:600;transition:var(--kkt-trans);
}
.kkt-btn-join:hover{background:var(--kkt-orange2);color:#fff;transform:translateY(-1px);}
.kkt-menu-toggle{
  display:none;flex-direction:column;gap:5px;padding:8px;
  background:rgba(255,255,255,0.08);border-radius:8px;
}
.kkt-menu-toggle span{width:22px;height:2px;background:#fff;border-radius:2px;transition:var(--kkt-trans);}

/* ---- Search Bar ---- */
.kkt-search-wrap{
  background:var(--kkt-navy2);padding:14px 24px;
  border-bottom:1px solid rgba(255,107,53,0.12);
}
.kkt-search-form{
  max-width:700px;margin:0 auto;display:flex;gap:0;
  background:rgba(255,255,255,0.06);border-radius:10px;
  border:1px solid rgba(255,107,53,0.22);overflow:hidden;
}
.kkt-search-form input{
  flex:1;padding:11px 18px;background:transparent;border:none;
  color:#fff;font-size:.95rem;outline:none;
}
.kkt-search-form input::placeholder{color:rgba(255,255,255,0.4);}
.kkt-search-form button{
  background:var(--kkt-orange);color:#fff;padding:11px 24px;
  font-size:.9rem;font-weight:600;transition:var(--kkt-trans);border-radius:0 10px 10px 0;
}
.kkt-search-form button:hover{background:var(--kkt-orange2);}

/* ---- Hero ---- */
.kkt-hero{
  position:relative;min-height:88vh;display:flex;align-items:center;
  overflow:hidden;background:var(--kkt-navy);
}
.kkt-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  transform:scale(1.05);transition:transform 8s ease;
}
.kkt-hero:hover .kkt-hero-bg{transform:scale(1);}
.kkt-hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(13,27,42,0.88) 0%,rgba(13,27,42,0.62) 60%,rgba(255,107,53,0.12) 100%);
}
.kkt-hero-content{
  position:relative;z-index:2;max-width:var(--kkt-max-w);
  margin:0 auto;padding:0 24px;width:100%;
}
.kkt-hero-badge{
  display:inline-block;background:rgba(255,107,53,0.18);
  border:1px solid rgba(255,107,53,0.4);color:var(--kkt-orange);
  padding:6px 18px;border-radius:50px;font-size:.85rem;font-weight:600;
  margin-bottom:20px;letter-spacing:.06em;
}
.kkt-hero-title{
  font-size:clamp(2.2rem,5vw,4rem);font-weight:900;color:#fff;
  line-height:1.2;margin-bottom:20px;letter-spacing:-.02em;
}
.kkt-brand-highlight{color:var(--kkt-orange);}
.kkt-hero-subtitle{
  font-size:clamp(1rem,2vw,1.2rem);color:rgba(255,255,255,0.8);
  max-width:680px;margin-bottom:36px;line-height:1.8;
}
.kkt-hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:48px;}
.kkt-btn-primary{
  background:var(--kkt-orange);color:#fff;padding:14px 32px;
  border-radius:10px;font-size:1rem;font-weight:700;transition:var(--kkt-trans);
  display:inline-block;
}
.kkt-btn-primary:hover{background:var(--kkt-orange2);color:#fff;transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,107,53,0.4);}
.kkt-btn-outline{
  background:transparent;color:#fff;padding:14px 32px;
  border:2px solid rgba(255,255,255,0.5);border-radius:10px;
  font-size:1rem;font-weight:600;transition:var(--kkt-trans);display:inline-block;
}
.kkt-btn-outline:hover{border-color:#fff;background:rgba(255,255,255,0.1);color:#fff;}
.kkt-hero-stats{display:flex;gap:40px;flex-wrap:wrap;}
.kkt-stat{display:flex;flex-direction:column;}
.kkt-stat-num{font-size:1.8rem;font-weight:900;color:var(--kkt-orange);line-height:1;}
.kkt-stat-label{font-size:.82rem;color:rgba(255,255,255,0.6);margin-top:4px;}
.kkt-hero-scroll{
  position:absolute;bottom:28px;left:50%;transform:translateX(-50%);
  color:rgba(255,255,255,0.5);font-size:.82rem;animation:kktBounce 2s infinite;
}
@keyframes kktBounce{0%,100%{transform:translateX(-50%) translateY(0);}50%{transform:translateX(-50%) translateY(8px);}}

/* ---- Section Headers ---- */
.kkt-section-header{text-align:center;margin-bottom:48px;}
.kkt-section-tag{
  display:inline-block;background:rgba(255,107,53,0.1);
  color:var(--kkt-orange);border:1px solid rgba(255,107,53,0.25);
  padding:5px 16px;border-radius:50px;font-size:.82rem;font-weight:600;
  margin-bottom:14px;letter-spacing:.06em;
}
.kkt-section-title{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;color:var(--kkt-navy);margin-bottom:14px;line-height:1.3;}
.kkt-hl{color:var(--kkt-orange);}
.kkt-section-desc{font-size:1rem;color:var(--kkt-text2);max-width:600px;margin:0 auto;}

/* ---- Video Cards ---- */
.kkt-video-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(300px,1fr));
  gap:24px;margin-bottom:36px;
}
.kkt-video-grid-lg{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));}
.kkt-video-card{
  background:#fff;border-radius:var(--kkt-radius);
  overflow:hidden;box-shadow:var(--kkt-shadow);
  transition:var(--kkt-trans);cursor:pointer;
}
.kkt-video-card:hover{transform:translateY(-6px);box-shadow:var(--kkt-shadow-lg);}
.kkt-video-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;}
.kkt-video-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.4s ease;}
.kkt-video-card:hover .kkt-video-thumb img{transform:scale(1.06);}
.kkt-play-btn{
  position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:rgba(13,27,42,0.35);opacity:0;transition:var(--kkt-trans);
}
.kkt-video-card:hover .kkt-play-btn{opacity:1;}
.kkt-play-icon{
  width:54px;height:54px;background:var(--kkt-orange);border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  transform:scale(0.85);transition:var(--kkt-trans);
}
.kkt-play-icon::after{
  content:'';border-left:18px solid #fff;border-top:11px solid transparent;
  border-bottom:11px solid transparent;margin-left:4px;
}
.kkt-video-card:hover .kkt-play-icon{transform:scale(1);}
.kkt-video-dur{
  position:absolute;bottom:10px;right:10px;background:rgba(13,27,42,0.82);
  color:#fff;font-size:.78rem;padding:3px 8px;border-radius:5px;font-weight:600;
}
.kkt-video-tag{
  position:absolute;top:10px;left:10px;background:var(--kkt-orange);
  color:#fff;font-size:.75rem;padding:3px 10px;border-radius:5px;font-weight:600;
}
.kkt-video-info{padding:16px;}
.kkt-video-title{font-size:.95rem;font-weight:700;color:var(--kkt-navy);line-height:1.5;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.kkt-video-meta{display:flex;gap:12px;align-items:center;font-size:.82rem;color:var(--kkt-gray4);}
.kkt-views::before{content:'▶ ';}
.kkt-likes::before{content:'♥ ';}
.kkt-comments::before{content:'💬 ';}
.kkt-tag-badge{background:rgba(255,107,53,0.1);color:var(--kkt-orange);padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:600;}
.kkt-video-author{display:flex;align-items:center;gap:8px;margin-top:10px;padding-top:10px;border-top:1px solid var(--kkt-gray2);}
.kkt-author-av{width:28px;height:28px;border-radius:50%;background:var(--kkt-orange);color:#fff;font-size:.75rem;font-weight:700;display:flex;align-items:center;justify-content:center;}
.kkt-author-nm{font-size:.82rem;color:var(--kkt-text2);font-weight:500;}

/* ---- Tabs ---- */
.kkt-tabs-wrap{margin-top:0;}
.kkt-tabs-nav{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:28px;padding-bottom:16px;border-bottom:2px solid var(--kkt-gray2);}
.kkt-tab-btn{
  padding:9px 20px;border-radius:8px;font-size:.9rem;font-weight:600;
  color:var(--kkt-text2);background:var(--kkt-gray1);transition:var(--kkt-trans);
}
.kkt-tab-btn:hover,.kkt-tab-active{background:var(--kkt-orange);color:#fff;}
.kkt-tab-pane{display:none;}
.kkt-tab-pane-active{display:block;}

/* ---- View More ---- */
.kkt-view-more{text-align:center;margin-top:16px;}
.kkt-btn-more{
  display:inline-block;padding:13px 40px;border:2px solid var(--kkt-orange);
  color:var(--kkt-orange);border-radius:10px;font-weight:700;font-size:.95rem;
  transition:var(--kkt-trans);
}
.kkt-btn-more:hover{background:var(--kkt-orange);color:#fff;}

/* ---- Module Grid ---- */
.kkt-module-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;}
.kkt-module-card{
  background:#fff;border-radius:var(--kkt-radius);padding:28px;
  box-shadow:var(--kkt-shadow);transition:var(--kkt-trans);
  border-top:3px solid transparent;
}
.kkt-module-card:hover{transform:translateY(-4px);border-top-color:var(--kkt-orange);box-shadow:var(--kkt-shadow-lg);}
.kkt-module-icon{font-size:2.4rem;margin-bottom:14px;}
.kkt-module-name{font-size:1.1rem;font-weight:700;color:var(--kkt-navy);margin-bottom:10px;}
.kkt-module-desc{font-size:.9rem;color:var(--kkt-text2);line-height:1.7;margin-bottom:16px;}
.kkt-module-link{color:var(--kkt-orange);font-weight:600;font-size:.9rem;}
.kkt-module-link::after{content:' →';}

/* ---- Experts ---- */
.kkt-expert-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(420px,1fr));gap:28px;}
.kkt-expert-card{
  background:#fff;border-radius:var(--kkt-radius-lg);overflow:hidden;
  box-shadow:var(--kkt-shadow);display:flex;gap:0;transition:var(--kkt-trans);
}
.kkt-expert-card:hover{box-shadow:var(--kkt-shadow-lg);transform:translateY(-4px);}
.kkt-expert-photo{width:180px;flex-shrink:0;overflow:hidden;}
.kkt-expert-photo img{width:100%;height:100%;object-fit:cover;}
.kkt-expert-photo-grad{
  width:180px;flex-shrink:0;display:flex;align-items:center;justify-content:center;
}
.kkt-expert-info{padding:24px;flex:1;}
.kkt-expert-name{font-size:1.2rem;font-weight:800;color:var(--kkt-navy);margin-bottom:4px;}
.kkt-expert-role{font-size:.85rem;color:var(--kkt-orange);font-weight:600;margin-bottom:12px;}
.kkt-expert-bio{font-size:.88rem;color:var(--kkt-text2);line-height:1.7;margin-bottom:14px;}
.kkt-expert-awards{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px;}
.kkt-award-tag{background:rgba(255,107,53,0.1);color:var(--kkt-orange);font-size:.75rem;padding:3px 10px;border-radius:50px;font-weight:600;}
.kkt-expert-btns{display:flex;gap:10px;}
.kkt-btn-sm{padding:8px 18px;border-radius:8px;font-size:.85rem;font-weight:600;transition:var(--kkt-trans);display:inline-block;}
.kkt-btn-sm-p{background:var(--kkt-orange);color:#fff;}
.kkt-btn-sm-p:hover{background:var(--kkt-orange2);color:#fff;}
.kkt-btn-sm-o{border:1.5px solid var(--kkt-orange);color:var(--kkt-orange);}
.kkt-btn-sm-o:hover{background:var(--kkt-orange);color:#fff;}

/* ---- AI Section ---- */
.kkt-ai-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:24px;margin-bottom:40px;}
.kkt-ai-card{
  background:#fff;border-radius:var(--kkt-radius);padding:28px;
  box-shadow:var(--kkt-shadow);text-align:center;transition:var(--kkt-trans);
}
.kkt-ai-card:hover{transform:translateY(-4px);box-shadow:var(--kkt-shadow-lg);}
.kkt-ai-icon{font-size:2.8rem;margin-bottom:14px;}
.kkt-ai-title{font-size:1.05rem;font-weight:700;color:var(--kkt-navy);margin-bottom:10px;}
.kkt-ai-desc{font-size:.9rem;color:var(--kkt-text2);line-height:1.7;}
.kkt-ai-showcase{position:relative;border-radius:var(--kkt-radius-lg);overflow:hidden;}
.kkt-ai-showcase img{width:100%;height:auto;}
.kkt-ai-overlay{
  position:absolute;inset:0;background:rgba(13,27,42,0.7);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  color:#fff;text-align:center;padding:24px;
}
.kkt-ai-overlay h3{font-size:1.6rem;font-weight:800;margin-bottom:10px;}
.kkt-ai-overlay p{font-size:1rem;opacity:.85;margin-bottom:20px;}

/* ---- Steps ---- */
.kkt-steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:24px;}
.kkt-step{
  background:#fff;border-radius:var(--kkt-radius);padding:28px;
  box-shadow:var(--kkt-shadow);text-align:center;transition:var(--kkt-trans);
  position:relative;
}
.kkt-step:hover{transform:translateY(-4px);}
.kkt-step-num{
  font-size:3rem;font-weight:900;color:rgba(255,107,53,0.15);
  line-height:1;margin-bottom:12px;
}
.kkt-step-title{font-size:1.05rem;font-weight:700;color:var(--kkt-navy);margin-bottom:10px;}
.kkt-step-desc{font-size:.88rem;color:var(--kkt-text2);line-height:1.7;}

/* ---- Partners ---- */
.kkt-partners-track{overflow:hidden;padding:20px 0;}
.kkt-partners-inner{display:flex;gap:24px;animation:kktScroll 28s linear infinite;width:max-content;}
@keyframes kktScroll{0%{transform:translateX(0);}100%{transform:translateX(-50%);}}
.kkt-partner{
  background:#fff;border-radius:10px;padding:14px 28px;
  font-weight:700;color:var(--kkt-navy2);font-size:.95rem;
  box-shadow:var(--kkt-shadow);white-space:nowrap;flex-shrink:0;
  border:1px solid var(--kkt-gray2);
}

/* ---- Reviews ---- */
.kkt-reviews-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;}
.kkt-review-card{
  background:#fff;border-radius:var(--kkt-radius);padding:28px;
  box-shadow:var(--kkt-shadow);transition:var(--kkt-trans);
  border-left:4px solid var(--kkt-orange);
}
.kkt-review-card:hover{transform:translateY(-4px);box-shadow:var(--kkt-shadow-lg);}
.kkt-review-stars{color:var(--kkt-orange);font-size:1.1rem;margin-bottom:14px;letter-spacing:2px;}
.kkt-review-text{font-size:.92rem;color:var(--kkt-text2);line-height:1.8;margin-bottom:18px;font-style:italic;}
.kkt-review-author{display:flex;align-items:center;gap:12px;}
.kkt-reviewer-av{
  width:42px;height:42px;border-radius:50%;background:var(--kkt-orange);
  color:#fff;font-size:1rem;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.kkt-reviewer-name{font-size:.92rem;font-weight:700;color:var(--kkt-navy);}
.kkt-reviewer-info{font-size:.78rem;color:var(--kkt-gray4);margin-top:2px;}

/* ---- FAQ ---- */
.kkt-faq-list{max-width:800px;margin:0 auto;}
.kkt-faq-item{border-bottom:1px solid var(--kkt-gray2);overflow:hidden;}
.kkt-faq-q{
  width:100%;text-align:left;padding:20px 0;font-size:1rem;font-weight:700;
  color:var(--kkt-navy);display:flex;justify-content:space-between;align-items:center;
  background:none;transition:var(--kkt-trans);
}
.kkt-faq-q:hover{color:var(--kkt-orange);}
.kkt-faq-icon{font-size:1.4rem;color:var(--kkt-orange);font-weight:400;transition:var(--kkt-trans);}
.kkt-faq-item.kkt-faq-open .kkt-faq-icon{transform:rotate(45deg);}
.kkt-faq-a{max-height:0;overflow:hidden;transition:max-height 0.4s ease;}
.kkt-faq-item.kkt-faq-open .kkt-faq-a{max-height:300px;}
.kkt-faq-a p{padding:0 0 20px;font-size:.92rem;color:var(--kkt-text2);line-height:1.8;}

/* ---- Contact ---- */
.kkt-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start;}
.kkt-contact-title{font-size:1.4rem;font-weight:800;color:var(--kkt-navy);margin-bottom:12px;}
.kkt-contact-desc{font-size:.92rem;color:var(--kkt-text2);line-height:1.8;margin-bottom:24px;}
.kkt-contact-items{display:flex;flex-direction:column;gap:16px;}
.kkt-contact-item{display:flex;gap:14px;align-items:flex-start;}
.kkt-contact-icon{font-size:1.4rem;flex-shrink:0;margin-top:2px;}
.kkt-contact-label{font-size:.8rem;color:var(--kkt-gray4);margin-bottom:2px;}
.kkt-contact-val{font-size:.95rem;font-weight:600;color:var(--kkt-navy);}
.kkt-qr-grid{display:flex;gap:24px;justify-content:center;margin-bottom:24px;}
.kkt-qr-card{text-align:center;}
.kkt-qr-card canvas{border-radius:10px;border:3px solid var(--kkt-orange);display:block;margin:0 auto 8px;}
.kkt-qr-card p{font-size:.88rem;font-weight:600;color:var(--kkt-navy);}
.kkt-qr-card small{font-size:.75rem;color:var(--kkt-gray4);}
.kkt-share-box{background:var(--kkt-gray1);border-radius:12px;padding:20px;}
.kkt-share-box h4{font-size:.95rem;font-weight:700;color:var(--kkt-navy);margin-bottom:12px;}
.kkt-share-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
.kkt-share-label{font-size:.85rem;color:var(--kkt-text2);}
.kkt-share-btn{
  padding:7px 16px;border-radius:7px;font-size:.85rem;font-weight:600;
  background:#fff;color:var(--kkt-navy);border:1.5px solid var(--kkt-gray2);
  transition:var(--kkt-trans);
}
.kkt-share-btn:hover{background:var(--kkt-orange);color:#fff;border-color:var(--kkt-orange);}

/* ---- Footer ---- */
.kkt-footer{background:var(--kkt-navy);color:rgba(255,255,255,0.75);padding:64px 0 0;}
.kkt-footer-inner{max-width:var(--kkt-max-w);margin:0 auto;padding:0 24px;}
.kkt-footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:48px;}
.kkt-footer-brand-name{font-size:1.3rem;font-weight:800;color:#fff;margin-left:10px;}
.kkt-footer-logo-wrap{display:flex;align-items:center;margin-bottom:16px;}
.kkt-footer-logo-wrap img{border-radius:50%;border:2px solid var(--kkt-orange);}
.kkt-footer-brand-desc{font-size:.88rem;line-height:1.8;color:rgba(255,255,255,0.6);margin-bottom:20px;}
.kkt-footer-social{display:flex;gap:10px;}
.kkt-social-btn{
  padding:7px 14px;border-radius:7px;font-size:.82rem;font-weight:600;
  background:rgba(255,255,255,0.08);color:rgba(255,255,255,0.75);
  transition:var(--kkt-trans);
}
.kkt-social-btn:hover{background:var(--kkt-orange);color:#fff;}
.kkt-footer-col h4{font-size:1rem;font-weight:700;color:#fff;margin-bottom:16px;padding-bottom:8px;border-bottom:1px solid rgba(255,107,53,0.2);}
.kkt-footer-col ul{display:flex;flex-direction:column;gap:9px;}
.kkt-footer-col a{font-size:.88rem;color:rgba(255,255,255,0.6);transition:var(--kkt-trans);}
.kkt-footer-col a:hover{color:var(--kkt-orange);}
.kkt-footer-qr-row{display:flex;gap:32px;justify-content:center;padding:32px 0;border-top:1px solid rgba(255,255,255,0.08);}
.kkt-footer-qr-row .kkt-qr-item{text-align:center;}
.kkt-footer-qr-row canvas{border-radius:8px;border:2px solid var(--kkt-orange);margin:0 auto 8px;}
.kkt-footer-qr-row p{font-size:.85rem;color:rgba(255,255,255,0.75);font-weight:600;}
.kkt-footer-qr-row small{font-size:.75rem;color:rgba(255,255,255,0.4);}
.kkt-footer-bottom{
  border-top:1px solid rgba(255,255,255,0.08);
  padding:20px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
}
.kkt-footer-copy p{font-size:.85rem;color:rgba(255,255,255,0.5);}
.kkt-footer-copy a{color:rgba(255,255,255,0.65);}
.kkt-footer-copy a:hover{color:var(--kkt-orange);}
.kkt-footer-links{display:flex;gap:20px;}
.kkt-footer-links a{font-size:.82rem;color:rgba(255,255,255,0.45);transition:var(--kkt-trans);}
.kkt-footer-links a:hover{color:var(--kkt-orange);}

/* ---- Breadcrumb ---- */
.kkt-breadcrumb{background:var(--kkt-gray1);border-bottom:1px solid var(--kkt-gray2);padding:12px 0;}
.kkt-breadcrumb-inner{max-width:var(--kkt-max-w);margin:0 auto;padding:0 24px;font-size:.88rem;color:var(--kkt-gray4);display:flex;align-items:center;gap:8px;}
.kkt-breadcrumb-inner a{color:var(--kkt-text2);}
.kkt-breadcrumb-inner a:hover{color:var(--kkt-orange);}
.kkt-bc-sep{color:var(--kkt-gray3);}

/* ---- Page Hero ---- */
.kkt-page-hero{
  background:var(--kkt-navy);padding:80px 24px;text-align:center;
  position:relative;background-size:cover;background-position:center;
}
.kkt-page-hero-sm{padding:56px 24px;}
.kkt-page-hero-inner{position:relative;z-index:2;max-width:var(--kkt-max-w);margin:0 auto;}
.kkt-page-title{font-size:clamp(1.8rem,4vw,3rem);font-weight:900;color:#fff;margin-bottom:14px;}
.kkt-page-subtitle{font-size:1rem;color:rgba(255,255,255,0.75);max-width:600px;margin:0 auto;}

/* ---- Filter Bar ---- */
.kkt-filter-bar{display:flex;gap:24px;align-items:flex-start;flex-wrap:wrap;margin-bottom:32px;padding:20px;background:var(--kkt-gray1);border-radius:var(--kkt-radius);}
.kkt-filter-label{font-size:.88rem;font-weight:600;color:var(--kkt-text2);white-space:nowrap;margin-top:8px;}
.kkt-filter-btns{display:flex;gap:8px;flex-wrap:wrap;}
.kkt-filter-btn{padding:7px 16px;border-radius:7px;font-size:.85rem;font-weight:600;color:var(--kkt-text2);background:#fff;border:1.5px solid var(--kkt-gray2);transition:var(--kkt-trans);}
.kkt-filter-btn:hover,.kkt-filter-active{background:var(--kkt-orange);color:#fff;border-color:var(--kkt-orange);}
.kkt-sort-select{padding:8px 14px;border-radius:8px;border:1.5px solid var(--kkt-gray2);font-size:.88rem;color:var(--kkt-text);background:#fff;outline:none;}

/* ---- Pagination ---- */
.kkt-pagination{display:flex;gap:8px;justify-content:center;align-items:center;margin-top:40px;}
.kkt-page-item{padding:9px 16px;border-radius:8px;font-size:.9rem;font-weight:600;background:#fff;border:1.5px solid var(--kkt-gray2);color:var(--kkt-text2);transition:var(--kkt-trans);}
.kkt-page-item:hover{background:var(--kkt-orange);color:#fff;border-color:var(--kkt-orange);}
.kkt-page-cur{background:var(--kkt-orange);color:#fff;border-color:var(--kkt-orange);}
.kkt-page-ellipsis{color:var(--kkt-gray4);}
.kkt-page-next{padding:9px 20px;border-radius:8px;font-size:.9rem;font-weight:600;background:var(--kkt-navy);color:#fff;transition:var(--kkt-trans);}
.kkt-page-next:hover{background:var(--kkt-orange);color:#fff;}

/* ---- Creator Page ---- */
.kkt-creator-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:28px;}
.kkt-creator-card{background:#fff;border-radius:var(--kkt-radius);padding:28px;box-shadow:var(--kkt-shadow);transition:var(--kkt-trans);}
.kkt-creator-card:hover{transform:translateY(-4px);box-shadow:var(--kkt-shadow-lg);}
.kkt-creator-icon{font-size:2.4rem;margin-bottom:14px;}
.kkt-creator-title{font-size:1.1rem;font-weight:700;color:var(--kkt-navy);margin-bottom:10px;}
.kkt-creator-desc{font-size:.9rem;color:var(--kkt-text2);line-height:1.7;margin-bottom:16px;}
.kkt-creator-list{margin-bottom:20px;display:flex;flex-direction:column;gap:7px;}
.kkt-creator-list li{font-size:.88rem;color:var(--kkt-text2);padding-left:16px;position:relative;}
.kkt-creator-list li::before{content:'▸';color:var(--kkt-orange);position:absolute;left:0;}
.kkt-creator-plan-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:24px;}
.kkt-plan-card{background:#fff;border-radius:var(--kkt-radius-lg);padding:32px;box-shadow:var(--kkt-shadow);text-align:center;position:relative;transition:var(--kkt-trans);}
.kkt-plan-card:hover{transform:translateY(-4px);}
.kkt-plan-featured{border:2px solid var(--kkt-orange);box-shadow:0 8px 40px rgba(255,107,53,0.2);}
.kkt-plan-badge{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:var(--kkt-orange);color:#fff;padding:4px 18px;border-radius:50px;font-size:.8rem;font-weight:700;}
.kkt-plan-level{font-size:1.1rem;font-weight:700;color:var(--kkt-navy);margin-bottom:8px;}
.kkt-plan-price{font-size:1.8rem;font-weight:900;color:var(--kkt-orange);margin-bottom:20px;}
.kkt-plan-features{text-align:left;margin-bottom:24px;display:flex;flex-direction:column;gap:10px;}
.kkt-plan-features li{font-size:.9rem;color:var(--kkt-text2);}

/* ---- Community Page ---- */
.kkt-comm-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:20px;}
.kkt-comm-stat{background:#fff;border-radius:var(--kkt-radius);padding:24px;text-align:center;box-shadow:var(--kkt-shadow);}
.kkt-comm-stat-num{display:block;font-size:1.8rem;font-weight:900;color:var(--kkt-orange);}
.kkt-comm-stat-label{font-size:.85rem;color:var(--kkt-text2);margin-top:4px;}
.kkt-channel-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:24px;}
.kkt-channel-card{background:#fff;border-radius:var(--kkt-radius);padding:24px;box-shadow:var(--kkt-shadow);transition:var(--kkt-trans);}
.kkt-channel-card:hover{transform:translateY(-4px);box-shadow:var(--kkt-shadow-lg);}
.kkt-channel-header{display:flex;gap:14px;align-items:center;margin-bottom:12px;}
.kkt-channel-icon{font-size:2rem;}
.kkt-channel-name{font-size:1.05rem;font-weight:700;color:var(--kkt-navy);}
.kkt-channel-meta{font-size:.8rem;color:var(--kkt-gray4);}
.kkt-channel-desc{font-size:.88rem;color:var(--kkt-text2);line-height:1.7;margin-bottom:16px;}
.kkt-channel-posts{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.kkt-post-item{display:flex;gap:8px;align-items:center;}
.kkt-post-tag{background:rgba(255,107,53,0.1);color:var(--kkt-orange);font-size:.72rem;padding:2px 8px;border-radius:4px;font-weight:600;white-space:nowrap;}
.kkt-post-link{font-size:.85rem;color:var(--kkt-text2);transition:var(--kkt-trans);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.kkt-post-link:hover{color:var(--kkt-orange);}

/* ---- Tools Page ---- */
.kkt-tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:24px;}
.kkt-tool-card{background:#fff;border-radius:var(--kkt-radius);padding:28px;box-shadow:var(--kkt-shadow);transition:var(--kkt-trans);}
.kkt-tool-card:hover{transform:translateY(-4px);box-shadow:var(--kkt-shadow-lg);}
.kkt-tool-featured{border:2px solid var(--kkt-orange);}
.kkt-tool-icon{font-size:2.4rem;margin-bottom:14px;}
.kkt-tool-name{font-size:1.1rem;font-weight:700;color:var(--kkt-navy);margin-bottom:10px;}
.kkt-tool-desc{font-size:.9rem;color:var(--kkt-text2);line-height:1.7;margin-bottom:16px;}
.kkt-tool-features{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:20px;}
.kkt-tool-feat{background:var(--kkt-gray1);color:var(--kkt-text2);font-size:.78rem;padding:4px 10px;border-radius:5px;font-weight:500;}

/* ---- About Page ---- */
.kkt-about-intro{display:flex;gap:32px;align-items:flex-start;margin-bottom:20px;}
.kkt-about-logo-wrap{flex-shrink:0;}
.kkt-about-logo-wrap img{border-radius:16px;border:3px solid var(--kkt-orange);}
.kkt-about-title{font-size:1.5rem;font-weight:800;color:var(--kkt-navy);margin-bottom:14px;}
.kkt-about-text p{font-size:.95rem;color:var(--kkt-text2);line-height:1.8;margin-bottom:12px;}
.kkt-timeline{position:relative;max-width:800px;margin:0 auto;}
.kkt-timeline::before{content:'';position:absolute;left:20px;top:0;bottom:0;width:2px;background:var(--kkt-gray2);}
.kkt-timeline-item{display:flex;gap:24px;margin-bottom:32px;position:relative;}
.kkt-timeline-dot{width:40px;height:40px;border-radius:50%;background:var(--kkt-orange);flex-shrink:0;display:flex;align-items:center;justify-content:center;position:relative;z-index:1;}
.kkt-timeline-dot::after{content:'';width:10px;height:10px;border-radius:50%;background:#fff;}
.kkt-timeline-date{font-size:.85rem;font-weight:700;color:var(--kkt-orange);white-space:nowrap;padding-top:10px;min-width:100px;}
.kkt-timeline-content{flex:1;background:#fff;border-radius:var(--kkt-radius);padding:20px;box-shadow:var(--kkt-shadow);}
.kkt-timeline-content h3{font-size:1rem;font-weight:700;color:var(--kkt-navy);margin-bottom:8px;}
.kkt-timeline-content p{font-size:.88rem;color:var(--kkt-text2);line-height:1.7;}
.kkt-contact-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:20px;}
.kkt-contact-card{background:#fff;border-radius:var(--kkt-radius);padding:24px;text-align:center;box-shadow:var(--kkt-shadow);}
.kkt-contact-card-icon{font-size:2rem;margin-bottom:10px;}
.kkt-contact-card h3{font-size:.95rem;font-weight:700;color:var(--kkt-navy);margin-bottom:6px;}
.kkt-contact-card p{font-size:.88rem;color:var(--kkt-text2);}

/* ---- Responsive ---- */
@media(max-width:1024px){
  .kkt-footer-grid{grid-template-columns:1fr 1fr;}
  .kkt-expert-grid{grid-template-columns:1fr;}
  .kkt-contact-grid{grid-template-columns:1fr;}
  .kkt-comm-stats{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:768px){
  .kkt-nav{display:none;position:fixed;top:var(--kkt-header-h);left:0;right:0;background:var(--kkt-navy);flex-direction:column;padding:16px;gap:4px;z-index:999;}
  .kkt-nav.kkt-nav-open{display:flex;}
  .kkt-nav a{padding:12px 16px;border-radius:8px;}
  .kkt-menu-toggle{display:flex;}
  .kkt-hero{min-height:70vh;}
  .kkt-hero-stats{gap:20px;}
  .kkt-stat-num{font-size:1.4rem;}
  .kkt-footer-grid{grid-template-columns:1fr;}
  .kkt-video-grid{grid-template-columns:1fr;}
  .kkt-expert-card{flex-direction:column;}
  .kkt-expert-photo{width:100%;height:200px;}
  .kkt-about-intro{flex-direction:column;}
  .kkt-timeline::before{left:16px;}
  .kkt-timeline-date{min-width:80px;font-size:.78rem;}
  .kkt-comm-stats{grid-template-columns:1fr 1fr;}
  .kkt-search-wrap{padding:10px 16px;}
}
@media(max-width:480px){
  .kkt-section{padding:48px 0;}
  .kkt-hero-btns{flex-direction:column;}
  .kkt-btn-primary,.kkt-btn-outline{text-align:center;}
  .kkt-comm-stats{grid-template-columns:1fr;}
  .kkt-filter-bar{flex-direction:column;}
  .kkt-contact-grid{grid-template-columns:1fr;}
}