/* 基础重置与变量 */
:root {
    --color-theme: #db67b1;
    --color-theme-dark: #b84590;
    --color-theme-light: #fbe6f4;
    --color-bg-morandi: #f8f6fa;
    --color-surface: #ffffff;
    --color-text-main: #2a2430;
    --color-text-sub: #6b6473;
    --color-border: #eae4ef;
    
    --radius-sm: 12px;
    --radius-md: 20px;
    --radius-lg: 24px;
    --radius-pill: 999px;
    
    --shadow-1: 0 4px 20px rgba(42, 36, 48, 0.04), 0 2px 6px rgba(42, 36, 48, 0.02);
    --shadow-2: 0 12px 32px rgba(42, 36, 48, 0.08), 0 4px 12px rgba(42, 36, 48, 0.04);
    --shadow-3: 0 24px 48px rgba(42, 36, 48, 0.12), 0 8px 24px rgba(42, 36, 48, 0.06);
    
    --transition: all 0.25s ease;
    --max-width: 1280px;
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--color-bg-morandi);
    color: var(--color-text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 全局强制文本规则 */
.nest, .ears, main, footer, div, p, h1, h2, h3, a, span {
    word-break: break-word;
    overflow-wrap: break-word;
}
h1, h2, h3 {
    white-space: normal;
    line-height: 1.3;
    color: var(--color-text-main);
    word-break: keep-all;
}
p {
    line-height: 1.8;
    color: var(--color-text-sub);
}
a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

/* 全局强制Flex/Grid规则 */
.ears, .snout, .pack, .clan, .streak, .streak-brush {
    display: flex;
    flex-wrap: wrap;
}
.ears > *, .snout > *, .pack > *, .clan > *, .streak > *, .streak-brush > * {
    min-width: 0;
}

/* 导航区域 */
.ears {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 5vw;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.crest {
    display: flex;
    align-items: center;
}
.crest .gaze {
    height: 36px;
    width: auto;
    display: block;
}

.snout {
    justify-content: flex-end;
    align-items: center;
}

.pack {
    gap: 2rem;
    align-items: center;
}

.path {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--color-text-sub);
    position: relative;
    padding: 0.5rem 0;
}
.path::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-theme);
    transition: var(--transition);
    border-radius: 2px;
}
.path:hover, .path:focus {
    color: var(--color-theme);
}
.path:hover::after, .path:focus::after {
    width: 100%;
}
.path.active {
    color: var(--color-theme);
    font-weight: 600;
}
.path.active::after {
    width: 100%;
}

/* 首屏大舞台 (Hero - fullbleed_overlay) */
.blaze {
    position: relative;
    width: 100vw;
    min-height: 95vh;
    display: flex;
    align-items: center;
    justify-content: center;
    /* 使用复杂的CSS网格渐变模拟高级背景，避免使用违规图片 */
    background: 
        radial-gradient(circle at 80% 20%, rgba(219, 103, 177, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 20% 80%, rgba(255, 154, 68, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(74, 0, 224, 0.2) 0%, transparent 60%),
        #1a1520;
    padding: 120px 5vw 60px;
    text-align: center;
    overflow: hidden;
}

/* 渐变遮罩保证可读性 */
.blaze::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(to bottom, rgba(26, 21, 32, 0.3) 0%, rgba(26, 21, 32, 0.7) 100%);
    z-index: 1;
}

.blaze .coat {
    position: relative;
    z-index: 2;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.blaze .howl {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.blaze .fur {
    font-size: clamp(1.1rem, 2vw, 1.35rem);
    color: rgba(255, 255, 255, 0.9);
    max-width: 760px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.2);
}

.leap {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, var(--color-theme) 0%, #ff5e62 100%);
    border-radius: var(--radius-pill);
    box-shadow: 0 8px 24px rgba(219, 103, 177, 0.4);
    transition: var(--transition);
}
.leap:hover, .leap:focus {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(219, 103, 177, 0.6);
}

/* 性能展示区 (Aside - comparison) */
.orbit {
    padding: 8rem 5vw;
    background-color: var(--color-surface);
    position: relative;
}

.orbit .clan {
    max-width: var(--max-width);
    margin: 0 auto;
    align-items: center;
    gap: 4rem;
}

.orbit .coat-fur {
    flex: 1;
    min-width: 320px;
}

.orbit .coat-media {
    flex: 1.2;
    min-width: 320px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-3);
    transform: perspective(1000px) rotateY(-5deg);
    transition: var(--transition);
    background-color: var(--color-bg-morandi);
}
.orbit .coat-media:hover {
    transform: perspective(1000px) rotateY(0deg) translateY(-10px);
}

.orbit .gaze {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.orbit .howl {
    font-size: clamp(2rem, 3vw, 3rem);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.orbit .fur {
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.orbit .streak {
    flex-direction: column;
    gap: 2rem;
}

.orbit .kit {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--color-bg-morandi);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.orbit .kit:hover {
    background: var(--color-theme-light);
    transform: translateX(10px);
}

.claw {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, #ffffff 0%, var(--color-bg-morandi) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-1);
    color: var(--color-theme);
    flex-shrink: 0;
}

.kit .howl-small {
    font-size: 1.25rem;
    font-weight: 600;
}

/* 隐私保护区 (Div - capability) */
.den {
    padding: 8rem 5vw;
    background: linear-gradient(to bottom, var(--color-bg-morandi) 0%, var(--color-surface) 100%);
}

.den > .clan {
    max-width: var(--max-width);
    margin: 0 auto;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.den .howl {
    font-size: clamp(2rem, 3vw, 3rem);
    margin-bottom: 1.5rem;
}

.den > .clan > .fur {
    font-size: 1.125rem;
    max-width: 600px;
    margin-bottom: 4rem;
}

.streak-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    width: 100%;
}

.pelt {
    background: var(--color-surface);
    padding: 3rem 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-1);
    text-align: left;
    transition: var(--transition);
    border: 1px solid var(--color-border);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.pelt:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-3);
    border-color: rgba(219, 103, 177, 0.3);
}

.pelt .claw {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    margin-bottom: 2rem;
    background: var(--color-theme-light);
}
.pelt .claw svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-theme);
}

.pelt .howl-small {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

/* 探索生态 (Article - supplementary) */
.aura {
    padding: 6rem 5vw;
    background-color: var(--color-surface);
}

.aura .clan {
    max-width: var(--max-width);
    margin: 0 auto;
    flex-direction: column;
}

.aura .howl {
    font-size: 2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.ember {
    display: block;
    padding: 2.5rem;
    border-radius: var(--radius-md);
    background: var(--color-bg-morandi);
    border: 1px solid transparent;
}
.ember:hover, .ember:focus {
    background: var(--color-surface);
    border-color: var(--color-theme);
    box-shadow: var(--shadow-2);
    transform: translateY(-4px);
}

.ember .howl-small {
    font-size: 1.35rem;
    color: var(--color-text-main);
    margin-bottom: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.ember .howl-small::after {
    content: '→';
    color: var(--color-theme);
    opacity: 0;
    transform: translateX(-10px);
    transition: var(--transition);
}
.ember:hover .howl-small::after {
    opacity: 1;
    transform: translateX(0);
}

/* 获取行动区 (Section - acquire) */
.ring {
    padding: 6rem 5vw 10rem;
    background-color: var(--color-surface);
}

.coat-leap {
    max-width: 1000px;
    margin: 0 auto;
    background: linear-gradient(135deg, #fff0f7 0%, #fff 100%);
    border-radius: var(--radius-lg);
    padding: 5rem 3rem;
    text-align: center;
    box-shadow: var(--shadow-2);
    border: 1px solid rgba(219, 103, 177, 0.15);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.coat-leap .howl {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    margin-bottom: 1.5rem;
    color: var(--color-text-main);
}

.coat-leap .fur {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    max-width: 600px;
}

.paw {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 3rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: #ffffff;
    background-color: var(--color-theme);
    border-radius: var(--radius-pill);
    box-shadow: 0 10px 30px rgba(219, 103, 177, 0.3);
    transition: var(--transition);
}
.paw:hover, .paw:focus {
    background-color: var(--color-theme-dark);
    transform: scale(1.02) translateY(-2px);
    box-shadow: 0 15px 40px rgba(219, 103, 177, 0.4);
}

/* 页脚 */
.brush {
    background-color: #1a1520;
    color: #ffffff;
    padding: 4rem 5vw;
}

.tail {
    max-width: var(--max-width);
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 3rem;
}

.earth {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.streak-brush {
    gap: 2rem;
}

.streak-brush .path {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}
.streak-brush .path:hover {
    color: #ffffff;
}
.streak-brush .path::after {
    display: none;
}

/* 响应式断点 */
@media (max-width: 1024px) {
    .orbit .clan {
        flex-direction: column;
    }
    .orbit .coat-media {
        transform: none;
    }
    .orbit .coat-media:hover {
        transform: translateY(-5px);
    }
}

@media (max-width: 768px) {
    .pack {
        display: none; /* 移动端简化，实际项目中需配合JS实现汉堡菜单，此处按要求仅展示HTML基础结构 */
    }
    .blaze {
        padding-top: 100px;
    }
    .streak-grid {
        grid-template-columns: 1fr;
    }
    .tail {
        flex-direction: column;
        text-align: center;
        justify-content: center;
    }
    .streak-brush {
        justify-content: center;
    }
}

.snout-ears {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text-main);
}
.snout-ears,
.snout-ears *,
.snout-ears *::before,
.snout-ears *::after {
    box-sizing: border-box;
}

.snout-ears [role="navigation"],
.snout-ears div,
.snout-ears section,
.snout-ears article,
.snout-ears aside,
.snout-ears p,
.snout-ears h1,
.snout-ears h2,
.snout-ears h3,
.snout-ears h4,
.snout-ears h5,
.snout-ears h6,
.snout-ears a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.snout-ears p,
.snout-ears h1,
.snout-ears h2,
.snout-ears h3,
.snout-ears h4,
.snout-ears h5,
.snout-ears h6 {
    text-decoration: none;
}

.snout-ears img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.snout-ears {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.snout-ears a.snout-path {
    --aisite-shell-nav-padding: 0.5rem 0;
    --aisite-shell-nav-margin: 0;
    --aisite-shell-nav-line-height: normal;
    --aisite-shell-nav-display: inline;
    --aisite-shell-nav-height: auto;
    --aisite-shell-nav-min-height: auto;
}

.snout-ears a.snout-path,
.snout-ears a.snout-path:hover,
.snout-ears a.snout-path:focus,
.snout-ears a.snout-path:active,
.snout-ears a.snout-path.active,
.snout-ears a.snout-path[aria-current="page"] {
    background: transparent;
    border: none;
    border-bottom: none;
    box-shadow: none;
    outline: none;
    text-decoration: none;
    padding: var(--aisite-shell-nav-padding, 0);
    margin: var(--aisite-shell-nav-margin, 0);
    line-height: var(--aisite-shell-nav-line-height, normal);
    display: var(--aisite-shell-nav-display, inline);
    height: var(--aisite-shell-nav-height, auto);
    min-height: var(--aisite-shell-nav-min-height, auto);
}

.snout-ears{
    word-break: break-word;
    overflow-wrap: break-word;
}

.snout-ears, .snout-ears .snout-snout, .snout-ears .snout-pack{
    display: flex;
    flex-wrap: wrap;
}

.snout-ears > *, .snout-ears .snout-snout > *, .snout-ears .snout-pack > *{
    min-width: 0;
}

.snout-ears{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: 1rem 5vw;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.02);
}

.snout-ears .snout-crest{
    display: flex;
    align-items: center;
}

.snout-ears .snout-crest .snout-gaze{
    height: 36px;
    width: auto;
    display: block;
}

.snout-ears .snout-snout{
    justify-content: flex-end;
    align-items: center;
}

.snout-ears .snout-pack{
    gap: 2rem;
    align-items: center;
}

.snout-ears .snout-path{
    font-weight: 500;
    font-size: 0.95rem;
    color: #6b6473;
    position: relative;
    padding: 0.5rem 0;
}

.snout-ears .snout-path::after{
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #db67b1;
    transition: all 0.25s ease;
    border-radius: 2px;
}

.snout-ears .snout-path:hover, .snout-ears .snout-path:focus{
    color: #db67b1;
}

.snout-ears .snout-path:hover::after, .snout-ears .snout-path:focus::after{
    width: 100%;
}

.snout-ears .snout-path.active{
    color: #db67b1;
    font-weight: 600;
}

.snout-ears .snout-path.active::after{
    width: 100%;
}

@media (max-width: 768px){.snout-ears .snout-pack{
        display: none; 
    }}

.snout-ears {
    background: rgb(255, 255, 255);
    background-image: none;
}

.tail-brush {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--color-text-main);
}
.tail-brush,
.tail-brush *,
.tail-brush *::before,
.tail-brush *::after {
    box-sizing: border-box;
}

.tail-brush [role="navigation"],
.tail-brush div,
.tail-brush section,
.tail-brush article,
.tail-brush aside,
.tail-brush p,
.tail-brush h1,
.tail-brush h2,
.tail-brush h3,
.tail-brush h4,
.tail-brush h5,
.tail-brush h6,
.tail-brush a {
    margin: 0;
    padding: 0;
    font: inherit;
    color: inherit;
    letter-spacing: inherit;
    line-height: inherit;
}

.tail-brush p,
.tail-brush h1,
.tail-brush h2,
.tail-brush h3,
.tail-brush h4,
.tail-brush h5,
.tail-brush h6 {
    text-decoration: none;
}

.tail-brush img {
    display: block;
    max-width: 100%;
    height: auto;
    border: 0;
}

.tail-brush {
    box-shadow: none;
    filter: none;
    text-shadow: none;
    background-image: none;
    border-top: none;
    border-left: none;
    border-right: none;
    outline: none;
}

.tail-brush a,
.tail-brush a:hover,
.tail-brush a:focus,
.tail-brush a:active {
    background: transparent;
    box-shadow: none;
    outline: none;
    text-decoration: none;
}

.tail-brush .tail-streak-brush{
    display: flex;
    flex-wrap: wrap;
}

.tail-brush .tail-streak-brush > *{
    min-width: 0;
}

.tail-brush .tail-path{
    font-weight: 500;
    font-size: 0.95rem;
    color: #6b6473;
    position: relative;
    padding: 0.5rem 0;
}

.tail-brush .tail-path::after{
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #db67b1;
    transition: all 0.25s ease;
    border-radius: 2px;
}

.tail-brush .tail-path:hover, .tail-brush .tail-path:focus{
    color: #db67b1;
}

.tail-brush .tail-path:hover::after, .tail-brush .tail-path:focus::after{
    width: 100%;
}

.tail-brush .tail-path.active{
    color: #db67b1;
    font-weight: 600;
}

.tail-brush .tail-path.active::after{
    width: 100%;
}

.tail-brush{
    background-color: #1a1520;
    color: #ffffff;
    padding: 4rem 5vw;
}

.tail-brush .tail-tail{
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 3rem;
}

.tail-brush .tail-earth{
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
}

.tail-brush .tail-streak-brush{
    gap: 2rem;
}

.tail-brush .tail-streak-brush .tail-path{
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.tail-brush .tail-streak-brush .tail-path:hover{
    color: #ffffff;
}

.tail-brush .tail-streak-brush .tail-path::after{
    display: none;
}

@media (max-width: 768px){.tail-brush .tail-tail{
        flex-direction: column;
        text-align: center;
        justify-content: center;
    }

.tail-brush .tail-streak-brush{
        justify-content: center;
    }}