/* =====================================================
   青天的小屋 · 日系编辑风
   ===================================================== */

:root {
    --bg-cream: #f7f5f0;
    --bg-white: #ffffff;
    --text-primary: #2a2a2a;
    --text-body: #1a1a1a;
    --text-muted: #4a4540;
    --divider: #e8e4de;
    --accent: #a89880;
    --max-w: 1320px;
    --font-sans: "Noto Sans SC", -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
    --font-serif: "Noto Serif SC", "Georgia", serif;
    --transition: 0.45s cubic-bezier(0.25, 0.1, 0.25, 1);
}

/* =====================================================
   卡通加载动画
   ===================================================== */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: #f7f5f0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* 太阳 */
.preloader-sun {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 2rem;
}

.sun-face {
    position: absolute;
    top: 0; left: 0;
    width: 80px; height: 80px;
    background: #f5c542;
    border-radius: 50%;
    z-index: 2;
    box-shadow: 0 0 30px rgba(245,197,66,0.4);
    animation: sun-bounce 1.2s ease-in-out infinite;
}

.sun-eye {
    position: absolute;
    top: 28px;
    width: 8px; height: 10px;
    background: #5a4530;
    border-radius: 50%;
}
.eye-l { left: 22px; }
.eye-r { right: 22px; }

.sun-mouth {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px; height: 10px;
    border-bottom: 3px solid #5a4530;
    border-radius: 0 0 20px 20px;
}

/* 太阳光芒 */
.sun-ray {
    position: absolute;
    top: 50%; left: 50%;
    width: 12px; height: 6px;
    background: #f5c542;
    border-radius: 6px;
    transform-origin: 0 3px;
    animation: ray-spin 2s linear infinite;
}
.r1  { transform: rotate(0deg) translateX(48px);  animation-delay: 0s; }
.r2  { transform: rotate(45deg) translateX(48px); animation-delay: 0.25s; }
.r3  { transform: rotate(90deg) translateX(48px); animation-delay: 0.5s; }
.r4  { transform: rotate(135deg) translateX(48px); animation-delay: 0.75s; }
.r5  { transform: rotate(180deg) translateX(48px); animation-delay: 1s; }
.r6  { transform: rotate(225deg) translateX(48px); animation-delay: 1.25s; }
.r7  { transform: rotate(270deg) translateX(48px); animation-delay: 1.5s; }
.r8  { transform: rotate(315deg) translateX(48px); animation-delay: 1.75s; }

@keyframes ray-spin {
    0% { opacity: 1; }
    50% { opacity: 0.3; }
    100% { opacity: 1; }
}

@keyframes sun-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* 云朵 */
.preloader-cloud {
    position: absolute;
    background: #e0dcd5;
    border-radius: 50px;
}
.preloader-cloud::before,
.preloader-cloud::after {
    content: '';
    position: absolute;
    background: #e0dcd5;
    border-radius: 50%;
}
.c1 {
    top: 30%;
    left: 20%;
    width: 60px; height: 24px;
    animation: cloud-drift 8s ease-in-out infinite;
}
.c1::before {
    top: -12px; left: 10px;
    width: 30px; height: 30px;
}
.c1::after {
    top: -18px; left: 28px;
    width: 40px; height: 40px;
}
.c2 {
    bottom: 25%;
    right: 18%;
    width: 50px; height: 20px;
    animation: cloud-drift 10s ease-in-out infinite reverse;
}
.c2::before {
    top: -10px; left: 8px;
    width: 26px; height: 26px;
}
.c2::after {
    top: -14px; left: 22px;
    width: 34px; height: 34px;
}

@keyframes cloud-drift {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(30px); }
}

/* 加载文字 */
.preloader-text {
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 0.9rem;
    color: var(--text-muted);
    letter-spacing: 0.25em;
    margin-top: 1rem;
}

.dot {
    animation: dot-blink 1.2s steps(1, end) infinite;
}
.dot:nth-child(2) { animation-delay: 0.4s; }
.dot:nth-child(3) { animation-delay: 0.8s; }

@keyframes dot-blink {
    0%, 100% { opacity: 0; }
    50% { opacity: 1; }
}

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

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-cream);
    color: var(--text-primary);
    line-height: 1.9;
    overflow-x: hidden;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    display: block;
}

::selection {
    background: var(--accent);
    color: #fff;
}

/* =====================================================
   背景
   ===================================================== */
.page-bg {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    max-width: none;
    object-fit: cover;
    object-position: center;
    z-index: 0;
    image-rendering: auto;
}

.page-overlay {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100vh;
    background: linear-gradient(
        to bottom,
        rgba(0,0,0,0.30) 0%,
        rgba(0,0,0,0.15) 45%,
        rgba(247,245,240,1) 100%
    );
    pointer-events: none;
    z-index: 1;
}

/* =====================================================
   容器
   ===================================================== */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 3rem;
}

/* =====================================================
   导航栏
   ===================================================== */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 2rem 0;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(247,245,240,0.90);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    padding: 1.2rem 0;
    border-bottom: 1px solid var(--divider);
}

.nav-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 3rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-weight: 200;
    font-size: 1.05rem;
    letter-spacing: 0.35em;
    color: #fff;
    transition: var(--transition);
}

.navbar.scrolled .nav-logo {
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.8rem;
}

.nav-links a {
    font-weight: 400;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.65);
    transition: var(--transition);
    padding-bottom: 3px;
    border-bottom: 1px solid transparent;
}

.nav-links a:hover {
    color: #fff;
}

.navbar.scrolled .nav-links a {
    color: var(--text-muted);
}

.navbar.scrolled .nav-links a:hover {
    color: var(--text-primary);
    border-bottom-color: var(--accent);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.nav-toggle span {
    width: 22px;
    height: 1px;
    background: #fff;
    transition: var(--transition);
}

.navbar.scrolled .nav-toggle span {
    background: var(--text-primary);
}

.nav-toggle.active span:first-child {
    transform: rotate(45deg) translateY(4px);
}
.nav-toggle.active span:last-child {
    transform: rotate(-45deg) translateY(-4px);
}

/* =====================================================
   Hero
   ===================================================== */
.hero {
    position: relative;
    z-index: 2;
    height: 100vh;
    min-height: 620px;
    display: flex;
    align-items: flex-end;
    background: transparent;
}

.hero-content {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 3rem 9rem;
    width: 100%;
}

.hero-label {
    font-weight: 200;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    color: rgba(255,255,255,0.5);
    margin-bottom: 1.2rem;
}

.hero-title {
    font-weight: 200;
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    color: #fff;
    line-height: 1.25;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
}

.hero-name {
    font-weight: 400;
    letter-spacing: 0.3em;
}

.hero-desc {
    font-weight: 200;
    font-size: 0.95rem;
    color: rgba(255,255,255,0.55);
    letter-spacing: 0.18em;
}

/* =====================================================
   Section 通用
   ===================================================== */
section {
    position: relative;
    z-index: 2;
    background: transparent;
}

.section-num {
    display: block;
    font-weight: 200;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.2em;
    margin-bottom: 0.4rem;
}

.section-title {
    font-weight: 400;
    font-size: clamp(1.8rem, 3vw, 2.2rem);
    letter-spacing: 0.3em;
    color: var(--text-primary);
    margin-bottom: 3.5rem;
}

/* =====================================================
   Story
   ===================================================== */
.story {
    padding: 8rem 0 7rem;
}

.story-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
}

.story-image {
    display: flex;
    justify-content: center;
}

.circle-img {
    width: 260px;
    height: 260px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

.circle-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.circle-img.sm {
    width: 48px;
    height: 48px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.story-lead {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 1.15rem;
    color: var(--text-primary);
    line-height: 1.9;
    letter-spacing: 0.05em;
    margin-bottom: 1.2rem;
}

.dotted-divider {
    width: 2.5rem;
    border-top: 1px dotted var(--text-muted);
    margin-bottom: 1.5rem;
}

.story-body {
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--text-body);
    line-height: 2;
    letter-spacing: 0.03em;
}

/* =====================================================
   Features
   ===================================================== */
.features {
    padding: 6rem 0 8rem;
    border-top: 1px solid var(--divider);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4rem;
}

.feature-card {
    padding: 1.5rem 0;
    border-bottom: 1px dotted var(--divider);
}

.feature-icon {
    margin-bottom: 1.5rem;
}

.feature-title {
    font-weight: 300;
    font-size: 0.9rem;
    letter-spacing: 0.18em;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.feature-desc {
    font-weight: 300;
    font-size: 0.82rem;
    color: var(--text-body);
    line-height: 1.9;
    letter-spacing: 0.03em;
}

/* =====================================================
   Selection
   ===================================================== */
.selection {
    padding: 6rem 0 5rem;
    border-top: 1px solid var(--divider);
}

.selection-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.selection-item {
    cursor: pointer;
    transition: var(--transition);
}

.selection-item:hover {
    opacity: 0.75;
}

.selection-img {
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 1rem;
    aspect-ratio: 4 / 3;
    background: var(--divider);
}

.selection-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.selection-item:hover .selection-img img {
    transform: scale(1.04);
}

.selection-label {
    font-weight: 400;
    font-size: 0.82rem;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    text-align: center;
}

/* 分页器 */
.pagination {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 3rem;
}

.page-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--divider);
    transition: var(--transition);
    cursor: pointer;
}

.page-dot.active {
    background: var(--accent);
    width: 18px;
    border-radius: 3px;
}

.page-dot:hover {
    background: var(--text-muted);
}

/* =====================================================
   Portfolio - 作品集
   ===================================================== */
.portfolio {
    padding: 6rem 0 5rem;
    border-top: 1px solid var(--divider);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.portfolio-item--empty {
    aspect-ratio: 4 / 3;
    border: 1px dashed var(--divider);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    background: rgba(255,255,255,0.3);
}

.portfolio-item--empty:hover {
    border-color: var(--accent);
    background: rgba(255,255,255,0.5);
}

.portfolio-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-placeholder-icon {
    font-family: var(--font-serif);
    font-weight: 200;
    font-size: 2rem;
    color: var(--divider);
    transition: var(--transition);
}

.portfolio-item--empty:hover .portfolio-placeholder-icon {
    color: var(--accent);
}

.portfolio-message {
    text-align: center;
    font-family: var(--font-serif);
    font-weight: 300;
    font-size: 0.88rem;
    color: var(--text-muted);
    letter-spacing: 0.12em;
    margin-top: 2.5rem;
}

/* =====================================================
   Gallery - 横向滚动
   ===================================================== */
.gallery {
    padding: 6rem 0 8rem;
    border-top: 1px solid var(--divider);
}

.gallery-scroll {
    width: 100%;
    overflow: hidden;
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.06);
}

.gallery-scroll-track {
    display: flex;
    gap: 0;
    width: fit-content;
    animation: scrollGallery 30s linear infinite;
}

.gallery-scroll-item {
    flex-shrink: 0;
    width: 280px;
    height: 190px;
    overflow: hidden;
}

.gallery-scroll-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

@keyframes scrollGallery {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.gallery-scroll-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.6rem;
    margin-top: 1rem;
}

.gallery-scroll-controls .carousel-btn {
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent);
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 4px;
    padding: 0.35rem 0.9rem;
    letter-spacing: 0.08em;
}

.gallery-scroll-controls .carousel-btn:hover {
    background: var(--accent);
    color: #fff;
}

/* 相册管理 */
.gallery-manage-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1rem;
    max-height: 300px;
    overflow-y: auto;
}

.gallery-manage-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.5rem;
    border: 1px solid var(--divider);
    border-radius: 4px;
    background: var(--bg-white);
}

.gallery-manage-item img {
    width: 48px;
    height: 36px;
    object-fit: cover;
    border-radius: 3px;
    flex-shrink: 0;
}

.gallery-manage-item .gmi-label {
    flex: 1;
    font-weight: 300;
    font-size: 0.82rem;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.gallery-manage-item .gmi-del {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.2rem 0.4rem;
    transition: var(--transition);
    flex-shrink: 0;
}

.gallery-manage-item .gmi-del:hover {
    color: #c0392b;
}

.gallery-add-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.gallery-hint {
    font-weight: 300;
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* =====================================================
   Blog
   ===================================================== */
.blog {
    padding: 6rem 0 8rem;
    border-top: 1px solid var(--divider);
}

.blog-list {
    max-width: 700px;
}

.blog-entry {
    padding: 2rem 0;
    border-bottom: 1px dotted var(--divider);
    display: flex;
    gap: 2.5rem;
    transition: var(--transition);
}

.blog-entry:first-child {
    padding-top: 0;
}

.blog-entry:hover {
    padding-left: 1rem;
}

.blog-date {
    font-weight: 400;
    font-size: 0.78rem;
    color: var(--text-muted);
    letter-spacing: 0.08em;
    white-space: nowrap;
    min-width: 7rem;
    padding-top: 0.15rem;
}

.blog-content {
    flex: 1;
}

.blog-title {
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.12em;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    transition: var(--transition);
}

.blog-entry:hover .blog-title {
    color: var(--accent);
}

.blog-excerpt {
    font-weight: 400;
    font-size: 0.85rem;
    color: var(--text-body);
    line-height: 1.9;
    letter-spacing: 0.03em;
}

/* 博客编辑 */
.blog-add-btn {
    display: block;
    margin: 2.5rem auto 0;
    padding: 0.7rem 2rem;
    border: 1px solid var(--accent);
    background: transparent;
    color: var(--accent);
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 0.85rem;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 4px;
}

.blog-add-btn:hover {
    background: var(--accent);
    color: #fff;
}

.blog-entry {
    position: relative;
}

.blog-del-btn {
    position: absolute;
    top: 1.5rem;
    right: 0;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
    padding: 0.2rem 0.4rem;
    line-height: 1;
}

.blog-entry:hover .blog-del-btn {
    opacity: 0.5;
}

.blog-del-btn:hover {
    opacity: 1 !important;
    color: #c0392b;
}

.blog-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 300;
    align-items: center;
    justify-content: center;
}

.blog-modal.active {
    display: flex;
}

.blog-modal-content {
    background: var(--bg-cream);
    padding: 2.5rem;
    border-radius: 6px;
    width: 90%;
    max-width: 500px;
    position: relative;
}

.blog-modal-close {
    position: absolute;
    top: 1rem;
    right: 1.2rem;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.blog-modal-close:hover {
    color: var(--text-primary);
}

.blog-modal-title {
    font-weight: 300;
    font-size: 1.1rem;
    letter-spacing: 0.15em;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.blog-input,
.blog-textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--divider);
    background: var(--bg-white);
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 0.9rem;
    color: var(--text-primary);
    outline: none;
    transition: var(--transition);
    border-radius: 4px;
}

.blog-textarea {
    resize: vertical;
    min-height: 100px;
}

.blog-input:focus,
.blog-textarea:focus {
    border-color: var(--accent);
}

.blog-save-btn {
    width: 100%;
    padding: 0.8rem;
    border: none;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-sans);
    font-weight: 300;
    font-size: 0.9rem;
    letter-spacing: 0.12em;
    cursor: pointer;
    transition: var(--transition);
    border-radius: 4px;
}

.blog-save-btn:hover {
    opacity: 0.85;
}

/* =====================================================
   Contact
   ===================================================== */
.contact {
    padding: 8rem 0;
    border-top: 1px solid var(--divider);
    text-align: center;
}

.contact-text {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: 1rem;
    color: var(--text-primary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.contact-email {
    display: inline-block;
    font-weight: 400;
    font-size: 1.2rem;
    letter-spacing: 0.12em;
    color: var(--text-primary);
    border-bottom: 1px solid var(--accent);
    padding-bottom: 0.2rem;
    transition: var(--transition);
    margin-bottom: 2.5rem;
}

.contact-email:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
}

.social-link {
    font-weight: 400;
    font-size: 0.72rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
    transition: var(--transition);
    text-transform: uppercase;
    border-bottom: 1px solid transparent;
    padding-bottom: 2px;
}

.social-link:hover {
    color: var(--accent);
    border-bottom-color: var(--accent);
}

/* =====================================================
   Footer
   ===================================================== */
.footer {
    z-index: 2;
    position: relative;
    padding: 2.5rem 0;
    background: transparent;
    border-top: 1px solid var(--divider);
}

.footer .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-weight: 200;
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    color: var(--text-muted);
}

.footer-text {
    font-weight: 300;
    font-size: 0.72rem;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}

/* =====================================================
   移动端响应
   ===================================================== */
@media (max-width: 1024px) {
    .story-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .dotted-divider {
        margin-left: auto;
        margin-right: auto;
    }

    .selection-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blog-entry {
        flex-direction: column;
        gap: 0.5rem;
    }

    .blog-date {
        min-width: auto;
    }
}

@media (max-width: 768px) {
    .container,
    .nav-inner,
    .hero-content {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: var(--bg-cream);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2.5rem;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        color: var(--text-primary) !important;
        font-size: 1rem;
    }

    .nav-toggle {
        display: flex;
    }

    .hero-content {
        padding-bottom: 5rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .selection-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .blog-entry {
        flex-direction: column;
        gap: 0.3rem;
    }

    .blog-date {
        min-width: auto;
    }

    .contact-email {
        font-size: 1rem;
    }

    .footer .container {
        flex-direction: column;
        gap: 0.8rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container,
    .nav-inner,
    .hero-content {
        padding-left: 1.2rem;
        padding-right: 1.2rem;
    }

    .selection-grid {
        grid-template-columns: 1fr;
        max-width: 320px;
        margin: 0 auto;
    }

    .circle-img {
        width: 200px;
        height: 200px;
    }
}

/* =====================================================
   文字在背景上的可读性
   ===================================================== */
.section-title,
.story-lead,
.story-body,
.selection-label,
.blog-title,
.blog-excerpt,
.blog-date,
.contact-text,
.contact-email,
.section-num,
.footer-logo,
.footer-text,
.social-link,
.portfolio-message,
.blog-add-btn {
    text-shadow: 0 0 12px rgba(255,255,255,1), 0 0 4px rgba(255,255,255,0.9), 1px 1px 2px rgba(0,0,0,0.1);
}

/* =====================================================
   滚动条
   ===================================================== */
::-webkit-scrollbar {
    width: 5px;
}
::-webkit-scrollbar-track {
    background: var(--bg-cream);
}
::-webkit-scrollbar-thumb {
    background: var(--divider);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* =====================================================
   滚动动画
   ===================================================== */
.selection-item,
.section-title,
.story-lead,
.story-body,
.story-image,
.contact-text,
.contact-email,
.section-num,
.gallery-scroll-controls,
.blog-entry,
.blog-title,
.blog-excerpt,
.blog-date,
.portfolio-item--empty,
.portfolio-message {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.selection-item.visible,
.section-title.visible,
.story-lead.visible,
.story-body.visible,
.story-image.visible,
.contact-text.visible,
.contact-email.visible,
.section-num.visible,
.gallery-scroll-controls.visible,
.blog-entry.visible,
.blog-title.visible,
.blog-excerpt.visible,
.blog-date.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.portfolio-item--empty.visible,
.portfolio-message.visible {
    opacity: 1 !important;
    transform: translateY(0) !important;
}