/* =========================================================
   Sakura · 少女系卡哇伊导航主题（原创样式，零框架依赖）
   布局原型：全屏英雄居中 + 链接花园（便签/糖果卡片墙）
   ========================================================= */

:root{
    --kk-main:#ff9ec4;
    --kk-accent:#ffd86b;
    --kk-cream:#fff3f8;
    --kk-paper:#ffffff;
    --kk-ink:#7a5b66;
    --kk-ink-soft:#b594a1;
    --kk-line:#ffd6e7;
    --kk-shadow:0 12px 30px rgba(255,158,196,.28);
    --kk-shadow-sm:0 6px 16px rgba(255,158,196,.22);
    --kk-radius:22px;
    --kk-radius-sm:14px;
}
/* 圆角档位（由后台配置切换） */
.kk-round-small{ --kk-radius:12px; --kk-radius-sm:9px; }
.kk-round-big{   --kk-radius:22px; --kk-radius-sm:14px; }
.kk-round-max{   --kk-radius:999px; --kk-radius-sm:999px; }

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }

body{
    font-family:'YouYuan','Yuanti SC','Comic Sans MS','PingFang SC','Microsoft YaHei',sans-serif;
    color:var(--kk-ink);
    background-color:var(--kk-cream);
    background-image:
        radial-gradient(circle at 12% 16%, rgba(255,158,196,.22), transparent 42%),
        radial-gradient(circle at 88% 12%, rgba(255,216,107,.22), transparent 40%),
        radial-gradient(circle at 72% 86%, rgba(170,210,255,.20), transparent 45%),
        radial-gradient(circle at 20% 84%, rgba(190,255,214,.20), transparent 42%);
    background-attachment:fixed;
    min-height:100vh;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
}

/* 波点底纹叠层 */
body::before{
    content:"";
    position:fixed;
    inset:0;
    pointer-events:none;
    background-image:radial-gradient(rgba(255,158,196,.10) 2px, transparent 2px);
    background-size:26px 26px;
    z-index:0;
}

/* ============ 顶部品牌 + 导航 ============ */
.kk-top{
    position:relative;
    z-index:3;
    display:flex;
    align-items:center;
    justify-content:space-between;
    flex-wrap:wrap;
    gap:12px;
    padding:18px clamp(16px,4vw,46px);
}
.kk-brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    text-decoration:none;
    color:var(--kk-ink);
    font-size:clamp(20px,2.6vw,28px);
    font-weight:bold;
    letter-spacing:1px;
}
.kk-brand-mark{
    font-size:1.3em;
    filter:drop-shadow(0 3px 4px rgba(255,158,196,.5));
    animation:kk-sway 3s ease-in-out infinite;
}
.kk-brand-text{ text-shadow:0 2px 0 #fff, 0 3px 6px rgba(255,158,196,.4); }

.kk-nav{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
}
.kk-chip{
    display:inline-flex;
    align-items:center;
    padding:8px 16px;
    background:var(--kk-paper);
    color:var(--kk-ink);
    text-decoration:none;
    border:2px solid var(--kk-line);
    border-radius:999px;
    font-size:14px;
    box-shadow:var(--kk-shadow-sm);
    transition:transform .2s ease, background .2s ease, color .2s ease;
}
.kk-chip:hover{
    transform:translateY(-3px) rotate(-2deg);
    background:var(--kk-main);
    color:#fff;
    border-color:var(--kk-main);
}

/* ============ 全屏英雄区 ============ */
.kk-hero{
    position:relative;
    z-index:5;
    min-height:min(72vh,640px);
    display:flex;
    align-items:center;
    justify-content:center;
    padding:30px clamp(16px,4vw,46px) 10px;
}
.kk-stage{
    width:min(720px,100%);
    background:rgba(255,255,255,.42);
    backdrop-filter:blur(4px);
    -webkit-backdrop-filter:blur(4px);
    border:3px solid #fff;
    border-radius:calc(var(--kk-radius) + 14px);
    box-shadow:var(--kk-shadow);
    padding:clamp(22px,4vw,40px);
    text-align:center;
    position:relative;
    animation:kk-pop .6s cubic-bezier(.22,1.2,.36,1) both;
}
.kk-stage::after{
    content:"";
    position:absolute;
    inset:8px;
    border:2px dashed var(--kk-line);
    border-radius:calc(var(--kk-radius) + 6px);
    pointer-events:none;
}

/* 时钟卡片 */
.kk-timecard{
    position:relative;
    display:inline-block;
    padding:14px 30px 12px;
    background:linear-gradient(135deg,#fff,var(--kk-cream));
    border:2px solid var(--kk-line);
    border-radius:var(--kk-radius);
    box-shadow:var(--kk-shadow-sm);
    margin-bottom:14px;
}
.kk-timecard-pin{
    position:absolute;
    top:-14px;
    left:50%;
    transform:translateX(-50%);
    font-size:22px;
}
.kk-time{
    font-size:clamp(30px,6vw,46px);
    font-weight:bold;
    color:var(--kk-main);
    letter-spacing:2px;
    text-shadow:0 2px 0 #fff;
}
.kk-date{
    margin-top:2px;
    font-size:14px;
    color:var(--kk-ink-soft);
}

/* 一言 */
.kk-quote{
    margin:6px auto 14px;
    max-width:90%;
    font-size:clamp(14px,2vw,17px);
    color:var(--kk-ink);
    line-height:1.7;
}
.kk-quote::before{ content:"“"; color:var(--kk-main); font-weight:bold; }
.kk-quote::after{ content:"”"; color:var(--kk-main); font-weight:bold; }

/* 公告 */
.kk-notice{
    display:inline-flex;
    align-items:center;
    gap:8px;
    max-width:92%;
    margin:0 auto 16px;
    padding:8px 14px;
    background:#fff7e6;
    border:2px solid #ffe1a8;
    border-radius:var(--kk-radius-sm);
    font-size:13px;
    color:#9a7b2e;
    text-align:left;
}
.kk-notice-tag{
    flex:none;
    background:var(--kk-accent);
    color:#7a5b00;
    font-weight:bold;
    padding:2px 8px;
    border-radius:999px;
    font-size:12px;
}

/* 搜索框 */
.kk-search{
    display:flex;
    align-items:center;
    gap:8px;
    background:#fff;
    border:3px solid var(--kk-main);
    border-radius:999px;
    padding:6px 6px 6px 16px;
    box-shadow:var(--kk-shadow-sm);
    transition:transform .2s ease, box-shadow .2s ease;
}
.kk-search:focus-within{
    transform:translateY(-2px);
    box-shadow:0 10px 24px rgba(255,158,196,.42);
}
.kk-search-ico{ font-size:18px; }
.kk-search-input{
    flex:1;
    min-width:0;
    border:none;
    outline:none;
    background:transparent;
    font-family:inherit;
    font-size:16px;
    color:var(--kk-ink);
    padding:10px 4px;
}
.kk-search-input::placeholder{ color:var(--kk-ink-soft); }
.kk-search-btn{
    flex:none;
    border:none;
    cursor:pointer;
    font-family:inherit;
    font-weight:bold;
    font-size:15px;
    color:#fff;
    background:linear-gradient(135deg,var(--kk-main),#ff7fb0);
    padding:11px 22px;
    border-radius:999px;
    box-shadow:0 4px 10px rgba(255,127,176,.5);
    transition:transform .15s ease, filter .15s ease;
}
.kk-search-btn:hover{ transform:scale(1.05); filter:brightness(1.05); }
.kk-search-btn:active{ transform:scale(.96); }

/* 搜索引擎选择 */
/* 搜索引擎：下拉选择 */
.kk-engines{
    display:flex;
    justify-content:center;
    margin-top:16px;
}
.kk-engine-pick{
    position:relative;
    display:inline-block;
    min-width:210px;
    text-align:left;
}
.kk-engine-toggle{
    display:flex;
    align-items:center;
    gap:8px;
    width:100%;
    cursor:pointer;
    font-family:inherit;
    font-size:14px;
    color:var(--kk-ink);
    background:#fff;
    border:2px solid var(--kk-main);
    border-radius:999px;
    padding:9px 16px;
    box-shadow:var(--kk-shadow-sm);
    transition:transform .18s ease;
}
.kk-engine-toggle:hover{ transform:translateY(-2px); }
.kk-engine-current{
    flex:1;
    display:inline-flex;
    align-items:center;
    gap:6px;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
}
.kk-engine-current svg,
.kk-engine-current img{ width:16px; height:16px; border-radius:5px; object-fit:cover; vertical-align:middle; }
.kk-engine-current i{ font-size:16px; line-height:1; }
.kk-engine-caret{ color:var(--kk-main); transition:transform .2s ease; }
.kk-engine-pick.is-open .kk-engine-caret{ transform:rotate(180deg); }
.kk-engine-menu{
    position:absolute;
    top:calc(100% + 8px);
    left:0;
    right:0;
    margin:0;
    padding:6px;
    list-style:none;
    background:#fff;
    border:2px solid var(--kk-line);
    border-radius:var(--kk-radius-sm);
    box-shadow:var(--kk-shadow);
    z-index:50;
    display:none;
    max-height:240px;
    overflow:auto;
}
.kk-engine-pick.is-open .kk-engine-menu{ display:block; animation:kk-pop .2s ease both; }
.kk-engine-opt{
    display:flex;
    align-items:center;
    gap:8px;
    cursor:pointer;
    padding:8px 12px;
    border-radius:var(--kk-radius-sm);
    font-size:14px;
    color:var(--kk-ink-soft);
    transition:background .15s ease, color .15s ease;
}
.kk-engine-opt svg,
.kk-engine-opt img{ width:16px; height:16px; border-radius:5px; object-fit:cover; vertical-align:middle; }
.kk-engine-opt i{ font-size:16px; line-height:1; }
.kk-engine-opt:hover{ background:var(--kk-cream); color:var(--kk-ink); }
.kk-engine-opt.is-on{ background:var(--kk-main); color:#fff; }

/* ============ 链接花园 ============ */
.kk-garden{
    position:relative;
    z-index:2;
    max-width:1100px;
    margin:10px auto 40px;
    padding:0 clamp(16px,4vw,46px);
    display:grid;
    grid-template-columns:1fr;
    gap:30px;
}
.kk-group{
    background:rgba(255,255,255,.6);
    border:2px solid #fff;
    border-radius:calc(var(--kk-radius) + 8px);
    box-shadow:var(--kk-shadow-sm);
    padding:18px clamp(14px,3vw,26px) 22px;
}
.kk-group-head{
    display:flex;
    align-items:center;
    gap:10px;
    flex:0 0 100%;
    width:100%;
    margin:0 0 16px;
    font-size:clamp(17px,2.4vw,22px);
    color:var(--kk-ink);
}
.kk-group-head::after{
    content:"";
    flex:1;
    height:3px;
    border-radius:3px;
    background:repeating-linear-gradient(90deg,var(--kk-line) 0 10px,transparent 10px 18px);
}
.kk-group-ico{ font-size:1em; line-height:1; }
.kk-group-ico svg,
.kk-group-ico img{ width:18px; height:18px; vertical-align:middle; border-radius:5px; object-fit:cover; }
.kk-group-ico i{ font-size:1em; }
.kk-group-name{ text-shadow:0 2px 0 #fff; }

/* 链接以 flex 换行排布，按 --kk-cols 精确成行（糖果卡片墙） */
.kk-group{ --gap:14px; display:flex; flex-wrap:wrap; gap:var(--gap); }
.kk-group .kk-flower{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex:0 0 calc((100% - (var(--kk-cols) - 1) * var(--gap)) / var(--kk-cols));
    padding:12px 16px;
    background:var(--kk-paper);
    border:2px solid var(--kk-line);
    border-radius:var(--kk-radius-sm);
    color:var(--kk-ink);
    text-decoration:none;
    box-shadow:0 4px 12px rgba(255,158,196,.16);
    transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.kk-flower:hover{
    transform:translateY(-4px) rotate(-1.5deg);
    background:linear-gradient(135deg,#fff,var(--kk-cream));
    box-shadow:0 10px 22px rgba(255,158,196,.34);
    border-color:var(--kk-main);
}
.kk-flower-ico{
    flex:none;
    width:34px;
    height:34px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    background:var(--kk-cream);
    border-radius:50%;
    font-size:18px;
    overflow:hidden;
}
.kk-flower-ico img{ width:100%; height:100%; object-fit:cover; border-radius:50%; }
.kk-flower-name{
    font-size:15px;
    line-height:1.3;
    word-break:break-all;
}
.kk-flower-name font{ color:inherit; }

/* ============ 页脚 ============ */
.kk-foot{
    position:relative;
    z-index:2;
    text-align:center;
    padding:24px 16px 36px;
    color:var(--kk-ink-soft);
    font-size:13px;
    line-height:1.9;
}
.kk-foot .icp,
.kk-foot .gonganbei{
    display:inline-block;
    margin:0 6px;
    color:var(--kk-ink-soft);
    text-decoration:none;
}
.kk-foot .icp:hover,
.kk-foot .gonganbei:hover{ color:var(--kk-main); }

/* ============ 漂浮装饰 ============ */
.kk-deco{
    position:absolute;
    left:var(--x);
    top:var(--y);
    font-size:clamp(18px,3vw,30px);
    color:var(--kk-accent);
    opacity:.7;
    z-index:1;
    pointer-events:none;
    text-shadow:0 2px 6px rgba(255,158,196,.5);
    animation:kk-float 5s ease-in-out infinite;
    animation-delay:var(--d);
}
.kk-deco:nth-child(even){ color:var(--kk-main); }
.kk-deco-off .kk-deco{ display:none; }

/* ============ 动效 ============ */
@keyframes kk-float{
    0%,100%{ transform:translateY(0) rotate(0); }
    50%{ transform:translateY(-14px) rotate(8deg); }
}
@keyframes kk-sway{
    0%,100%{ transform:rotate(-8deg); }
    50%{ transform:rotate(8deg); }
}
@keyframes kk-pop{
    0%{ opacity:0; transform:scale(.92) translateY(14px); }
    100%{ opacity:1; transform:scale(1) translateY(0); }
}
@media (prefers-reduced-motion:reduce){
    .kk-deco,.kk-brand-mark,.kk-stage{ animation:none; }
}

/* ============ 移动端适配（768px） ============ */
@media (max-width:768px){
    .kk-top{ justify-content:center; text-align:center; }
    .kk-nav{ justify-content:center; }
    .kk-hero{ min-height:auto; padding-top:18px; }
    .kk-garden{ margin-top:6px; }
    .kk-group .kk-flower{
        flex:0 0 calc((100% - var(--gap)) / 2);
    }
    .kk-search-btn{ padding:11px 16px; }
}
@media (max-width:420px){
    .kk-group .kk-flower{ flex:0 0 100%; }
}